NextifyTools
Calculators 4 min read10 March 2025

Date Calculator: Find Days Between Dates, Calculate Age & Set Countdowns

Calculate the exact number of days, weeks or months between any two dates. Find your age in days, set exam countdown timers, and add or subtract days from any date.

How many days until your exam? How long have you been working at your company? How many weeks until your holiday? Date calculations seem simple but counting across months and years gets tricky. A date calculator does it instantly and accurately.

How to Find Days Between Two Dates

  1. 1Open NextifyTools Date Calculator (free, no sign-up)
  2. 2Select "Date Difference" mode
  3. 3Enter your start date and end date
  4. 4Get the result in days, weeks, months and years
  5. 5Toggle "Include end date" if you want to count both dates

Exam Countdown — How Many Days Until Your Exam?

Planning your exam preparation requires knowing exactly how many days you have. Enter today as the start date and your exam date as the end date. The calculator shows the exact number of days remaining — so you can divide your syllabus accordingly. Set countdown timers for UPSC Prelims, NEET, JEE, CAT, GATE and board exams.

Calculate Your Exact Age in Days, Weeks and Months

Your age is more than just years. Enter your date of birth and today's date to find your exact age in years, months, days — and even total days you have been alive. Some visa and exam applications ask for your exact age in months, which this tool calculates instantly.

Add or Subtract Days from a Date

Need to know what date falls 90 days from today? Or 6 months from a contract signing date? Use the "Add/Subtract Days" mode. Enter your base date, specify the number of days, weeks or months to add or subtract, and get the resulting date instantly. Useful for calculating EMI due dates, notice periods and project deadlines.

Frequently Asked Questions

How many days is 6 months?

Approximately 180–184 days depending on the specific months. The exact number varies because months have 28, 29, 30 or 31 days. Use the date calculator for exact results.

How do I calculate working days between two dates?

Use the "Business Days" option in the date calculator to exclude weekends. For public holidays, you will need to subtract manually.

What date is 100 days from today?

Use the date calculator's Add Days mode. Enter today's date and add 100 days to get the exact date.

How do I calculate my age for a government exam?

Enter your date of birth and the exam's official cut-off date (e.g. 1st August for UPSC). The calculator shows your exact age on that date.

Try it free — no sign-up needed

Use the Date Calculator tool directly in your browser.

Date Calculator