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The Calendar

Thursday 18 April 2024

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

The Day BeforeTodayThe Day AfterAll Of April 2024

Already Underway

Eastertide
Feast / celebration
The fifty days from Easter Sunday to Pentecost, kept as a single festal season
Day 19 of 50
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The Week Ahead

Tuesday 23 AprilPassover (Pesach)

This Week In Space and Astronomy History

18 AprilGSLV, First Flight Date 2001
19 AprilMartin X-23 PRIME, Launch Date 1967
19 AprilSalyut 1, Launch Date 1971
19 AprilSalyut Program, Launch Date 1971
20 AprilStarship, Launch Date 2023
20 AprilTianzhou, Launch Date 2017
21 AprilAntares, First Flight Date 2013
22 AprilBoeing X-37, Launch Date 2010
22 AprilNoor (satellite), Launch Date 2020
22 AprilSoyuz 7K-OKS, Launch Date 1971
23 AprilRanger 4, Launch Date 1962
23 AprilSoyuz, Launch Date 1967
24 AprilLong March 1, First Flight Date 1970
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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.