Date Difference Calculator
Count days, weeks, and months between two dates.
- Browser-based
- No signup
Calculators
Enter a start and end date to count business days. Weekends are excluded automatically. Optionally list holidays as YYYY-MM-DD dates to exclude those weekdays as well.
Enter dates to count weekdays, optionally excluding holidays.
Enter a start and end date to count business days. Weekends are excluded automatically. Optionally list holidays as YYYY-MM-DD dates to exclude those weekdays as well.
Use the Business Days Calculator form near the top of this page. Enter the values you know, run the tool, and review the results panel. You can change inputs and run it again. Processing stays in your browser and is not uploaded to Utilnivo servers.
Example: open Business Days Calculator, enter a realistic set of inputs for your situation, and note the primary result. Change one input—such as an amount, rate, or option—and compare how the output changes so you can choose a scenario that fits your needs.
Second example: try edge cases that matter for your task—such as zero values, a different unit system, or a second file—and confirm the tool shows a clear result or a helpful validation message.
Enter a start and end date (inclusive). Weekends are excluded automatically. Optionally list holidays as YYYY-MM-DD dates, one per line, to exclude those weekdays as well.
This tool runs in your browser for convenience. Results are estimates or transformations based on the inputs you provide and may not cover every edge case.
No. Saturdays and Sundays are excluded automatically.
Enter holiday dates as YYYY-MM-DD, one per line. Matching weekdays are excluded from the business-day count.
Yes. Both the start date and end date are counted when they fall on business days.