Zmanim
Zmanim (Hebrew: זְמַנִּים, literally means "times", singular zman) are specific times of the day mentioned in Jewish law.
For other uses, see Zman (disambiguation).These times appear in various contexts: Shabbat and Jewish holidays begin and end at specific times in the evening, while some rituals must be performed during the day or the night, or during specific hours of the day or night.