The Calendar
What the atlas records for this date, across the traditions it covers.
Already Underway
Feast / celebration
15-21 Tishrei
Day 2 of 7
This Week In Science History
Dates for the Hebrew and Islamic calendars are the tabular reckoning, which is what a printed calendar prints. Communities that begin a month on a sighted crescent may differ by a day, and differ from one another by place.