The Calendar
What the atlas records for this date, across the traditions it covers.
Observed On This Date
Penitential season
From Palm Sunday to Holy Saturday, the week before Easter
Day 1 of 7
Procession
The Sunday before Easter, opening Holy Week
Feast / celebration
14 Adar; 15 Adar in walled cities (Shushan Purim)
Leap years, when the Hebrew calendar carries two months of Adar.
Already Underway
Fast / abstinence
The forty days from Ash Wednesday to Holy Thursday, Sundays not counted
Day 40 of 46
Forty days, counted excluding Sundays, which is why the span is forty-six.
Fast / abstinence
The whole of Ramadan, the ninth month
Day 15 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 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.