It looks like scp allows for variables, maybe you could set date as a variable?
$ /usr/bin/scp
sourceID@sourceBOX:/home/sourceID/.forward /home/targetID/.forward-$TEST
.forward 100% 305 0.3KB/s 00:00
$ ls -la
total 64
drwx------ 4 targetID targetID 4096 Aug 8 12:01 .
drwxr-xr-x 37 root root 4096 Aug 3 13:57 ..
-rw------- 1 targetID targetID 816 Aug 8 11:45 .bash_history
-rw-r--r-- 1 targetID targetID 24 Aug 1 11:37 .bash_logout
-rw-r--r-- 1 targetID targetID 176 Aug 1 11:37 .bash_profile
-rw-r--r-- 1 targetID targetID 124 Aug 1 11:37 .bashrc
drwxrwxr-x 2 targetID targetID 4096 Aug 8 11:45 Crontab
-rw-r--r-- 1 targetID targetID 305 Aug 8 11:45 .forward
-rw-r--r-- 1 targetID targetID 305 Aug 8 12:01 .forward-test