The best time to call will be between 6PM and 9PM tonight in whatever time zone you're calling in so you're sure to get people at home.
Grumble...grumble....I come home from a hard days work, and the phone rings off the hook just when I'm ready to sit down and enjoy my dinner and watch my favorite tv program!
If they do, no one has ever told me they resent it. I think since these are Republican voters and many Republicans appreciate what's at stake in this election they're appreciative of your efforts.