About & Calculation Methods

Times are calculated from each location's coordinates at sea level with the KosherJava library (JavaScript port: kosher-zmanim). The calendar, parshiyot and holidays come from Hebcal.

Opinions used

• Dawn (alot hashachar): sun 16.1° below the horizon. Misheyakir: 11.5°.
• Latest Shema and Shacharit: Gra (day from sunrise to sunset) and Magen Avraham (day from 72 minutes before sunrise to 72 minutes after sunset).
• Nightfall and the end of Shabbat: sun 8.5° below the horizon. Rabbeinu Tam: 72 minutes after sunset.
• Candle lighting: Jerusalem 40 minutes before sunset; Haifa and Zichron Yaakov 30; elsewhere in Israel 20; outside Israel 18.

Disclaimer

Times can differ by a minute or two from local calendars, which may use elevation, exact location or another method. Don't rely on this site for times at the very edge; follow your community's calendar and ask your rabbi.

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