"Fri, 09 Jan 1970 14:28:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700109
Only TIME
14:28:06
General datetime
1970-01-09 14:28:06Z
For Database
1970-01-09 14:28:06
For HTTP1.1
Fri, 09 Jan 1970 14:28:06 GMT