From myzemanim.com for where I live, for this Shabbos, erev Shovuos, the “sho’o zemanis” (Proportional Hour) Gra & Baal Tanya is 1hr:22mins. Nightfall - 3 Stars is around 10:30 pm. Shkia is ...
When is the last time one can eat a meal on Motzei Shabbos and still have it considered Melavah Malkah? When is the deadline?
The Luach Kolel Chabad says it's customary to pray mincha before lunch on the eighth day of Pesach. Why?
What is the optimal time for the Purim Seduah (Meal)?