Is It the First Day of Summer?

Why is it the first day of summer and not the middle of summer? Yets, arbitrary. It's fine, but i always thought that was a little weird too. Ye, it just feels like, didn't it've been summer here in a lay at least it feels like it's been summer for to monthye, threee,. That's through you difference. Caro, yes, i agree. Agree.