"Mon, 19 Jan 1970 12:31:19"

Convert date and time to unixtime.

1600279

Another datetime format string at UTC

YYYYMMDD
19700119

Only TIME
12:31:19

General datetime
1970-01-19 12:31:19Z

For Database
1970-01-19 12:31:19

For HTTP1.1
Mon, 19 Jan 1970 12:31:19 GMT

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