Why the calendar has numerical days of the week and months
Exodus 23:13 And in all things that I have said unto you be circumspect: and make no mention of the name of other gods, neither let it be heard out of thy mouth.
I thought, “Why would I ever do that?” Then I learned that January is named after a Roman mythical god, Janus, Tuesday literally means "Tiw's Day”. Tiw is the Old English form of the Proto-Germanic god of war and law etc.
Don’t worry though, the calendar is easy to follow and you won’t even miss them. Who knows? Your life may even get easier.
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