The Calendar
What the atlas records for this date, across the traditions it covers.
Already Underway
Feast / celebration
25 Kislev to 2 or 3 Tevet
Day 7 of 8
Runs into Tevet, since Kislev has twenty-nine or thirty days.
Fast / abstinence
The whole of Ramadan, the ninth month
Day 3 of 29
Tabular reckoning, and stored as twenty-nine days so the month can never be reported as running into Eid al-Fitr. The month is twenty-nine or thirty days and begins on a sighted crescent in most communities.
This Week In Space and Astronomy 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.