"Tue, 20 Jan 1970 00:53:21"

Convert date and time to unixtime.

1644801

Another datetime format string at UTC

YYYYMMDD
19700120

Only TIME
00:53:21

General datetime
1970-01-20 00:53:21Z

For Database
1970-01-20 00:53:21

For HTTP1.1
Tue, 20 Jan 1970 00:53:21 GMT


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