"Tue, 10 Feb 1970 07:53:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700210
Only TIME
07:53:03
General datetime
1970-02-10 07:53:03Z
For Database
1970-02-10 07:53:03
For HTTP1.1
Tue, 10 Feb 1970 07:53:03 GMT