Before revision: Questions potentially affected include: Crossing the line into or out of Shabbat or a holiday, or a rabbinic fast day, while already aboard an airplane or a ship Lighting candles on Hanukkah Counting of the Omer, and consequently fixing the day for Shavuot Counting days until relations are permitted following menstruation In some cases, crossing the date line (wherever it may be drawn) has a specific impact on practice or prohibitions under Jewish law.
After revision: Determining what prayers to say (and when) while in transitFixing the date for Brit Milah, Pidyon Haben or Bar and Bat MitzvahQuestions potentially affected include: Crossing the line into or out of Shabbat or a holiday, or a rabbinic fast day, while already aboard an airplane or a ship Lighting candles on Hanukkah Counting of the Omer, and consequently fixing the day for Shavuot Counting days until relations are permitted following menstruation In some cases, crossing the date line (wherever it may be drawn) has a specific impact on practice or prohibitions under Jewish law.