"Fri, 09 Jan 1970 02:47:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700109
Only TIME
02:47:05
General datetime
1970-01-09 02:47:05Z
For Database
1970-01-09 02:47:05
For HTTP1.1
Fri, 09 Jan 1970 02:47:05 GMT