Technology and Engineering Atlas

How Things Are Built
Sign In
Text size
100%
Theme
The Calendar

Thursday 23 May 2030

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

Already Underway

Feast / celebration
The fifty days from Easter Sunday to Pentecost, kept as a single festal season
Day 33 of 50

The Week Ahead

Thursday 30 MayAscension Day

This Week In Technology and Engineering History

24 MayThe Telegraph, patented 1844
25 MayFountain Pen, patented 1827
26 MayTime Clock, patented 1891
27 MayAdhesive Tape, patented 1930
27 MayBathysphere, patented 1930
27 MayFax, patented 1843
Download Card

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.