No, I don't this is possible now.
If this is going to be implemented consider time based traffic shaping too.
Kelly Kur wrote:
>Is it possible to do Time based filtering on m0n0wall with rules? IE.
>Between 8:00am 12:00pm No internet access for IP range of 192.168.0.120
>-192.168.0.140 etc.. Then 12:00pm -1:00pm Inet access allowed for the
>previously stated IP ranges, then after lunch no inet again.
>Outgoing mail is certified Virus Free.
>Checked by AVG anti-virus system (http://www.grisoft.com).
>Version: 6.0.708 / Virus Database: 464 - Release Date: 6/18/2004