DAY Google Sheet Formula
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DAY Formula Syntax
Example Use Case
Extracting the day of the month from a date value
Understanding the DAY Formula
The DAY function in Excel extracts the day of the month (1-31) from a date value. It's a date component tool for isolation—like breaking down dates into parts or filtering based on the day number.
DAY("2023-12-15") returns 15, extracting just the day component. It takes a single date argument (as serial number or text), delivering the day of month as a number—useful for date analysis or conditional formatting.
Why Use DAY?
DAY isolates day numbers—think end-of-month reporting or day-specific conditions. Its focused extraction enables day-based sorting, filtering, or calculations, helping you work with specific days across months or years.
Example with Sample Data
| Date | Formula | Result |
|---|---|---|
| 12/15/2023 | =DAY("12/15/2023") | 15 |
| 1/1/2023 | =DAY("1/1/2023") | 1 |
| TODAY() | =DAY(TODAY()) | [Current day of month] |
DAY extracts the day number: December 15, 2023 gives 15. It's a day isolator.
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