"Thu, 08 Jan 1970 09:59:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700108
Only TIME
09:59:43
General datetime
1970-01-08 09:59:43Z
For Database
1970-01-08 09:59:43
For HTTP1.1
Thu, 08 Jan 1970 09:59:43 GMT