Date Difference Calculator
Calculate days, weeks, months between any two dates. Working days calculator with India holiday exclusions.
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About Date Difference Calculator
Calculate exact difference between any two dates in days, weeks, and months. Option to exclude weekends to get working day count. Quick presets for last 30/90 days and this year.
Calculating the exact number of days, weeks, or months between two dates seems straightforward until you factor in different month lengths, leap years, and whether the calculation should include or exclude weekends — small assumptions that change the answer and matter a lot for anything with a real deadline or contractual timeline attached. This comes up in project planning, calculating notice periods or loan tenures, tracking pregnancy or medical timelines, and countless HR and legal contexts where an exact day count matters. This tool calculates precise differences in days, weeks, and months, with an option to exclude weekends for scenarios like calculating actual working time between two dates rather than raw calendar time.
How to use
- Enter a value and pick your source and target units — the conversion updates instantly.
- Double-check the unit abbreviations shown, since similarly-named units sometimes use different base definitions.
- Use the swap or reverse option if available to quickly flip the conversion direction.
- Chain into a related converter below if your task needs a second conversion step.
- All conversions are computed in your browser using standard, precise conversion factors.
Tool details
⚡ Next step — complete your workflow
Frequently asked questions
How to calculate working days in India?
Subtract weekends (Saturday, Sunday) and public holidays from the total calendar days between two dates.
What is the difference between calendar days and working days?
Calendar days = all 7 days of the week. Working days = only Monday-Friday, excluding public holidays.
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