"Mon, 16 Mar 1970 00:53:09"

Convert date and time to unixtime.

6396789

Another datetime format string at UTC

YYYYMMDD
19700316

Only TIME
00:53:09

General datetime
1970-03-16 00:53:09Z

For Database
1970-03-16 00:53:09

For HTTP1.1
Mon, 16 Mar 1970 00:53:09 GMT

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