"Tue, 06 Jan 1970 11:06:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700106
Only TIME
11:06:47
General datetime
1970-01-06 11:06:47Z
For Database
1970-01-06 11:06:47
For HTTP1.1
Tue, 06 Jan 1970 11:06:47 GMT