"Wed, 11 Feb 1970 19:40:43"

Convert date and time to unixtime.

3613243

Another datetime format string at UTC

YYYYMMDD
19700211

Only TIME
19:40:43

General datetime
1970-02-11 19:40:43Z

For Database
1970-02-11 19:40:43

For HTTP1.1
Wed, 11 Feb 1970 19:40:43 GMT


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