The sun dial worked during daylight, but how did people agree on what time it was at night before clocks were invented?

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[–] 5 points 2 years ago* (last edited 2 years ago)

Not sure how accurate this is, but in The Name of the Rose by Umberto Eco, some monks stay up all night chanting so that they can wake up the other monks for morning prayers. So, the night monks chant a Hail Mary X number of times, and that takes them Y amount of time.

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