Local and instant calculation
Calculate how many days there are between two dates for events, deadlines, travel, projects or tasks. You can also use it as a day counter to a future date.
Select both dates and get the result automatically without sending information to a server.
Free date calculator
Calculate and count the calendar days between two dates for events, deadlines, travel, projects or planning.
Days between dates
Choose two dates and calculate the number of days, inclusive days and approximate weeks.
Days between dates
364
Including both dates
365
Approximate weeks
52.00
Select a start date and an end date. The tool automatically calculates the difference in calendar days, accounting for the actual length of each month and leap years. The standard result represents elapsed days between the two dates.
Some deadlines include both the start and end date, while others count only the elapsed days between them. For legal or tax deadlines, always confirm the applicable counting method.
Understanding the result
The standard difference between two dates represents the number of elapsed days from the start date to the end date.
For example, September 1 to September 15 is 14 elapsed days. If your use case includes both September 1 and September 15, the inclusive count would be 15 days.
Select a start date and an end date. The calculator returns the difference in calendar days while accounting for the actual length of each month and leap years.
The standard result represents elapsed days between the two dates. If you need inclusive counting that includes both endpoints, add one day and confirm that this method fits your use case.
This tool calculates calendar days. It does not automatically remove weekends or public holidays.
Yes. Use today as the start date and a future date as the end date to see how many calendar days remain.
Yes. The calculation uses real calendar dates and correctly accounts for leap years.
Use it as a mathematical reference. Legal, tax and administrative deadlines may use specific rules for business days, holidays or inclusive counting, so always verify the official method.
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