Is it Leap Year? - Check if any year is a leap year with visual rule testing, find all leap years in a range, discover the next or previous leap year, and explore leap year patterns with an interactive calendar grid.
Leap Years List - Generate a complete list of leap years between any two years from 1600 to 4000. Visual timeline with patterns, statistics, and interactive year checker. Featured
Next Leap Year Calculator - Find the next leap year from any given year with visual timeline, leap year checker, and educational content about the Gregorian calendar 400-year cycle.
When is Leap Year? - Find out when is the last and next leap year, check if any year is a leap year, view leap year lists, and explore the leap year rules with interactive visualizations.
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