"Wed, 07 Jan 1970 14:28:23"

Convert date and time to unixtime.

570503

Another datetime format string at UTC

YYYYMMDD
19700107

Only TIME
14:28:23

General datetime
1970-01-07 14:28:23Z

For Database
1970-01-07 14:28:23

For HTTP1.1
Wed, 07 Jan 1970 14:28:23 GMT


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