"Sat, 24 Jan 1970 09:22:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
09:22:17
General datetime
1970-01-24 09:22:17Z
For Database
1970-01-24 09:22:17
For HTTP1.1
Sat, 24 Jan 1970 09:22:17 GMT