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TIL the Romans adjusted daily schedules to the sun. They divid | Today I Learned

TIL the Romans adjusted daily schedules to the sun. They divided daylight into 12 hours regardless of daytime, so that each daylight hour became progressively longer during spring and shorter during fall. The 3rd hour of the day in Rome was 44 min for winter solstice and 75 min for summer solstice. [Source]