"Thu, 22 Jan 1970 22:41:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700122
Only TIME
22:41:19
General datetime
1970-01-22 22:41:19Z
For Database
1970-01-22 22:41:19
For HTTP1.1
Thu, 22 Jan 1970 22:41:19 GMT