The Disneyland is small (at least compared to Paris Disneyland)   so one day is enough if you are visiting on a weekday.On weekends, use the fast track facility to utilize your time efficiently.Tips for visitors.  Visit on weekday (avoid weekends and holidays)  Carry food with you   you can save time and money.  Carry water bottles   can save time and money. Drinking water available in few places for refilling your water bottles.  Avoid the photo with Mickey Mouse at entrance   Mickey will be available at various places during day. Saw lots of people wasting time for the photo   where I waiting for 2 minutes to get the photo near Grizzle Gulch attraction.  If you see long queue for any attraction, take fast track pass and come back later.