"Tue, 17 Feb 1970 11:25:23"

Convert date and time to unixtime.

4101923

Another datetime format string at UTC

YYYYMMDD
19700217

Only TIME
11:25:23

General datetime
1970-02-17 11:25:23Z

For Database
1970-02-17 11:25:23

For HTTP1.1
Tue, 17 Feb 1970 11:25:23 GMT


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