 Circle K is hosting another nationwide Circle K Fuel Day. On Thursday, May 23, 2024, customers can save up to 40 cents off each gallon of fuel between 4 p.m. and 7 p.m. local time. The discount is applied directly at the pump. Circle K is offering this discount to thank customers and help fuel their Memorial Day weekend trips. In honor of Memorial Day, 10% of the profits from fuel sales during the Fuel Day event will be donated to Circle K's nonprofit partner,