How do I use DAY in Excel?
Use DAY when you want to extract the day from a date. Enter Date cell in that order, then add optional arguments when needed.
Excel Function
DAY
Extracts day from a date.
DAY(serial_number)Arguments
serial_number
RequiredEnter a date/reference-related value.
Practice Preview
Use DAY to return the result with these settings (Date cell: B2 (cell B2 (Start Date in column B))).
Example Table
| # | 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)
=DAY(B2)Result
1
Practice This Function
DAY FAQ
Where can I practice DAY?
Use the "Start Function Practice" button to jump straight into DAY drills.
What arguments does DAY use?
The main arguments are Date cell. Enter them in order.