Is 2021 a leap year?

{"url":"https://calcdate.live/leapyear/2021/","path":"/leapyear/2021","kind":"year","title":"Leap Year Checker 2021","h1":"Is 2021 a leap year?","generated_at":"2026-10-05T20:48:14+05:00","timezone":"Asia/Karachi","today":"2026-10-05","result":{"hero":{"value":"No","unit":"2021 has 365 days","sub":"February has 28 days","text":true},"stats":[{"label":"days in 2021","value":"365"},{"label":"ISO weeks","value":"52"},{"label":"first day","value":"Friday"},{"label":"last day","value":"Friday"},{"label":"weekdays","value":"261"},{"label":"Saturdays","value":"52"},{"label":"days left","value":"Over"},{"label":"complete","value":"100%"}]},"inputs":{"kind":"year","type":"leapyear","category":"year-planning","year":"2021","evergreen":""},"method":"Calendar facts are generated for 2021 from the actual month lengths, weekday positions and leap-year status of that year.","milestones":[],"workdays":[{"label":"Weekdays","value":261},{"label":"Saturdays","value":52},{"label":"Public holidays","value":"Not included unless this calculator says otherwise"}],"accuracy":["The result uses the calendar rules and time zone shown on this page.","Leap years and actual month lengths are handled by the calendar arithmetic where they affect the calculation."],"excel":{"formula":"","note":"This calculation does not have a single reliable built-in Excel/Google Sheets formula without reproducing the page’s specific time-zone or calendar rules."},"sections":[["2021 in numbers",["2021 is an ordinary year with 365 days. It begins on a Friday and ends on a Friday, and it contains 52 ISO weeks, 261 weekdays and 52 Saturdays. The next leap year after 2021 is 2024. The shortest month is February and the longest months, at 31 days, are January, March, May, July, August, October and December."]],["2021 is finished",["2021 ended on Friday, December 31, 2021, which was 1,739 days ago. All 365 days have passed, and the figures on this page are kept for reference and comparison."]],["How to use this page",["The leap-year rule exists because a solar year is about 365.2422 days. Adding a day every fourth year, skipping most century years, keeps the calendar aligned with the seasons to within a day over thousands of years."]],["Planning around the year",["Quarter one runs from January 1 to March 31, quarter two ends on June 30, quarter three on September 30 and quarter four on December 31. Payroll, tax deadlines, school terms and fiscal reporting are all built on those boundaries. If you are planning across a year end, note that Friday, December 31, 2021 is the last day and Saturday, January 1, 2022 is the first day of the next year."]],["Planning with 2021",["This page is tied to 2021. Use the displayed dates as calendar checkpoints and confirm any formal deadline against the organization or authority that controls it."]]],"summary":"Leap Year Checker 2021: No 2021 has 365 days — February has 28 days","show_method":true}