What I mean to ask is that how did people coordinate day to day activities without a universal date and time system? And how did the current date and time system get implemented universally?
In: 5
Why would you need universal time and date to cooperate? Sun is still setting the same way. You actually do not need to keep a tight schedule, its not like you will postpone your daily activities because of a lunch with inlaws or extra work your recieved at your office job.
As for when date and time systems got implemented. The Anno Domini calendar which would currently be 2023 was “created” in 6th century, adopted in Europe during 8th and 9th and with the European colonial domination spread globally. It never was only type of year couting and even today, many different countries use many different calendars, meaning that your year 2023 is someone else 1460 or 4560.
Dividing days into hours and hours into minutes and seconds comes from the first civilizations of Mesopotamia and Egypt.
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