Timeline for How did people count seconds before clocks were invented?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Nov 11, 2021 at 3:25 | history | edited | Alexandre Eremenko | CC BY-SA 4.0 |
added 48 characters in body
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| Feb 18, 2017 at 21:49 | comment | added | fdb | A good answer, especially point 3. Just to clarify one thing: Ptolemy (for example) expressed the length of the year not in days, hours, minutes, seconds, but as days, and sexagesimal fractions thereof. | |
| Feb 6, 2017 at 7:33 | history | answered | Alexandre Eremenko | CC BY-SA 3.0 |