——>It hasn’t changed much since humans first started to keep track, but it was not always so.
Yes it has. The seven day week and 30 day month cycles were established at creation. I would invite you to read the account of the flood in Gen 7 and 8. That’s about 1500 years after the flood. Note the specific timeframes mentioned. There has been no change from creation to now.
Okies.
I’m referring to a longer timeframe. The billions of years the planet existed before humans evolved and started to track such things.
That’s about 1500 years after the flood.
Correction...1500 years after creation.