Date duration
Helpful for checking how many days remain before a deadline.
🗓️
Date mathDate Duration Calculator
Calculate the distance between two dates in several useful ways.
Calculate total days, weekdays, and calendar gap between two dates.
Start dateEnd date
This tool is for quick reference. Double-check important decisions with your own source data.
Calculation resultEnter values to see the result
Popular examples
Contract durationDays until a deadlineDays from project start to deadlineTotal time between vacation datesWeekdays between a contract date and renewal dateDate 30 days from todayDeadline 10 business days from todayWeeks left until an eventDays left until moving dayPayment due date 14 days after billing
🗓️
daysweeksrange
Date math
A date duration calculator for days, weeks, and weekdays
Enter a start date and end date to calculate total days, week breakdown, and weekdays between dates.
Use it for project timelines, leave periods, subscription cycles, or countdown planning when you need the gap between two dates.
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Real examples
Date Duration Calculator
Days from project start to deadlineTotal time between vacation datesWeekdays between a contract date and renewal dateDate 30 days from todayDeadline 10 business days from todayWeeks left until an eventDays left until moving dayPayment due date 14 days after billing
Date duration
Useful date duration checks
Date duration
Useful for travel planning when you want both total days and weekdays.
Date duration
Good for contracts, billing cycles, and internal planning windows.
Example inputs
Useful examples for this calculator
Project start to deadlineLeave period checkTime left until an event
Modes
Date Duration Calculator
Between dates
Calculate total days, weekdays, and calendar gap between two dates.
Add time
Add days, weeks, and months to a base date.
Business days
Skip weekends and calculate a future business-day deadline.
FAQ
Date Duration Calculator
How are weekdays counted?
Weekdays are counted by excluding Saturdays and Sundays from the range between the two dates.
What happens if both dates are the same?
The duration is shown as zero days, which can still be useful for same-day checks.