I agree that the calendar shouldn't make questionable assumptions. However, Scott's complaint is that he often forgets to set the timezone, resulting in signifi

I agree that the calendar shouldn't make questionable assumptions. However, Scott's complaint is that he often forgets to set the timezone, resulting in significant harm. I think that it's a fair complaint--after all, the entire point of a calendar is to reduce your mental burden. Perhaps the best solution is to make the calendar explicitly prompt for the timezone if there is any ambiguity.