For example,
60 seconds = 1 minute
60 minutes = 1 hour
24 hours = 1 day
7 day = 1 week
29-31 days = Month (approx.)
365/366 days = year
It’s like for the imperial measurement of distance, where 1 mile = 5280 feet…
Edit: just to clarify, I’m more or less keen towards any consistent, decimal-based measurement systems like base-10 or base-12.
371 days in leap years!
Also January 1 is always Monday, and you could paint the calendar on your wall because every year would have the same dates on the same days, just with an extra week added to December every several years
The biggest problem is that it doesn’t track the actual solar day, so farmers would need to use the current calendar to work out when to plant