"Thu, 26 Mar 1970 07:12:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700326
Only TIME
07:12:31
General datetime
1970-03-26 07:12:31Z
For Database
1970-03-26 07:12:31
For HTTP1.1
Thu, 26 Mar 1970 07:12:31 GMT