Tool · Last updated May 14, 2026

Leap Year Checker

Handy for planning, anniversaries, and date validation.

Leap years are the ones divisible by 4, except century years not divisible by 400.

What it does

Check whether a year has February 29.

Example

No, 2026 is not a leap year.

Check

Leap years are the ones divisible by 4, except century years not divisible by 400.

Tool How it works Gotchas Quick answers Related pages

Result

Run the tool to see the answer here.

Quick take

Check whether a year has February 29.

How it works

Three quick actions, no wall of instructions.

01

Enter the value

Type one date or year.

02

Read the answer

The result appears in the output panel.

03

Keep it handy

Use it as a quick reference or validation check.

Sample input

Year 2026

Sample output

No, 2026 is not a leap year.

Gotchas

Watch out

Using the result without checking the edge case you care about.

Watch out

Skipping holiday or daylight-saving checks when the deadline crosses one.

Watch out

Sending a shared plan before confirming the exact date and time.

Quick answers

Short answers for the edge cases people usually ask about.

What is this for?

A fast calendar reference.

Should I trust it blindly?

Confirm leap-year, week-rule, or calendar edge cases when they matter.

When should I cross-check it?

Before you share a deadline or planning note.