"Fri, 16 Jan 1970 03:45:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700116
Only TIME
03:45:14
General datetime
1970-01-16 03:45:14Z
For Database
1970-01-16 03:45:14
For HTTP1.1
Fri, 16 Jan 1970 03:45:14 GMT