Time-keeping is for all methods to measure time. For example, questions about the hourglass, the sundial, and atomic clocks all fit into "Time-keeping"

learn more… | top users | synonyms

-1
votes
0answers
47 views

What is the exact relationship between Jewish and Roman calendar days?

The Jewish calendar day began with the fall of darkness. So the first twelve hours were divided between the night and the second twelve hours divided among the daylight (Exodus 12:18, John 11:9). ...