Busan Modern & Contemporary History Museum's main building and annex are open 09:00–18:00, with regular museum entry ending at 17:00. Admission is free. The main building's children's experience room, Deullak-Nallak, uses separate timed reservations, listing seven 50-minute sessions beginning at 09:30, 10:30, 11:30, 14:00, 15:00, 16:00 and 17:00.
Even with a reservation, visitors cannot enter the activity room once 20 minutes have elapsed after their session begins. Arrive early. Monday closures and holiday exceptions apply. The official visitor information also lists two wheelchairs and two strollers available for loan, subject to availability. Check live booking capacity and equipment stock separately.