"Thu, 01 Jan 1970 09:16:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700101
Only TIME
09:16:05
General datetime
1970-01-01 09:16:05Z
For Database
1970-01-01 09:16:05
For HTTP1.1
Thu, 01 Jan 1970 09:16:05 GMT