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61 lines
1.7 KiB
Markdown
61 lines
1.7 KiB
Markdown
# Basic Usage Examples
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## Tonight's Moon
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```dart
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import 'package:moon_sighting/moon_sighting.dart';
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void main() {
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final now = DateTime.now().toUtc();
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final phase = getMoonPhase(now);
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final position = getMoonPosition(now, 40.7128, -74.0060);
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print('Moon tonight (New York):');
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print(' Phase: ${phase.phaseName}');
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print(' Illumination: ${phase.illumination.toStringAsFixed(1)}%');
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print(' Altitude: ${position.altitude.toStringAsFixed(2)}°');
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print(' Azimuth: ${position.azimuth.toStringAsFixed(2)}°');
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print(' Distance: ${position.distanceKm.toStringAsFixed(0)} km');
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}
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```
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## Ramadan Crescent Visibility Check
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```dart
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import 'package:moon_sighting/moon_sighting.dart';
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void main() {
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// Check crescent visibility for major Muslim cities on Ramadan eve
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final eveningOfCheck = DateTime.utc(2026, 2, 17, 18, 0);
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final cities = [
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('Makkah', 21.4225, 39.8262, 3.0),
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('Istanbul', 41.0082, 28.9784, 3.0),
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('London', 51.5074, -0.1278, 0.0),
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('New York', 40.7128, -74.0060, -5.0),
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];
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print('City Zone');
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print('${'─' * 30}');
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for (final (city, lat, lng, _) in cities) {
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final vis = getMoonVisibilityEstimate(eveningOfCheck, lat, lng);
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print('${city.padRight(18)}${vis.zone.label}');
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}
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}
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```
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## Moon Phase Calendar
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```dart
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import 'package:moon_sighting/moon_sighting.dart';
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void main() {
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print('Date,Phase,Illumination');
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for (int day = 1; day <= 30; day++) {
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final date = DateTime.utc(2025, 3, day, 12, 0);
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final phase = getMoonPhase(date);
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print('2025-03-${day.toString().padLeft(2, "0")},'
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'${phase.phaseName},${phase.illumination.toStringAsFixed(1)}%');
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}
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}
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```
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