"Tue, 06 Jan 1970 22:05:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700106
Only TIME
22:05:47
General datetime
1970-01-06 22:05:47Z
For Database
1970-01-06 22:05:47
For HTTP1.1
Tue, 06 Jan 1970 22:05:47 GMT