Depends on what kind of split you want to do and how many days you want to give in the gym
3x Split
Mon - Push (Chest/tricep/shoulder)
Tue - Rest
Wed - Pull (Back/bicep)
Thu - Rest
Fri - Legs and Abs
Sat - Rest
Sun - Rest
Can substitute rest days with cardio if you want to keep lean
You can find similar workout regime for 4x and 5x a week online
My workout plan (6x a week)
Mon - Chest & Biceps
Tue - Back and Triceps
Wed - Legs Abs and Shoulder
Same gets repeated for thur fri sat
Sunday - Rest
You can also swap Tuesday with monday as most people in the gym do Chest exercises on Mondays so you can save some time there by doing Back on day 1. Also, Most people do chest with triceps and back with biceps as these muscles are anyways involved secondary in the presses and pulls but I prefer doing Chest and bicep or Back and tricep because it gives me better results and on second day, my secondary muscles (biceps and triceps) are better rested so I can fully engage them. Gave me wonderful results