"Sat, 17 Jan 1970 02:27:36"

Convert date and time to unixtime.

1391256

Another datetime format string at UTC

YYYYMMDD
19700117

Only TIME
02:27:36

General datetime
1970-01-17 02:27:36Z

For Database
1970-01-17 02:27:36

For HTTP1.1
Sat, 17 Jan 1970 02:27:36 GMT


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