If you have an hour to be in the stand its always worth being out there. A friend of mine works at a prison over in Indiana, and more often than not he only has maybe 45 minutes to be in stand. I have to hand it to the guy he has killed some monster bucks. I know of three bucks he's killed in just the last 7 years that scored over 180. My personal feeling is that the last hour of daylight is the best time to be in the woods anyway. A far as morning goes I used to bowhunt before School all the time, killed two deer doing that. Hope this helps some.