Workdays Between Dates
Count weekdays (Monday to Friday) between two dates.
About Workdays Between Dates
Looping day by day, weekends are counted and subtracted from the total to yield the number of working weekdays. Project timelines and service level agreements are defined in business days, not calendar days.
Formula
Workdays Between Dates
Workdays = total days - weekends, counting Saturday and Sunday only
- weekend
- Saturday and Sunday excluded from the workday total
Worked example
With the default values below, Workdays Between Dates returns Workdays of 15. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Start year
- 2,025
- Start monthaccepts 1–12
- 1
- Start dayaccepts 1–31
- 6
- End year
- 2,025
- End monthaccepts 1–12
- 1
- End dayaccepts 1–31
- 24
Results
- Workdays
- 15
- Weekend Days
- 4
- Total Days
- 19
Step by step
- 1Values used
- 2Workdays Between Dates
- 3Workdays= 15
- 4Weekend Days= 4
- 5Total Days= 19
Assumptions and limits
- The result is derived only from the 6 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to whole numbers, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Workdays Between Dates calculated?
Workdays = total days - weekends, counting Saturday and Sunday only Looping day by day, weekends are counted and subtracted from the total to yield the number of working weekdays.
Why does Workdays Between Dates matter?
Project timelines and service level agreements are defined in business days, not calendar days.
What values do I need to enter?
This calculator takes 6 inputs: Start year, Start month, Start day, End year, End month, End day. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.