Krispy Kreme Celebrates Leap Day with $2.29 Dozen Doughnuts and Freebies for 'Leapers'
• Krispy Kreme offering dozen doughnuts for $2.29 on Leap Day (Feb. 29)
• Free doughnut for those with Feb. 29 birthday (with proof)
• Leap Day happens every 4 years to account for 365.25 days in Earth's orbit
• Only about 5 million people worldwide have a Feb. 29 birthday
• Next 5 Leap Years 2028, 2032, 2036, 2040, 2044