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Date Difference Calculator

Calculate exact difference between two dates with precision. Years • Months • Days • Hours • Minutes • Seconds

152,342+ Calculations Done
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How to Use Date Difference Calculator?

1

Select Start Date

Choose the beginning date from the calendar

2

Select End Date

Choose the ending date (defaults to today)

3

Click Calculate

Press the calculate button for instant results

4

Get Results

View detailed difference in all time units

Frequently Asked Questions

Is this date difference calculator accurate?

Yes, it calculates exact difference including leap years, different month lengths, and provides results down to seconds.

Can I calculate age using this tool?

Yes! Enter birth date as start date and today's date as end date to calculate exact age in years, months, and days.

Does it include time in calculation?

Yes, it calculates hours, minutes and seconds as well. The default time is 00:00:00 for both dates.

Is this tool mobile friendly?

Absolutely! It works perfectly on all devices including mobile phones, tablets, and desktop computers.

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