"Tue, 13 Jan 1970 12:26:23"

Convert date and time to unixtime.

1081583

Another datetime format string at UTC

YYYYMMDD
19700113

Only TIME
12:26:23

General datetime
1970-01-13 12:26:23Z

For Database
1970-01-13 12:26:23

For HTTP1.1
Tue, 13 Jan 1970 12:26:23 GMT

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