# Add or Subtract from Date

> `UiPath.Activities.System.Date.AddOrSubstractFromDate`

`UiPath.Activities.System.Date.AddOrSubstractFromDate`

The **Add or Substract from Date** activity allows you to modify a DateTime input by adding or subtracting a specific unit of time. The output is saved in a DateTime variable.

## Project Compatibility

**Windows** | **Cross-Platform**

## Configuration

* **Source Date** - Date type value to be modified. Click on the "`+`" button next to the field to select the type of input you want to use.
* **Operation** - The operation to be performed on the source date. The available options are:
  + **Add** - Adds the amount of units specified in the configuration.
  + **Substract** - Substracts the amount of units specified in the configuration.
* **Unit** - The unit to be added or substracted from the source date. The default available options are.
  + **Seconds**
  + **Minutes**
  + **Hours**
  + **Days**
  + **Weeks**
  + **Months**
  + **Years**
* **Amount** - The amount of units to be added or substracted from the source date. You can use the widget to configure this or click on the "**+**" button next to the field to select the type of input you want to use.
* **Preview** - A preview of the output.

## Properties Panel

* **The modified DateTime** - The output of the activity saved as a DateTime variable. Click on the "`+`" button next to the field to select the type of output.