How long do you spend outside with your kids every day?

My 3.5 year old CONSTANTLY wants to be outside. He asks from morning until night. I try to spend at least an hour or so outside with him every day but it’s just not realistic to play outside all day every day. Inside I truly try to give him free reign with things and give him things to do but he just whines and cries by the door. It’s so annoying. I don’t want to be outside all day pushing him on the swing. That may sound selfish but am I supposed to give in to whatever he wants to do 24/7? I feel like he already dictates so much of my life lol. We will ride our bikes, play on the play set, dig in the sand, etc. outside. He just doesn’t wear out and fights me like hell when I tell him it’s time to go in.