OH gosh, sounds exactly like us too. We dont have a routine but like you, he has a pattern we roughly follow each day. And yep, the minute one thing is different it seems that the rest of the day turns to mush.
Jackson also needs his cot to have good sleeps too. He will sleep in the pram or carseat but never for longer than 20 - 40 minutes.
So nope, your definitely not the only one