His upcoming birthday is on a leap year, so he booked a dinner reservation at a restaurant in the area to celebrate with friends and family.

Source: https://www.chipchick.com/2023/12/she-asked-her-brother-to-change-the-time-of-his-birthday-dinner-to-accommodate-their-older-sisters-intermittent-fasting-schedule-but-he-refused-and-shes-furious.html

It's also worth bearing in mind that 2024 is a leap year, so there are 366 savings days in the year.

Source: https://www.dailyrecord.co.uk/lifestyle/money/start-one-penny-savings-challenge-31718157

Only time (366 days - it's a leap year) will tell.

Source: https://wnbf.com/ixp/497/p/businesses-we-need-to-see-in-2024/

“Some of us, having faced the challenges of the leap year, would like to go back to what Belarus was a year ago.

Source: https://eng.belta.by/president/view/lukashenkos-new-years-addresses-over-years-whats-changed-and-what-hasnt-164444-2023/