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Date Difference & Working Days
Calculate days, weeks, months, and business days between two dates online with our Date Difference & Working Days Calculator. Instantly plan projects, deadlines, or schedules—accurate, easy to use, and browser-based.
About This Tool
Learn what makes this tool special
Find the number of days, business days (Mon–Fri), weeks, and months between two dates with accurate Gregorian calculations. Use it for project planning, service‑level timelines, school schedules, or leave tracking—results update instantly as you pick dates. All computation is performed locally for privacy and reliability, so your data never leaves your device. Simple, accurate, and ideal for quick professional planning without opening a spreadsheet.
Key Features
What makes this tool special
- Calculate days, weeks, months, and business days between dates
- Accurate Gregorian calendar calculations
- Excludes weekends for business day count
- No registration or uploads
- Ideal for project planning and deadlines
Quick Guide
Master this tool in seconds
- 1Pick a start date and an end date.
- 2Ensure the end date is after the start date.
- 3View total days, business days, weeks, and months.
- 4Use results for timelines, SLAs, or planning.
Common Questions
Everything you need to know
Q.Does it exclude holidays?
A.
No, it excludes weekends only. Add holidays manually to your count.
Q.Which calendar is used?
A.
Gregorian calendar via date-fns.
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