"Thu, 08 Jan 1970 02:46:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700108
Only TIME
02:46:41
General datetime
1970-01-08 02:46:41Z
For Database
1970-01-08 02:46:41
For HTTP1.1
Thu, 08 Jan 1970 02:46:41 GMT