8:30-9:00. The hour numbers are placed at the :00 for that hour.
hm . . . and here I was figuring that to be the lower probability answer, even though I think I prefer that version of the world. But what you need to make that work is having the hour-line be thicker than the half-hour line; that way, the eye will group the 8:30-9:00 row by itself and the next two rows (9:00-9:30,9:30-10) together, and then it's clear that the row numbers are labeling hour lines rather than being centered on hour intervals.
That gives me another idea: placing the start and end times within the boxes.
bleah. That 10:00 on Monday is actually above the 10:00 line? I tend to see that as extending to 10:30 or something. Also doesn't help that the later hours are vertically contracted, so any visual cues based on the height of the boxes are useless (first slot on monday is 90 minutes but the first slot on Tuesday is 2 hours and they're the same height? bleah.)
(no subject)
Date: 2010-05-06 00:21 (UTC)bleah. That 10:00 on Monday is actually above the 10:00 line? I tend to see that as extending to 10:30 or something. Also doesn't help that the later hours are vertically contracted, so any visual cues based on the height of the boxes are useless (first slot on monday is 90 minutes but the first slot on Tuesday is 2 hours and they're the same height? bleah.)