I get in by at least 5 probably 1hr to 1hr 30min prior to sunrise. Have also got a late start a few times and got in at about 8ish in the morning and taking my time was able to get to one of my spots and still see some deer moving to bed. Some deer dont bed down till later 9-10. If you think it may ruin your spot just go home take a nap and get out for a noon hunt. See more Does moving around from 1-3 then bucks but still have something to shoot at.
Also on the few occasions have gotten a late start will treat the way to my spot as a stop and stalk kinda situation. May take over an hour to get to my spot but also havent jumped many deer. Some guys blow it by trying to get to there spots too fast and jump deer without even knowing it.