"Thu, 07 May 1970 07:12:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700507
Only TIME
07:12:14
General datetime
1970-05-07 07:12:14Z
For Database
1970-05-07 07:12:14
For HTTP1.1
Thu, 07 May 1970 07:12:14 GMT