"Thu, 08 Jan 1970 18:14:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700108
Only TIME
18:14:24
General datetime
1970-01-08 18:14:24Z
For Database
1970-01-08 18:14:24
For HTTP1.1
Thu, 08 Jan 1970 18:14:24 GMT