Master Gregorian Calendar Leap Years Calculation: Simple Guide & Calculator

Understanding Leap Years: Why We Need Them Ever wonder about that extra day in February every four years? It's not magic; it's mathematics! The Earth's orbit around the sun isn't perfectly 365 days; it's closer to 365.25 days. This seemingly small difference—0.25 days—adds up over time. To keep our calendar aligned with the seasons and prevent dates from drifting, we have leap years. Without them, our calendar would eventually be off by months!...

May 23, 2025 · 3 min · 609 words · Neil Gould