12 May 2026: Dunkin’: Dozen Day Donut Promotion – Buy 9 and Get 3 Free Sweet Treats at All Outlets by JR 5/May/2026 Enjoy Dunkin’s Dozen Day on 12 May 2026 with a sweet deal – buy 9 donuts and get 3 free. A simple and satisfying promotion perfect for sharing with family, friends, or colleagues across Singapore. Read more
