Days Calculator: Days Between Two Dates | Free Online Tool
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Days Calculator: Days Between Two Dates

Calculate the exact number of days, weeks, or months between two dates instantly with our free online tool

Add time fields Count only workdays
Duration Between Dates
Total Days
0 days
0
Years
0
Months
0
Days
0
Months
0
Days
Alternative Time Units
  • Total Seconds: 0
  • Total Minutes: 0
  • Total Hours: 0
  • Total Days: 0
  • Weeks + Days: 0 weeks 0 days
  • % of Year (365 days): 0%
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How to Use Days Calculator Tool?

Our free online days between two dates calculator is simple and intuitive to use. Follow these steps to calculate date durations:

Tip: Bookmark this page for quick access to your date calculations anytime!

  1. Enter the start date - Select the beginning date using the date picker
  2. Enter the end date - Select the ending date using the date picker
  3. Choose calculation options - Check "Include end date" to add 1 day to your calculation
  4. Click "Calculate Duration" - Get instant results showing the time span between dates

Our date duration calculator automatically accounts for leap years and varying month lengths, ensuring accurate results every time.

What Can You Calculate with This Tool?

Our time difference calculator online provides multiple ways to understand the duration between two dates. Here's what you can calculate:

Exact Days

Calculate the precise number of days between two dates, including or excluding the end date.

Workdays

Determine business days between dates (excluding weekends and holidays).

Age Calculation

Calculate someone's exact age in years, months, and days since their birth date.

Project Deadlines

Determine how many days remain until a project deadline or important event.

Common Use Cases for Date Calculations

  • Event Planning: Calculate days until weddings, birthdays, or vacations
  • Financial Planning: Determine interest periods or investment durations
  • Academic Use: Calculate time between historical events or assignment due dates
  • Project Management: Track project timelines and milestones
  • Personal Goals: Count days for fitness challenges, habits, or special diets

Frequently Asked Questions

How accurate is this day count tool?

Our calculator is 100% accurate, accounting for leap years and the exact number of days in each month. It uses JavaScript date calculations for precision.

Can I calculate business days with this tool?

While the current version counts all calendar days, we're adding a workday calculator feature soon that will exclude weekends and holidays.

Does the calculator work for dates in the past?

Yes, our tool works for any dates - past, present, or future. Enter any valid dates to calculate the duration between them.

Is there a limit to how far apart dates can be?

No, you can calculate the difference between any two dates, regardless of how far apart they are.