"Fri, 09 Jan 1970 21:48:42"

Convert date and time to unixtime.

769722

Another datetime format string at UTC

YYYYMMDD
19700109

Only TIME
21:48:42

General datetime
1970-01-09 21:48:42Z

For Database
1970-01-09 21:48:42

For HTTP1.1
Fri, 09 Jan 1970 21:48:42 GMT


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