How do I use NETWORKDAYS in Excel?
Use NETWORKDAYS when you want to count working days. Enter Start date, End date, Holiday range in that order, then add optional arguments when needed.
Returns number of working days between dates.
NETWORKDAYS(start_date, end_date, [holidays])start_date
RequiredEnter a date/reference-related value.
end_date
RequiredEnter a date/reference-related value.
holidays
OptionalSpecify a reference range. You can drag or click start/end cells.
Use NETWORKDAYS to calculate business days from cell B2 (Start Date in column B) to cell C2 (End Date in column C) using Holiday in column E as holidays. You can set ranges by dragging from the start cell to the end cell in the same argument field.
| # | ATask ID | BStart Date | CEnd Date | DNotes | EHoliday |
|---|---|---|---|---|---|
| 2 | T001 | 2026/03/01 | 2026/03/05 | Standard task | 2026/03/03 |
| 3 | T002 | 2026/03/03 | 2026/03/10 | Priority task | 2026/03/06 |
| 4 | T003 | 2026/03/05 | 2026/03/12 | Standard task | 2026/03/10 |
| 5 | T004 | 2026/03/08 | 2026/03/14 | Urgent task | 2026/03/12 |
| 6 | |||||
| 7 | |||||
| 8 |
How to Use (Formula)
=NETWORKDAYS(B2, C2, E2:E5)Result
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Use NETWORKDAYS when you want to count working days. Enter Start date, End date, Holiday range in that order, then add optional arguments when needed.
Use the "Start Function Practice" button to jump straight into NETWORKDAYS drills.
The main arguments are Start date, End date, Holiday range. Start with the required ones, then add optional arguments if needed.