"Tue, 13 Jan 1970 21:43:29"

Convert date and time to unixtime.

1115009

Another datetime format string at UTC

YYYYMMDD
19700113

Only TIME
21:43:29

General datetime
1970-01-13 21:43:29Z

For Database
1970-01-13 21:43:29

For HTTP1.1
Tue, 13 Jan 1970 21:43:29 GMT

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