Formula (Extended): $DAY Function
## Overview
Find the number of days for a specified date.
## Syntax
```
$DAY(Date)
```
## Parameters
|Parameter|Type|Required|Description|
|:---|:---|:---|:---|
|Date|Date or date string in yyyy/mm/dd format|Required||
### Column Usable as Parameters
|Parameter|Classification|Numeric Value|Date|Description|Check|
|:---|:---|:---|:---|:---|:---|
|Date|Yes|No|Yes|Yes|No|
## Return Value
Number of days (1 to 31).
### Return Value Display Content
|Target|Display Content of Return Value|
|:---|:---|
|Classification (including title, status, manager, owner)|Display return value. In the case of a drop-down list with values, the options that match the return value are displayed. |
|Numeric Value (including work volume, progression rate, remaining work volume)|Display return value. |
|Date (including start and completion) |Do not display. |
|Description (including content) |Display return value. |
|Check (including lock) |Do not display. |
## Example of use ①
Specify parameters by screen column name (name displayed)
### Formula

### Parameters

### Calculation Result
