The Calendar
What the atlas records for this date, across the traditions it covers.
Already Underway
New year
13 to 15 April, timed to the sun's entry into Aries in the traditional solar calendar.
Day 3 of 3
Feast / celebration
The fifty days from Easter Sunday to Pentecost, kept as a single festal season
Day 19 of 50
This Week In Technology and Engineering 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.