"Thu, 22 Jan 1970 07:13:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700122
Only TIME
07:13:12
General datetime
1970-01-22 07:13:12Z
For Database
1970-01-22 07:13:12
For HTTP1.1
Thu, 22 Jan 1970 07:13:12 GMT