According to Hebrew tradition, the world is 5,775 years old, today. That is 3,761 BPE. So Time was inititiated then. Truly, “in the beginning”.
Calendars have been made from ancient times, and no two work exactly the same way. Calculation has been done with the sun and moon, and modern adjustments in dating are based on each original system.
Interesting. Interesting and Overwhelming.