"Tue, 06 Jan 1970 05:57:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700106
Only TIME
05:57:37
General datetime
1970-01-06 05:57:37Z
For Database
1970-01-06 05:57:37
For HTTP1.1
Tue, 06 Jan 1970 05:57:37 GMT