"Fri, 30 Jan 1970 18:16:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700130
Only TIME
18:16:01
General datetime
1970-01-30 18:16:01Z
For Database
1970-01-30 18:16:01
For HTTP1.1
Fri, 30 Jan 1970 18:16:01 GMT