Summer Spring

With college when does the spring or summer session usually start?

I’m graduating this year early in December, I want to enroll in college soon after that. When does the spring session start or the summer session start? I don’t want wait until fall of next year to enroll and start classes. I tried looking on OU’S website but I didnt see any dates? On the application the just asked when do you want to apply

I’ll give you the dates for the 2 OUs in the US
University of OK: June 2 (summer), August 25th (fall), Jan 20th (spring)
Ohio: August 25 (fall), June 22 (summer), March 30 (spring)

Vixen – Edge Of A Broken Heart Summer Spring Break 89´