Days Calculator — Days Between Dates & Date Difference
The Days Calculator lets you quickly calculate the number of days between two dates or add and subtract years, months, weeks, and days from a selected date. It's perfect for planning events, tracking deadlines, calculating anniversaries, or simply understanding how much time has passed.
You can choose between two modes — find the date difference or add/subtract time — making it flexible for both everyday use and professional planning.
How the Days Calculator Works
Plan smarter, track time effortlessly, and make every day count! Our Days Calculator helps you calculate days between dates, plan deadlines, organize vacations, and better understand your timelines.
- 📅 Calculate days between dates: See exactly how many days, weeks, months, or years separate two important dates.
- 🏢 Workdays vs weekends: Plan projects or office schedules by counting only workdays.
- ⏳ Estimate approximate time spans: Quickly see weeks, months, or years between any two dates.
- ➕➖ Add or subtract time: Adjust any date by years, months, weeks, or days for deadlines, vacations, or reminders.
Frequently Asked Questions
Select "Days Between Two Dates", choose your start date and end date, then click Calculate. The tool will instantly show the total number of days and the breakdown where applicable.
Yes. Choose "Add or Subtract from a Date", enter your base date, select whether you want to add or subtract, then enter the number of years, months, weeks, or days. The calculator will show the new date.
Yes — leap years and February 29 are automatically included in all calculations, so your results are accurate.
This calculator counts all calendar days by default. If you want workdays only, simply subtract weekends or holidays manually.