"Mon, 19 Jan 1970 00:09:25"

Convert date and time to unixtime.

1555765

Another datetime format string at UTC

YYYYMMDD
19700119

Only TIME
00:09:25

General datetime
1970-01-19 00:09:25Z

For Database
1970-01-19 00:09:25

For HTTP1.1
Mon, 19 Jan 1970 00:09:25 GMT

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