Precision Lunar Science

Where Astronomy Meets
the Hijri Calendar.

Real-time crescent visibility computed from your coordinates using the Yallop & Odeh criteria, the same standards trusted by Islamic authorities worldwide.

Compute My Visibility

View Moon Phases

Current Moon Phase

Waning Gibbous

89% Illuminated illuminated

Hijri Date

18 Shawwal

18 شَوَّال 1447 AH

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The world's most advanced Islamic crescent visibility tools in your pocket. Mobile apps coming to iOS and Android.

Coming SoonApp Store

Coming SoonGoogle Play

صدقة جارية — Sadaqah Jariyah

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Help us keep these tools free and accessible for the Ummah. Your contribution supports server costs, API fees, and continuous astronomical research.

Support Us

Where Astronomy Meets the Hijri Calendar.

Take Hilal Vision Anywhere

Support the continuous development of Hilal Vision

Where Astronomy Meets
the Hijri Calendar.