"Fri, 09 Jan 1970 09:16:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700109
Only TIME
09:16:09
General datetime
1970-01-09 09:16:09Z
For Database
1970-01-09 09:16:09
For HTTP1.1
Fri, 09 Jan 1970 09:16:09 GMT