Day Counter
Days = End date − Start dateNon-leap year: 364 days
Free online tool
Day Counter
Enter a start date and end date to find the total days between them.
Instant calculation
Day Counter
Enter a start date and end date to find the total days between them.
Your result
Calculation
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
How to use this calculator
- 01
Enter start date
Type the year, month and day for the start.
- 02
Enter end date
Type the year, month and day for the end.
- 03
See day count
Calculate to see total days between the dates.
The formula
How this calculation works
Counts every calendar day between the two dates. Handles leap years automatically.
Check the method
Worked examples
Each example follows the same formula used by the calculator.
Days from Jan 1 to Dec 31, 2026?
Non-leap year: 364 days364 daysCommon questions
Questions about this calculation
What is the Day Counter?
The Day Counter helps you count the number of days between two dates. Enter your values and select Calculate to get an instant result.
How is the result calculated?
Counts every calendar day between the two dates. Handles leap years automatically.
Can you show an example?
Example: Days from Jan 1 to Dec 31, 2026? — 364 days.
Is my data saved when I use the Day Counter?
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Is the Day Counter free to use?
Yes. The Day Counter is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
Continue calculating