"Fri, 03 Apr 1970 07:11:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700403
Only TIME
07:11:41
General datetime
1970-04-03 07:11:41Z
For Database
1970-04-03 07:11:41
For HTTP1.1
Fri, 03 Apr 1970 07:11:41 GMT