"Fri, 06 Feb 1970 14:53:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700206
Only TIME
14:53:12
General datetime
1970-02-06 14:53:12Z
For Database
1970-02-06 14:53:12
For HTTP1.1
Fri, 06 Feb 1970 14:53:12 GMT