Roman Timekeeping

en.wikipedia.org

15 pointsjanandonly4 comments

I've always been interested by the κλεψύδρα, water clock. Searching that term now brings up hourglasses, which is a connection I've surprisingly never made.

https://en.wikipedia.org/wiki/Water_clock

And specifically Ctesibius' one, https://en.wikipedia.org/wiki/Ctesibius, which is an analog computer for calculating the time.

The Hours-Varry-By-Season is also reflected in older Japanese timekeeping: futeijihō

Japan had some pretty interesting traditions in the Edo period:

https://en.wikipedia.org/wiki/Sangaku

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