"Sat, 17 Jan 1970 09:15:44"

Convert date and time to unixtime.

1415744

Another datetime format string at UTC

YYYYMMDD
19700117

Only TIME
09:15:44

General datetime
1970-01-17 09:15:44Z

For Database
1970-01-17 09:15:44

For HTTP1.1
Sat, 17 Jan 1970 09:15:44 GMT


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