pray-calc/.github/wiki/api/functions/getAsr.md

pray-calc v2.1.1

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pray-calc / getAsr

Function: getAsr()

getAsr(solarNoon, latitude, declination, hanafi?): number

Defined in: getAsr.ts:21

Compute Asr time as fractional hours.

Parameters

solarNoon

number

Solar noon in fractional hours (from getSpa)

latitude

number

Observer latitude in degrees

declination

number

Solar declination in degrees (from solarEphemeris)

hanafi?

boolean = false

true for Hanafi (shadow factor 2), false for Shafi'i (factor 1)

Returns

number

Fractional hours, or NaN if the sun never reaches the required altitude