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http://militarytimechart.com/24-hour-clock/#:~:text=Some%20time%20between%20147%20and%20127%20BCE%2C%20the,the%20periods%20of%20day%20and%20night%20are%20equal.
https://sites.google.com/site/dilucinum/home/some-other-information/equinoctial-hours
Equinoctial hours. For their calculations Roman astronomers (and astrologers) made use of equinoctial hours, as we do. These are hours which are …
http://curious.astro.cornell.edu/our-solar-system/161-our-solar-system/the-earth/day-night-cycle/761-why-is-a-day-divided-into-24-hours-intermediate
However, hours did not have a fixed length until the Greeks decided they needed such a system for theoretical calculations. Hipparchus proposed dividing the day equally into 24 hours which came to be known as equinoctial hours (because they are based on 12 hours of daylight and 12 hours of darkness on the days of the Equinoxes).
http://militarytimechart.com/24-hour-clock/
Some time between 147 and 127 BCE, the astronomer Hipparchus, developed the idea of equinoctial hours. These were hours that were equal in length regardless of the season. The length of the hour, 60 minutes, was determined during the …
https://whomadewhat.org/how-many-hours-make-24-hours/
Hipparchus, whose work primarily took place between 147 and 127 B.C., proposed dividing the day into 24 equinoctial hours, based on the 12 hours of daylight and 12 hours of darkness observed on equinox days.
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