"Wed, 28 Jan 1970 18:16:12"

Convert date and time to unixtime.

2398572

Another datetime format string at UTC

YYYYMMDD
19700128

Only TIME
18:16:12

General datetime
1970-01-28 18:16:12Z

For Database
1970-01-28 18:16:12

For HTTP1.1
Wed, 28 Jan 1970 18:16:12 GMT

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