"Thu, 05 Feb 1970 23:30:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700205
Only TIME
23:30:53
General datetime
1970-02-05 23:30:53Z
For Database
1970-02-05 23:30:53
For HTTP1.1
Thu, 05 Feb 1970 23:30:53 GMT