Date Calculator
1. Find Difference Between Two Dates
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2. Add or Subtract to a Date
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How to Use This Date Calculator
Whether you are counting down the days to a vacation, calculating project deadlines, or figuring out your exact age in days, our free Date Calculator gives you precise answers instantly. It features two distinct tools built into one simple interface.
1. Find the Difference Between Two Dates
Use this section to find out exactly how much time exists between a start date and an end date.
- Select your Start Date and End Date using the calendar icons.
- Click Calculate Difference.
- The tool will instantly output the exact time gap in Years, Months, and Days, alongside the total difference in just Days. (Note: It doesn't matter which order you input the dates; the calculator will always find the absolute difference between them.)
2. Add or Subtract to a Date
Use this section to find a specific date in the future or the past based on a set timeframe.
- Select your Start Date.
- Use the dropdown menu to choose whether you want to Add (+) time to go into the future, or Subtract (-) time to go into the past.
- Enter the number of Years, Months, or Days you want to shift by. Leave the boxes as "0" if you don't need them.
- Click Calculate New Date to reveal the exact day of the week, month, date, and year.