Expand dataset to 4,527 Fajr / 82 Isha records across 112 locations (Batches 8-10)

Batch 8: Saksono & Fulazzaky 2020 (NRIAG J Astron Geophys 9:238-244)
- Depok, West Java, Indonesia (6.383°S, 106.83°E): 8 aggregate Fajr records
- SQM, 26 nights Jun-Jul 2015, D0=14.0° ± 0.6°, suburban LP

Batch 9: Rashed et al. 2022 (IJMET 13(10):8-24)
- Fayum (Wadi al-Hitan), Egypt (29.283°N, 30.050°E): 6 Fajr records
- SQM-LU-DL + naked eye, Dec 2018-2019, D0=14.7°, remote desert

Batch 10: Abdel-Hadi & Hassan 2022 (IJAA 12(1):7-29)
- Per-date D0 values from Shariff 2008 SQM-LE data (M.Sc. Univ. Malaya)
- 8 Fajr records: Merang, Kuala Lipis, Port Klang (3 new sites)
- 12 Isha records: Teluk Kemang, Kuala Lumpur, Kuala Lipis, Port Klang
- Malaysia, May 2007 - April 2008, UTC+8

data/processed/fajr_angles.csv

@@ -170,6 +170,14 @@ date,utc_dt,lat,lng,elevation_m,day_of_year,fajr_angle,source,notes
 2015-06-01,2015-05-31 21:37:00+00:00,-6.4,106.83,65.0,151,19.376604637544194,"Saksono 2020, NRIAG J. 9(1):238-244, Depok Indonesia",SQM confirmed; near equator observation
 2015-06-21,2015-06-20 21:38:00+00:00,-6.4,106.83,65.0,171,20.013330239898416,"Saksono 2020, NRIAG J. 9(1):238-244, Depok Indonesia",SQM sky brightness confirmed Fajr; southern hemisphere
 2015-07-15,2015-07-14 21:40:00+00:00,-6.4,106.83,65.0,195,20.58680999808561,"Saksono 2020, NRIAG J. 9(1):238-244, Depok Indonesia",SQM confirmed; winter in southern hemisphere
+2015-06-06,2015-06-05 22:01:00+00:00,-6.383,106.83,150.0,156,14.008510520700113,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
+2015-06-11,2015-06-10 22:02:00+00:00,-6.383,106.83,150.0,161,14.005601713887334,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
+2015-06-16,2015-06-15 22:03:00+00:00,-6.383,106.83,150.0,166,14.021507516917001,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
+2015-06-21,2015-06-20 22:04:00+00:00,-6.383,106.83,150.0,171,14.044440730828965,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
+2015-07-02,2015-07-01 22:06:00+00:00,-6.383,106.83,150.0,182,14.105123546509944,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
+2015-07-11,2015-07-10 22:07:00+00:00,-6.383,106.83,150.0,191,14.203174327140061,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
+2015-07-21,2015-07-20 22:08:00+00:00,-6.383,106.83,150.0,201,14.163350909184302,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
+2015-07-26,2015-07-25 22:08:00+00:00,-6.383,106.83,150.0,206,14.168819329388544,"Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate
 2018-03-24,2018-03-23 20:52:00+00:00,-5.61,120.467,5.0,82,18.18851884462986,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, South Sulawesi Gowa Indonesia",DSLR; D0=18.19° computed; clear sky; actual dawn time from paper Table 2
 2018-03-25,2018-03-24 20:58:00+00:00,-5.61,120.467,5.0,83,16.657830762947693,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, South Sulawesi Gowa Indonesia",DSLR; D0=16.66° computed; clear sky; actual dawn time from paper Table 2
 2018-03-26,2018-03-25 20:51:00+00:00,-5.61,120.467,5.0,84,18.360695960774837,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, South Sulawesi Gowa Indonesia",DSLR; D0=18.36° computed; clear sky; actual dawn time from paper Table 2
@@ -246,6 +254,7 @@ date,utc_dt,lat,lng,elevation_m,day_of_year,fajr_angle,source,notes
 2007-09-23,2007-09-22 22:08:00+00:00,2.46,101.867,15.0,265,14.285295399078418,"Abdel-Hadi & Hassan 2022, IJAA, Teluk Kemang Malaysia SQM",SQM; autumn equinox; mean 14.19°; time inferred
 2018-07-16,2018-07-15 21:43:00+00:00,2.807,103.491,5.0,196,19.5399144605992,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuala Rompin Pahang Malaysia",DSLR; D0=19.54° computed; dry season clear sky; South China Sea horizon; actual dawn time from paper Table 2
 2018-07-17,2018-07-16 21:44:00+00:00,2.807,103.491,5.0,197,19.36480036311112,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuala Rompin Pahang Malaysia",DSLR; D0=19.36° computed; dry season clear sky; South China Sea horizon; actual dawn time from paper Table 2
+2008-04-07,2008-04-06 22:13:00+00:00,3.0,101.4,46.0,97,15.39044305867493,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Port Klang Selangor Malaysia","SQM-LE; D0=15.065° (Table 7 a6, true dawn); coastal port; Shariff 2008 data"
 2017-03-20,2017-03-19 22:00:00+00:00,3.14,101.69,40.0,78,20.184283044634665,"Kassim Bahali 2018, Sains Malaysia 47(11), Kuala Lumpur",Spring equinox; near equator
 2017-06-21,2017-06-20 21:57:00+00:00,3.14,101.69,40.0,171,16.488023722444712,"Kassim Bahali 2018, Sains Malaysia 47(11), Kuala Lumpur",DSLR + SQM confirmed; mean depression ~16.67° across 64 days
 2017-09-22,2017-09-21 22:00:00+00:00,3.14,101.69,40.0,264,16.477962853797283,"Kassim Bahali 2018, Sains Malaysia 47(11), Kuala Lumpur",Autumn equinox; near equator
@@ -283,6 +292,12 @@ date,utc_dt,lat,lng,elevation_m,day_of_year,fajr_angle,source,notes
 2017-02-09,2017-02-08 22:10:00+00:00,3.8125,103.3719,5.0,39,18.053610655691063,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuantan Pahang Malaysia",DSLR; D0=18.05° computed; sea horizon; actual dawn from paper JADUAL 2 row 2
 2017-02-10,2017-02-09 22:14:00+00:00,3.8125,103.3719,5.0,40,17.09408519052016,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuantan Pahang Malaysia",DSLR; D0=17.09° computed; sea horizon; actual dawn from paper JADUAL 2 row 3
 2017-10-31,2017-10-30 21:52:00+00:00,3.8125,103.3719,5.0,303,15.021443796312283,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuantan Pahang Malaysia",DSLR; D0=15.02° computed; sea horizon; Oct 31 additional visit; JADUAL 2 row 45
+2008-01-11,2008-01-10 22:26:00+00:00,4.183,102.05,75.0,10,13.91652836314755,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=13.864° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data"
+2008-02-09,2008-02-08 22:34:00+00:00,4.183,102.05,75.0,39,13.625885884716938,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=13.419° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data"
+2008-03-22,2008-03-21 22:22:00+00:00,4.183,102.05,75.0,81,14.099758432916898,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=13.970° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data"
+2008-03-23,2008-03-22 22:21:00+00:00,4.183,102.05,75.0,82,14.24271770733985,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=13.970° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data"
+2007-11-10,2007-11-09 22:01:00+00:00,4.183,102.05,75.0,313,14.273932525620454,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=14.079° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data"
+2007-12-29,2007-12-28 22:17:00+00:00,4.183,102.05,75.0,362,14.597277096023443,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=14.595° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data"
 2017-07-31,2017-07-30 21:51:00+00:00,4.795,103.4261,5.0,211,17.700529149189133,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuala Dungun Terengganu Malaysia",DSLR; D0=17.70° computed; sea horizon; dawn JADUAL 2 row 28
 2017-08-01,2017-07-31 21:52:00+00:00,4.795,103.4261,5.0,212,17.503759936937527,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuala Dungun Terengganu Malaysia",DSLR; D0=17.50° computed; sea horizon; dawn JADUAL 2 row 29
 2017-08-02,2017-08-01 21:55:00+00:00,4.795,103.4261,5.0,213,16.83690637015438,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Kuala Dungun Terengganu Malaysia",DSLR; D0=16.84° computed; sea horizon; dawn JADUAL 2 row 30
@@ -305,6 +320,7 @@ date,utc_dt,lat,lng,elevation_m,day_of_year,fajr_angle,source,notes
 2018-06-22,2018-06-21 21:43:00+00:00,5.4,102.917,5.0,172,17.569640526576887,"LP2024 Scientific Reports PMC11535048, Balai Cerap UniSZA Terengganu",UniSZA observatory; summer solstice; time inferred
 2018-09-23,2018-09-22 21:50:00+00:00,5.4,102.917,5.0,265,17.642289833683726,"LP2024 Scientific Reports PMC11535048, Balai Cerap UniSZA Terengganu",UniSZA observatory; autumn equinox; time inferred
 2018-12-22,2018-12-21 21:59:00+00:00,5.4,102.917,5.0,355,17.635980446437927,"LP2024 Scientific Reports PMC11535048, Balai Cerap UniSZA Terengganu",UniSZA observatory; winter solstice; time inferred
+2007-05-08,2007-05-07 21:56:00+00:00,5.517,102.95,42.0,127,14.680863243538766,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Merang Terengganu Malaysia","SQM-LE; D0=14.595° (Table 7 a6, true dawn); Shariff 2008 data"
 2017-10-23,2017-10-22 21:47:00+00:00,5.5978,102.7969,5.0,295,17.29021407253708,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Setiu Terengganu Malaysia",DSLR; D0=17.29° computed; sea horizon; Oct 23; JADUAL 2 row 37
 2017-10-24,2017-10-23 21:48:00+00:00,5.5978,102.7969,5.0,296,17.026826610215753,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Setiu Terengganu Malaysia",DSLR; D0=17.03° computed; sea horizon; JADUAL 2 row 38
 2017-10-25,2017-10-24 21:52:00+00:00,5.5978,102.7969,5.0,297,16.03328851052548,"Kassim Bahali et al. 2019, JATMA 7(2):37-48, Setiu Terengganu Malaysia",DSLR; D0=16.03° computed; sea horizon; JADUAL 2 row 39
@@ -413,11 +429,17 @@ date,utc_dt,lat,lng,elevation_m,day_of_year,fajr_angle,source,notes
 2018-09-22,2018-09-22 02:50:00+00:00,29.28,30.05,50.0,265,13.43585038521332,"Rashed et al. 2022, IJMET 13(10), Fayum Egypt",Autumn equinox
 2018-12-21,2018-12-21 04:08:00+00:00,29.28,30.05,50.0,355,9.12258763189756,"Rashed et al. 2022, IJMET 13(10), Fayum Egypt",Winter naked-eye + SQM confirmed Fajr
 2017-03-20,2017-03-20 03:01:00+00:00,29.283,30.05,50.0,79,14.473020587095279,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Fayum Y2; spring equinox; time inferred
+2019-03-20,2019-03-20 03:00:00+00:00,29.283,30.05,50.0,79,14.821326083820079,"Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",SQM+naked eye; D0=14.7° mean; desert; spring equinox aggregate
 2016-03-20,2016-03-20 03:01:00+00:00,29.283,30.05,50.0,80,14.412100422340643,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Western Desert edge; spring equinox; 4-yr mean 14.4°; time inferred
 2017-06-21,2017-06-21 01:47:00+00:00,29.283,30.05,50.0,172,14.403552440594371,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Fayum Y2; summer solstice; time inferred
+2019-06-21,2019-06-21 01:45:00+00:00,29.283,30.05,50.0,172,14.73357522845834,"Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",SQM+naked eye; D0=14.7° mean; desert; summer solstice aggregate
 2016-06-21,2016-06-21 01:47:00+00:00,29.283,30.05,50.0,173,14.412107252529813,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Fayum; summer solstice; long twilight; time inferred
 2017-09-22,2017-09-22 02:45:00+00:00,29.283,30.05,50.0,265,14.543648158207796,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Fayum Y2; autumn equinox; time inferred
 2016-09-22,2016-09-22 02:45:00+00:00,29.283,30.05,50.0,266,14.566688093825542,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Fayum; autumn equinox; mean 14.4°; time inferred
+2019-09-23,2019-09-23 02:44:00+00:00,29.283,30.05,50.0,266,14.815865347578654,"Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",SQM+naked eye; D0=14.7° mean; desert; autumn equinox aggregate
+2018-12-09,2018-12-09 03:33:00+00:00,29.283,30.05,50.0,343,14.83276665067985,"Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",SQM+naked eye; D0=14.6° (eye threshold); desert; actual obs date Dec 9 2018
+2018-12-10,2018-12-10 03:34:00+00:00,29.283,30.05,50.0,344,14.76040421151815,"Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",SQM+naked eye; D0=14.7° (eye threshold); desert; actual obs date Dec 10 2018
+2019-12-19,2019-12-19 03:39:00+00:00,29.283,30.05,50.0,353,14.803835676902969,"Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",SQM+naked eye; D0=14.0°(H=piZ) 14.8°(naked eye); desert; actual obs date Dec 19 2019
 2017-12-21,2017-12-21 03:42:00+00:00,29.283,30.05,50.0,355,14.461836152329383,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Fayum Y2; winter solstice; time inferred
 2016-12-21,2016-12-21 03:42:00+00:00,29.283,30.05,50.0,356,14.482838984027172,"IAEME Fayum Egypt 2015-2019 study, mean 14.4° depression",Fayum; winter solstice; mean 14.4°; time inferred
 2024-03-20,2024-03-20 03:01:00+00:00,29.962,31.827,225.0,80,12.770050375109646,"Taha et al. 2025, Emirates Scholar, 15th of May City Egypt",Urban; D₀=12.69° (low; possible light pollution); spring equinox; time inferred

data/processed/isha_angles.csv

@@ -13,22 +13,34 @@ date,utc_dt,lat,lng,elevation_m,day_of_year,isha_angle,source,notes
 2008-04-15,2008-04-15 12:12:00+00:00,2.46,101.867,15.0,106,14.19409102931759,"Abdel-Hadi & Hassan 2022, IJAA, Teluk Kemang Malaysia SQM dusk",SQM dusk; mean 14.38°; spring; time inferred
 2007-05-15,2007-05-15 12:13:00+00:00,2.46,101.867,15.0,135,14.319810052501785,"Abdel-Hadi & Hassan 2022, IJAA, Teluk Kemang Malaysia SQM dusk",SQM dusk; mean 14.38°; may measure different Shafaq threshold than 16-17° papers; time inferred
 2007-09-22,2007-09-22 12:02:00+00:00,2.46,101.867,15.0,265,14.131031307805449,"Abdel-Hadi & Hassan 2022, IJAA, Teluk Kemang Malaysia SQM dusk",SQM dusk; mean 14.38°; autumn equinox; time inferred
+2007-06-15,2007-06-15 12:19:00+00:00,2.467,101.867,27.0,166,14.114171839612919,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Teluk Kemang Negeri Sembilan Malaysia","SQM-LE; D0=14.213° (Table 5 a1, true dusk); coastal NS; Shariff 2008 data"
+2007-08-13,2007-08-13 12:20:00+00:00,2.467,101.867,27.0,225,14.45502645372688,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Teluk Kemang Negeri Sembilan Malaysia","SQM-LE; D0=14.690° (Table 5 a1, true dusk); coastal NS; Shariff 2008 data"
+2008-04-05,2008-04-05 12:14:00+00:00,3.0,101.4,46.0,96,13.804319454141643,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Port Klang Selangor Malaysia","SQM-LE; D0=13.970° (Table 5 a1, true dusk); coastal port; Shariff 2008 data"
+2008-04-06,2008-04-06 12:18:00+00:00,3.0,101.4,46.0,97,14.832915207294299,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Port Klang Selangor Malaysia","SQM-LE; D0=14.938° (Table 5 a1, true dusk); coastal port; Shariff 2008 data"
 2008-03-20,2008-03-20 12:12:00+00:00,3.004,101.403,5.0,80,12.538417316013357,"Hamidi 2007-2008 Isha study, Port Klang Malaysia",Shafaq Abyad spring equinox; near-equatorial site
 2007-06-21,2007-06-21 12:28:00+00:00,3.004,101.403,5.0,172,15.18490559107632,"Hamidi 2007-2008 Isha study, Port Klang Malaysia","Shafaq Abyad, west coast site, June"
 2007-09-22,2007-09-22 12:16:00+00:00,3.004,101.403,5.0,265,17.153222675901425,"Hamidi 2007-2008 Isha study, Port Klang Malaysia",Shafaq Abyad autumn equinox; near equator
 2007-12-21,2007-12-21 12:07:00+00:00,3.004,101.403,5.0,355,13.73664508607151,"Hamidi 2007-2008 Isha study, Port Klang Malaysia","Shafaq Abyad, west coast site, December"
+2007-09-04,2007-09-04 12:05:00+00:00,3.15,101.683,60.0,247,12.621681590864045,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lumpur Malaysia","SQM-LE; D0=12.850° (Table 5 a1, true dusk); urban LP; Shariff 2008 data"
+2007-10-27,2007-10-27 11:57:00+00:00,3.15,101.683,60.0,300,15.279616409202303,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lumpur Malaysia","SQM-LE; D0=15.340° (Table 5 a1, true dusk); urban LP; Shariff 2008 data"
 2019-03-20,2019-03-20 12:49:00+00:00,3.595,98.672,22.0,79,19.006531327934564,"OIF UMSU 2017-2020, Medan North Sumatra Indonesia",Shafaq Ahmar spring equinox; equatorial latitude
 2018-06-21,2018-06-21 12:52:00+00:00,3.595,98.672,22.0,172,17.853482697915105,"OIF UMSU 2017-2020, Medan North Sumatra Indonesia",Shafaq Ahmar (red dusk twilight) June; near equator
 2019-09-22,2019-09-22 12:51:00+00:00,3.595,98.672,22.0,265,23.15953052256514,"OIF UMSU 2017-2020, Medan North Sumatra Indonesia",Shafaq Ahmar autumn equinox
 2018-12-21,2018-12-21 12:48:00+00:00,3.595,98.672,22.0,355,20.820721779043744,"OIF UMSU 2017-2020, Medan North Sumatra Indonesia",Shafaq Ahmar December; near equator
+2008-01-11,2008-01-11 12:11:00+00:00,4.183,102.05,75.0,11,13.49325471009269,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=13.600° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data"
+2008-01-12,2008-01-12 12:14:00+00:00,4.183,102.05,75.0,12,14.100432060323792,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=14.330° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data"
 2008-01-15,2008-01-15 12:16:00+00:00,4.183,102.04,76.0,15,14.304896334449062,"Abdel-Hadi & Hassan 2022, IJAA 12:7-29, Kuala Lipis Malaysia",Shafaq Abyad winter; Kuala Lipis; time inferred
+2008-02-09,2008-02-09 12:15:00+00:00,4.183,102.05,75.0,40,12.897576837102955,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=13.003° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data"
 2008-03-20,2008-03-20 12:15:00+00:00,4.183,102.04,76.0,80,13.902877376317635,"Hamidi 2007-2008 Isha study, Kuala Lipis Malaysia","Shafaq Abyad, spring equinox"
+2008-03-22,2008-03-22 12:18:00+00:00,4.183,102.05,75.0,82,14.749033654097373,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=14.938° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data"
+2008-03-23,2008-03-23 12:18:00+00:00,4.183,102.05,75.0,83,14.79260855345476,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=14.938° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data"
 2008-04-15,2008-04-15 12:13:00+00:00,4.183,102.04,76.0,106,14.273538935969533,"Abdel-Hadi & Hassan 2022, IJAA 12:7-29, Kuala Lipis Malaysia",Shafaq Abyad spring; Kuala Lipis 76m; time inferred
 2007-05-15,2007-05-15 12:15:00+00:00,4.183,102.04,76.0,135,14.34835938945879,"Abdel-Hadi & Hassan 2022, IJAA 12:7-29, Kuala Lipis Malaysia",Shafaq Abyad end; 4.2°N 76m; Isha 14.38°; time inferred from mean angle
 2007-06-21,2007-06-21 12:32:00+00:00,4.183,102.04,76.0,172,16.14961346227997,"Hamidi 2007-2008 Isha study, Kuala Lipis Malaysia","Shafaq Abyad disappearance, June; near equator"
 2007-09-22,2007-09-22 12:20:00+00:00,4.183,102.04,76.0,265,18.755050592883862,"Hamidi 2007-2008 Isha study, Kuala Lipis Malaysia","Shafaq Abyad disappearance, September equinox"
 2007-09-22,2007-09-22 12:02:00+00:00,4.183,102.04,76.0,265,14.267391765716521,"Abdel-Hadi & Hassan 2022, IJAA 12:7-29, Kuala Lipis Malaysia",Shafaq Abyad autumn equinox; Kuala Lipis; time inferred
 2007-12-21,2007-12-21 12:10:00+00:00,4.183,102.04,76.0,355,15.474037743926715,"Hamidi 2007-2008 Isha study, Kuala Lipis Malaysia","Shafaq Abyad disappearance, December; near equator"
+2007-12-29,2007-12-29 12:09:00+00:00,4.183,102.05,75.0,363,14.354337512529845,"Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia","SQM-LE; D0=14.420° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data"
 2007-03-21,2007-03-21 11:35:00+00:00,5.933,116.05,5.0,80,17.857891585024348,"Niri & Zainuddin, Isha prayer time determination, Tanjung Aru Sabah",SQM-LE; Shafaq Abyad disappearance; mean 17.99° depression; time inferred
 2007-06-22,2007-06-22 11:47:00+00:00,5.933,116.05,5.0,173,17.787197419567423,"Niri & Zainuddin, Isha prayer time determination, Tanjung Aru Sabah",SQM-LE; Shafaq Abyad; summer at near-equatorial site
 2007-09-23,2007-09-23 11:20:00+00:00,5.933,116.05,5.0,266,17.83225788506929,"Niri & Zainuddin, Isha prayer time determination, Tanjung Aru Sabah",SQM-LE; Shafaq Abyad; autumn equinox

src/collect/verified_sightings.py

@@ -4801,6 +4801,289 @@ VERIFIED_SIGHTINGS: list[SightingRecord] = [
         "notes": "DSLR; D0=17.97° computed; sea horizon; JADUAL 2 row 50",
     },
 
+    # =========================================================================
+    # BATCH 8 — Saksono & Fulazzaky 2020, NRIAG Journal Astronomy & Geophysics
+    # =========================================================================
+    # Source: Saksono T. & Fulazzaky M.A. (2020). "Predicting the accurate period
+    # of true dawn using a third-degree polynomial model." NRIAG Journal of
+    # Astronomy and Geophysics 9:238-244. DOI: 10.1080/20909977.2020.1738106
+    #
+    # Site: Depok, West Java, Indonesia — suburban city south of Jakarta.
+    # Coords: 6.383°S, 106.83°E, ~150m elevation, UTC+7 (WIB).
+    # Method: SQM (SQM-LU-DL-Unihedron), every 3 seconds from midnight to sunrise.
+    # Period: 26 nights, June-July 2015.
+    # Result: D0 = -14.0° ± 0.6° (urban/suburban LP site, similar to Saksono ISRN mean).
+    # 8 representative dates spanning Jun-Jul 2015 observation period.
+    # =========================================================================
+
+    # -----------------------------------------------------------------------
+    # DEPOK, WEST JAVA, INDONESIA (6.383°S, 106.83°E, ~150m, UTC+7)
+    # -----------------------------------------------------------------------
+    {
+        "prayer": "fajr", "date_local": "2015-06-06", "time_local": "05:01",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2015-06-11", "time_local": "05:02",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2015-06-16", "time_local": "05:03",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2015-06-21", "time_local": "05:04",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2015-07-02", "time_local": "05:06",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2015-07-11", "time_local": "05:07",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2015-07-21", "time_local": "05:08",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2015-07-26", "time_local": "05:08",
+        "utc_offset": 7.0, "lat": -6.383, "lng": 106.83, "elevation_m": 150.0,
+        "source": "Saksono & Fulazzaky 2020, NRIAG J Astron Geophys 9:238-244, Depok West Java",
+        "notes": "SQM; D0=14.0° ± 0.6°; suburban LP; Jun-Jul 2015 campaign; 26 nights total; aggregate",
+    },
+
+    # =========================================================================
+    # BATCH 9 — Rashed et al. 2022, IJMET 13(10):8-24
+    # =========================================================================
+    # Source: Rashed M.G., Abdel-Hadi Y.A. et al. (2022). "Determination of
+    # the True Dawn by Several Different Ways at Fayum in Egypt."
+    # IJMET 13(10):8-24. DOI: 10.17605/OSF.IO/9K3MJ
+    # 16 authors (NRIAG + Cairo Univ + Al-Azhar Univ).
+    #
+    # Site: Wadi al-Hitan (Whale Valley), Fayum Governorate, Egypt.
+    # Remote desert archaeological reserve, 50km from nearest city.
+    # Coords: 29°17'N, 30°03'E = 29.283°N, 30.050°E, ~50m, UTC+2.
+    # Method: SQM-LU-DL (horizontal + zenith simultaneously) + trained naked eye groups.
+    # Actual observation nights: Dec 9, 10 2018 (clear) + Dec 19, 2019 (clear).
+    # Dec 11 2018 was fully cloudy (Do=10° postponed) — excluded.
+    # Result: D0 = 14.7° (eye threshold mean); 14.0°-14.8° across methods.
+    # No per-night clock times published; dates 1-3 are actual, 4-6 are seasonal aggregates.
+    # =========================================================================
+
+    # -----------------------------------------------------------------------
+    # FAYUM (WADI AL-HITAN), EGYPT (29.283°N, 30.050°E, ~50m, UTC+2)
+    # -----------------------------------------------------------------------
+    {
+        "prayer": "fajr", "date_local": "2018-12-09", "time_local": "05:33",
+        "utc_offset": 2.0, "lat": 29.283, "lng": 30.050, "elevation_m": 50.0,
+        "source": "Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",
+        "notes": "SQM+naked eye; D0=14.6° (eye threshold); desert; actual obs date Dec 9 2018",
+    },
+    {
+        "prayer": "fajr", "date_local": "2018-12-10", "time_local": "05:34",
+        "utc_offset": 2.0, "lat": 29.283, "lng": 30.050, "elevation_m": 50.0,
+        "source": "Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",
+        "notes": "SQM+naked eye; D0=14.7° (eye threshold); desert; actual obs date Dec 10 2018",
+    },
+    {
+        "prayer": "fajr", "date_local": "2019-12-19", "time_local": "05:39",
+        "utc_offset": 2.0, "lat": 29.283, "lng": 30.050, "elevation_m": 50.0,
+        "source": "Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",
+        "notes": "SQM+naked eye; D0=14.0°(H=piZ) 14.8°(naked eye); desert; actual obs date Dec 19 2019",
+    },
+    {
+        "prayer": "fajr", "date_local": "2019-03-20", "time_local": "05:00",
+        "utc_offset": 2.0, "lat": 29.283, "lng": 30.050, "elevation_m": 50.0,
+        "source": "Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",
+        "notes": "SQM+naked eye; D0=14.7° mean; desert; spring equinox aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2019-06-21", "time_local": "03:45",
+        "utc_offset": 2.0, "lat": 29.283, "lng": 30.050, "elevation_m": 50.0,
+        "source": "Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",
+        "notes": "SQM+naked eye; D0=14.7° mean; desert; summer solstice aggregate",
+    },
+    {
+        "prayer": "fajr", "date_local": "2019-09-23", "time_local": "04:44",
+        "utc_offset": 2.0, "lat": 29.283, "lng": 30.050, "elevation_m": 50.0,
+        "source": "Rashed et al. 2022, IJMET 13(10):8-24, Fayum Wadi al-Hitan Egypt",
+        "notes": "SQM+naked eye; D0=14.7° mean; desert; autumn equinox aggregate",
+    },
+
+    # =========================================================================
+    # BATCH 10 — Abdel-Hadi Y.A. & Hassan A.H. (2022), IJAA 12(1):7-29
+    # =========================================================================
+    # Source: "The Effect of Sun Elevation on the Twilight Stages in Malaysia"
+    # IJAA (Int. Journal of Astronomy and Astrophysics) 12(1):7-29, 2022.
+    # DOI: 10.4236/ijaa.2022.121002
+    # Data collected by: Shariff N.N.M. (2008 M.Sc. thesis, Universiti Malaya)
+    # using SQM-LE, 2-minute intervals, aimed at azimuth of sunrise/sunset.
+    # UTC+8 (Malaysia Standard Time) for all sites.
+    #
+    # Per-date D0 values from Table 7 (Fajr / true dawn) and Table 5 (Isha / true dusk).
+    # Fajr: column a6 = depression at True Dawn Sadiq onset (N=8 nights, 3 sites).
+    # Isha: column a1 = depression at True Dusk onset (N=12 nights, 4 sites).
+    # New sites: Merang, Kuala Lipis, Port Klang.
+    # =========================================================================
+
+    # -----------------------------------------------------------------------
+    # FAJR — Table 7 (a6 = True Dawn)
+    # -----------------------------------------------------------------------
+
+    # Merang, Terengganu (5.517°N, 102.95°E, 42m) — NEW SITE
+    {
+        "prayer": "fajr", "date_local": "2007-05-08", "time_local": "05:56",
+        "utc_offset": 8.0, "lat": 5.517, "lng": 102.950, "elevation_m": 42.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Merang Terengganu Malaysia",
+        "notes": "SQM-LE; D0=14.595° (Table 7 a6, true dawn); Shariff 2008 data",
+    },
+
+    # Kuala Lipis, Pahang (4.183°N, 102.05°E, 75m) — NEW SITE
+    {
+        "prayer": "fajr", "date_local": "2007-11-10", "time_local": "06:01",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=14.079° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "fajr", "date_local": "2007-12-29", "time_local": "06:17",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=14.595° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "fajr", "date_local": "2008-01-11", "time_local": "06:26",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=13.864° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "fajr", "date_local": "2008-02-09", "time_local": "06:34",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=13.419° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "fajr", "date_local": "2008-03-22", "time_local": "06:22",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=13.970° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "fajr", "date_local": "2008-03-23", "time_local": "06:21",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=13.970° (Table 7 a6, true dawn); inland Pahang; Shariff 2008 data",
+    },
+
+    # Port Klang, Selangor (3.000°N, 101.40°E, 46m) — NEW SITE
+    {
+        "prayer": "fajr", "date_local": "2008-04-07", "time_local": "06:13",
+        "utc_offset": 8.0, "lat": 3.000, "lng": 101.400, "elevation_m": 46.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Port Klang Selangor Malaysia",
+        "notes": "SQM-LE; D0=15.065° (Table 7 a6, true dawn); coastal port; Shariff 2008 data",
+    },
+
+    # -----------------------------------------------------------------------
+    # ISHA — Table 5 (a1 = True Dusk begins)
+    # -----------------------------------------------------------------------
+
+    # Teluk Kemang, Negeri Sembilan (2.467°N, 101.867°E, 27m) — already in dataset; new dates
+    {
+        "prayer": "isha", "date_local": "2007-06-15", "time_local": "20:19",
+        "utc_offset": 8.0, "lat": 2.467, "lng": 101.867, "elevation_m": 27.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Teluk Kemang Negeri Sembilan Malaysia",
+        "notes": "SQM-LE; D0=14.213° (Table 5 a1, true dusk); coastal NS; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2007-08-13", "time_local": "20:20",
+        "utc_offset": 8.0, "lat": 2.467, "lng": 101.867, "elevation_m": 27.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Teluk Kemang Negeri Sembilan Malaysia",
+        "notes": "SQM-LE; D0=14.690° (Table 5 a1, true dusk); coastal NS; Shariff 2008 data",
+    },
+
+    # Kuala Lumpur, Federal Territory (3.150°N, 101.683°E, 60m) — already in dataset; new dates
+    {
+        "prayer": "isha", "date_local": "2007-09-04", "time_local": "20:05",
+        "utc_offset": 8.0, "lat": 3.150, "lng": 101.683, "elevation_m": 60.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lumpur Malaysia",
+        "notes": "SQM-LE; D0=12.850° (Table 5 a1, true dusk); urban LP; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2007-10-27", "time_local": "19:57",
+        "utc_offset": 8.0, "lat": 3.150, "lng": 101.683, "elevation_m": 60.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lumpur Malaysia",
+        "notes": "SQM-LE; D0=15.340° (Table 5 a1, true dusk); urban LP; Shariff 2008 data",
+    },
+
+    # Kuala Lipis, Pahang (4.183°N, 102.05°E, 75m) — Isha at same site as above Fajr
+    {
+        "prayer": "isha", "date_local": "2007-12-29", "time_local": "20:09",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=14.420° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2008-01-11", "time_local": "20:11",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=13.600° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2008-01-12", "time_local": "20:14",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=14.330° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2008-02-09", "time_local": "20:15",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=13.003° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2008-03-22", "time_local": "20:18",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=14.938° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2008-03-23", "time_local": "20:18",
+        "utc_offset": 8.0, "lat": 4.183, "lng": 102.050, "elevation_m": 75.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Kuala Lipis Pahang Malaysia",
+        "notes": "SQM-LE; D0=14.938° (Table 5 a1, true dusk); inland Pahang; Shariff 2008 data",
+    },
+
+    # Port Klang, Selangor (3.000°N, 101.40°E, 46m) — Isha at same site as above Fajr
+    {
+        "prayer": "isha", "date_local": "2008-04-05", "time_local": "20:14",
+        "utc_offset": 8.0, "lat": 3.000, "lng": 101.400, "elevation_m": 46.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Port Klang Selangor Malaysia",
+        "notes": "SQM-LE; D0=13.970° (Table 5 a1, true dusk); coastal port; Shariff 2008 data",
+    },
+    {
+        "prayer": "isha", "date_local": "2008-04-06", "time_local": "20:18",
+        "utc_offset": 8.0, "lat": 3.000, "lng": 101.400, "elevation_m": 46.0,
+        "source": "Abdel-Hadi & Hassan 2022, IJAA 12(1):7-29, Port Klang Selangor Malaysia",
+        "notes": "SQM-LE; D0=14.938° (Table 5 a1, true dusk); coastal port; Shariff 2008 data",
+    },
+
 ]