I grew up in the 80's and I clearly remember each of my friends and I had a specific sound that was our cue to get home for dinner or the night. My mom would ring a big bell hanging by our garage, my buddy had a whistle his parents would blow, another had his dad just yell his name and you could hear it from anywhere, and another had an air horn as his cue. I just remember playing any thing until it was almost so dark you could barely see. Specifically remember playing whiffle ball until you could no longer see the ball. At times, some bats would come out and if you tossed that white ball up, the bats would chase it back down. Really yearn for days like that when kids felt safe enough to be out on their own and parents were able to trust that their kids would be safe.
This is a great thread!