Date Calculator Online
Free Date Difference Calculator - Calculate Days Between Dates, Add Subtract Days
Calculate date differences, business days, add or subtract days, weeks, months, years
Common Uses
History
No history yet
Date Difference
Days between dates
Add/Subtract
Date arithmetic
Business Days
Exclude weekends
Quick Presets
Common durations
Why Use Our Date Calculator?
Calculate Days Between Dates
Find the exact number of days, weeks, months, and years between two dates. Perfect for project planning, age calculation, and deadline tracking. Includes business days calculator.
Add or Subtract Days
Add or subtract years, months, weeks, and days from any date. Calculate future dates for contracts, subscriptions, or appointments. Exclude weekends for business calculations.
Business Days Calculator
Count working days between dates, excluding weekends. Essential for project management, delivery schedules, and business planning. Accurate business day calculations.
Quick Date Presets
Use quick presets for common durations: 1 week, 2 weeks, 1 month, 3 months, 6 months, or 1 year. Perfect for recurring billing, subscription management, and event planning.
What is Date Calculator?
Calculate the exact number of days, weeks, months, or years between any two dates. Ideal for project timelines, deadline tracking, contract durations, and anniversary countdowns. Get precise date calculations instantly.
Key Features
Days Between Dates
Calculate exact number of days between two dates
Multiple Units
View results in days, weeks, months, or years
Business Days
Option to exclude weekends and holidays
Countdown
See days until a future date
Date Math
Add or subtract days from any date
Time Included
Optional hours and minutes precision
Perfect For
→Project deadline and timeline tracking
→Contract and lease duration calculations
→Event planning and countdown
→Payroll and financial period calculations
→Medical and pregnancy tracking
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Frequently Asked Questions
Enter the start date and end date, then click Calculate. The tool will show you the exact number of days, weeks, and months between them.
❓ Have another question? Feel free to contact us and we'll be happy to help!
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