Date & Time calculator
Day Counter - Count Days Between Dates
Count elapsed or inclusive days between two dates, with weeks and direction context.
FormulaElapsed days = absolute(end date - start date); inclusive days = elapsed days + 1
Formula
Day count formula
Day counting rules differ by contracts, courts, payroll, and filing systems. Confirm official inclusive or exclusive rules where they matter.
Elapsed days = absolute(end date - start date); inclusive days = elapsed days + 1
From 2026-07-14 to 2026-08-28 is 45 elapsed days or 46 inclusive days.
FAQ7 common questions for this calculator.
FAQs
What is the difference between elapsed and inclusive days?+
Elapsed days count the gap between dates. Inclusive days count both the start and end date.
Does this exclude weekends?+
No. It counts calendar days. Use Business Days Calculator for weekdays.
Can the dates be in either order?+
Yes. The calculator uses the absolute day count and shows the selected range.
How does the Day Counter calculate the result?+
For the Day Counter, it uses the Day count formula: Elapsed days = absolute(end date - start date); inclusive days = elapsed days + 1. From 2026-07-14 to 2026-08-28 is 45 elapsed days or 46 inclusive days.
What information do I need to use the Day Counter?+
For the Day Counter, enter the relevant dates, times, timezone, or calendar settings requested by the form. Exact dates matter because month lengths, leap years, and boundary days can change the result.
How accurate is the Day Counter?+
Day Counter is accurate for the values and assumptions entered on this page. It uses the Day count formula. Recheck the inputs before relying on the estimate.
What should I check before using the Day Counter result?+
For the Day Counter, check the date and time fields, date format, timezone, daylight-saving changes, inclusive or exclusive endpoints, and whether weekends or holidays should count.
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Date & Time guide
How to use the Day Counter
Count elapsed or inclusive days between two dates, with weeks and direction context. The page also explains the day count formula and shows a practical example: From 2026-07-14 to 2026-08-28 is 45 elapsed days or 46 inclusive days.
- 1
Enter your details
Enter weeks and direction context, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the day count formula: Elapsed days = absolute(end date - start date); inclusive days = elapsed days + 1.
- 3
Compare scenarios
Change one or more inputs to see how they affect the day Counter result before you use the estimate.