"Sun, 04 Jan 1970 21:43:54"

Convert date and time to unixtime.

337434

Another datetime format string at UTC

YYYYMMDD
19700104

Only TIME
21:43:54

General datetime
1970-01-04 21:43:54Z

For Database
1970-01-04 21:43:54

For HTTP1.1
Sun, 04 Jan 1970 21:43:54 GMT


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