"Tue, 20 Jan 1970 01:00:43"

Convert date and time to unixtime.

1645243

Another datetime format string at UTC

YYYYMMDD
19700120

Only TIME
01:00:43

General datetime
1970-01-20 01:00:43Z

For Database
1970-01-20 01:00:43

For HTTP1.1
Tue, 20 Jan 1970 01:00:43 GMT

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