"Sat, 24 Jan 1970 05:33:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
05:33:03
General datetime
1970-01-24 05:33:03Z
For Database
1970-01-24 05:33:03
For HTTP1.1
Sat, 24 Jan 1970 05:33:03 GMT