This event is in the "Adults" group A Brief History of Time Keeping 6:30pm–7:30pm Adults Open Registration Required This event is in the "Adults" group Dec 15 2025 Mon A Brief History of Time Keeping 6:30pm–7:30pm Adults Open Library Branch: Cromaine District Library Room: Community Room Age Group: Adults Program Type: Speaker Registration Required Event Details: Why do we have a leap day every 4 years? Why are there 60 seconds in a minute and not 100? Or seven days in a week? Why is February so short? Will we ever be done springing forward and falling back?