Science Atlas

How We Know What We Know
The Calendar

Wednesday 1 May 2030

What the atlas records for this date, across the traditions it covers.

Observed On This Date

Seasonal turning point
1 May, with the eve of 30 April
Northern hemisphere reckoning.

Already Underway

Feast / celebration
The week following Pascha
Day 4 of 7
The week following Pascha.
Feast / celebration
The fifty days from Easter Sunday to Pentecost, kept as a single festal season
Day 11 of 50

The Week Ahead

Friday 3 MayIslamic New Year

This Week In Science History

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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.