Space and Astronomy Atlas

How The Universe Works
The Calendar

Wednesday 10 February 2027

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

Observed On This Date

Fast / abstinence
The Wednesday forty-six days before Easter, opening the Western Lent
Western Lent. The Orthodox fast begins on Clean Monday, which is reckoned differently.
Fast / abstinence
The forty days from Ash Wednesday to Holy Thursday, Sundays not counted
Day 1 of 46
Forty days, counted excluding Sundays, which is why the span is forty-six.

Already Underway

Fast / abstinence
The whole of Ramadan, the ninth month
Day 4 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.

The Week Ahead

Thursday 11 FebruaryOur Lady of Lourdes
Monday 15 FebruaryParinirvana Day

This Week In Space and Astronomy 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.