Some routers & modems work best with port forwarding if you have a static local IP. Manually set your network interface card (NIC) to use a static ip address. You can also download my FREE Simple Static IP tool to set it for you.
Today is October 14, 2015 so that means that 180 days before today would be April 17, 2015.
The time 18:05 is commonly pronounced either eighteen oh five or five past eighteen. In U.S. military usage, a leading zero for the hours before 10:00 is pronounced as well, as in oh three oh five or as zero three zero five for 03:05, but this would be considered unusual in a civilian setting.