"Thu, 05 Feb 1970 19:46:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700205
Only TIME
19:46:17
General datetime
1970-02-05 19:46:17Z
For Database
1970-02-05 19:46:17
For HTTP1.1
Thu, 05 Feb 1970 19:46:17 GMT