"Sun, 11 Jan 1970 04:36:43"

Convert date and time to unixtime.

880603

Another datetime format string at UTC

YYYYMMDD
19700111

Only TIME
04:36:43

General datetime
1970-01-11 04:36:43Z

For Database
1970-01-11 04:36:43

For HTTP1.1
Sun, 11 Jan 1970 04:36:43 GMT


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