When to use this calculator
Count Saturdays and Sundays in a start-inclusive, end-exclusive calendar interval. Uses a Saturday-Sunday weekend and excludes the end date. It does not classify holidays as weekends.
Explore the business days & weekends calculators for other questions in this topic. For a related calculation, use the Add Days to Date Calculator: Find the calendar date a chosen whole number of days after or before another date.
PUTTING IT INTO PRACTICE
Weekend Days Between Dates: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Start date included | 2026-10-12 |
| End date excluded | 2026-10-19 |
| Result | 2 days |
- Check the input labels and enter the example values above.
- Apply the relationship: Weekend dates = all dates in interval − Monday-to-Friday dates..
- The result is 2 days, rounded for display.
How to interpret your result
Uses a Saturday-Sunday weekend and excludes the end date. It does not classify holidays as weekends.
The default workweek is Monday to Friday. Date ranges use the inclusive and exclusive boundaries stated on each tool. No country holiday list is inferred, and special working Saturdays or weekends require a different calendar model.
Frequently asked questions
Are public holidays excluded automatically?
Only when you enter them in the holiday-list tool. Ordinary business-day tools here exclude Saturdays and Sundays but not public holidays.
When is the weekend days between dates calculator useful?
Count Saturdays and Sundays in a start-inclusive, end-exclusive calendar interval. Uses a Saturday-Sunday weekend and excludes the end date. It does not classify holidays as weekends.
How do I use the weekend days between dates calculator?
Enter start date included, end date excluded. The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Weekend dates = all dates in interval − Monday-to-Friday dates..
What should I check before using the result?
Uses a Saturday-Sunday weekend and excludes the end date. It does not classify holidays as weekends.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
Further reading
For background on this topic, see MDN: date values and calendar handling ↗. This is a topic reference, not an external review or endorsement of this tool.
Calculators Map editorial process · Updated · Methods and limitations