"Thu, 22 Jan 1970 14:11:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700122
Only TIME
14:11:45
General datetime
1970-01-22 14:11:45Z
For Database
1970-01-22 14:11:45
For HTTP1.1
Thu, 22 Jan 1970 14:11:45 GMT