"Thu, 08 Jan 1970 11:20:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700108
Only TIME
11:20:04
General datetime
1970-01-08 11:20:04Z
For Database
1970-01-08 11:20:04
For HTTP1.1
Thu, 08 Jan 1970 11:20:04 GMT