"Thu, 12 Mar 1970 07:12:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700312
Only TIME
07:12:02
General datetime
1970-03-12 07:12:02Z
For Database
1970-03-12 07:12:02
For HTTP1.1
Thu, 12 Mar 1970 07:12:02 GMT