"Thu, 05 Feb 1970 01:01:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700205
Only TIME
01:01:14
General datetime
1970-02-05 01:01:14Z
For Database
1970-02-05 01:01:14
For HTTP1.1
Thu, 05 Feb 1970 01:01:14 GMT