"Mon, 05 Jan 1970 12:52:43"

Convert date and time to unixtime.

391963

Another datetime format string at UTC

YYYYMMDD
19700105

Only TIME
12:52:43

General datetime
1970-01-05 12:52:43Z

For Database
1970-01-05 12:52:43

For HTTP1.1
Mon, 05 Jan 1970 12:52:43 GMT

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