日付計算機
日付間の日数、週、月を計算
日付計算機
How to Use
- Choose Difference or Add Days mode
- Enter your date(s)
- Click Calculate to see the result
FAQ
How do I calculate days between two dates?
Enter a start date and end date, then click Calculate. The tool shows the difference in days, weeks, months, and years.
Can I add days to a date?
Yes! Switch to the + Days mode, enter a start date and the number of days to add, then click Calculate.
Does it account for leap years?
Yes, the calculator correctly handles leap years in all calculations.