UUID#The timestamp, as used in the UUID RFC is a 60 bit value, representing the number of 100 nanosecond intervals since 15 October 1582 00:00:000000000 This guarantees that there would be no duplicates in UUID until 3400 AD. (Then What? ;-) ) Unix Time is a NumericDate
VMS#VMS, it's 00:00:00 of November 17, 1858 (base date of the U.S. Naval Observatory's ephemerides)
Macintosh#Macintosh, it's the midnight beginning January 1 1904. (MacOS Epoch)
Interesting Links:#Epoch (reference date)
More Information#There might be more information for this subject on one of the following:
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