MARZDate Difference Calculator
Find the number of days, weeks, or months between two dates.
Loading tool…
About this tool
Pick a start and end date to see the exact difference in days, weeks, months, and years — useful for deadlines, contracts, and planning.
How to use
- Select a start date and an end date.
- The difference is calculated instantly in multiple units.
- Toggle whether to include the end date in the count.
FAQ
Can the end date be before the start date?
Yes — the calculator will show the difference as a positive number and note the direction.
Does it include or exclude the end date?
By default the end date is excluded (like counting nights in a hotel stay); use the toggle to include it.