"Mon, 05 Jan 1970 20:42:49"

Convert date and time to unixtime.

420169

Another datetime format string at UTC

YYYYMMDD
19700105

Only TIME
20:42:49

General datetime
1970-01-05 20:42:49Z

For Database
1970-01-05 20:42:49

For HTTP1.1
Mon, 05 Jan 1970 20:42:49 GMT


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