Date & time
WEEKDAY
Day of the week as a number. Type 2: Mon = 1.
Syntax
WEEKDAY(serial_number, [return_type])Example: =WEEKDAY(A2,2)
Available in: All versions
Try it
A tiny spreadsheet with example data. Edit the formula or any number and see the result.
Formula in F2: =WEEKDAY(A2,2)
| A | B | C | D | E | F | |
|---|---|---|---|---|---|---|
| 1 | Start | End | Holiday | Time | Result | |
| 2 | 3/15/2026 | 6/20/2026 | 5/1/2026 | 14:45 | 7 | |
| 3 | 1/31/2026 | 2/28/2026 | 5/9/2026 | 09:30 | ||
| 4 | 12/24/2025 | 1/9/2026 |
Result in F2: 7