"Sat, 24 Jan 1970 22:41:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
22:41:14
General datetime
1970-01-24 22:41:14Z
For Database
1970-01-24 22:41:14
For HTTP1.1
Sat, 24 Jan 1970 22:41:14 GMT