Everything was scheduled for 2AM, which is time-change time, and we also had many signs, blog posts, etc., reminding people that they needed to spring forward. Also, we referred to it all as Interstitial Programming.

The cultural knowledge that Fritz Leiber is dead was quite clear, because he was Ghost of Honor. (We always have a posthumous honored guest.) But again, this is something seriously worth thinking about -- and asking con members about.