This response will be left intentionally vague. "Random data" doesn't tell us much. Give us more information and you will get a more useful answer. Until then, I take free reign to stab in the dark.
"best practices" for generating random dates?
I'll assume this isn't a typo and you really do want random dates.
rand 0x7fffffff is an easy way to get a random UNIX epoch timestamp (dates between 1970 and somewhere in 2038), which you can manipulate with
localtime and friends to just get the M/D/Y part:
$ perl -le 'print scalar localtime rand 0x7fffffff for 1 .. 5'
Sun Apr 12 10:55:39 2009
Fri Nov 17 13:33:19 2023
Thu Jun 18 06:25:07 1987
Mon Jan 3 21:29:32 1994
Mon Aug 16 21:49:25 1999
It's easy to modify this to pick a random time within a certain range (provided the range is within the UNIX epoch range), just find the timestamps of the endpoints. I'll leave that to you.
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