"Thu, 19 Feb 1970 07:13:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700219
Only TIME
07:13:16
General datetime
1970-02-19 07:13:16Z
For Database
1970-02-19 07:13:16
For HTTP1.1
Thu, 19 Feb 1970 07:13:16 GMT