Hey there hun, and happy b-day to your little guy and you
Well, all children are different and handle A times in a varying manners, some decrease their A times as the day progresses, while others reduce it.
At this age, I agree that an A time extensions is probably needed, so could you post your routine in EASY format to better assess? Also , how are your nights.
One more things, since your little guy is a officially a toddler now, I will move your post to the sleeping for toddlers board.