Space and Astronomy Atlas

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The Calendar

Monday 26 May 2025

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

The Day BeforeTodayThe Day AfterAll Of May 2025

Already Underway

Eastertide
Feast / celebration
The fifty days from Easter Sunday to Pentecost, kept as a single festal season
Day 37 of 50
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The Week Ahead

Thursday 29 MayAscension Day

This Week In Space and Astronomy History

26 MayAlan Bean, died 2018
26 MayApollo 10, End Date 1969
26 MaySally Ride, born 1951
28 MayMars 3, Launch Date 1971
30 MayMariner 9, Launch Date 1971
30 MaySurveyor 1, Launch Date 1966
30 MaySurveyor Program, Launch Date 1966
1 JuneVenera Program, End Date 1983
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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.