Select a custom graphing interval

[gbigras]

I'm still a newbie at this so please forgive me if this feature exits.

It would be cool to be able to select a custom interval for graphing archived data. For example I have a graph that measures signal-to-noise for a satellite modem. It would be nice if I could graph thevalues between Feb17 @6am and Feb19 @1am or maybe the values between 1pm and 10pm last Monday.

my $0.02