"Mon, 19 Jan 1970 21:42:27"

Convert date and time to unixtime.

1633347

Another datetime format string at UTC

YYYYMMDD
19700119

Only TIME
21:42:27

General datetime
1970-01-19 21:42:27Z

For Database
1970-01-19 21:42:27

For HTTP1.1
Mon, 19 Jan 1970 21:42:27 GMT


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