---
title: "system.date.isBetween"
description: "Compares two dates to see if a target date is between two other dates."
---

# system.date.isBetween

> Compares two dates to see if a target date is between two other dates.

This function is used in **Python Scripting**.

## Description

Compares two dates to see if a target date is between two other dates; checks to see if the target date is between the other two dates.

## Client Permission Restrictions

This scripting function has no [Client Permission](ignition-modules\vision\vision-project-properties\vision-project-properties.md#vision-permissions-properties) restrictions.

## Syntax

`system.date.isBetween(target_date, start_date, end_date)`

### Parameters
Type | Parameter | Description 
------- | ------- | -------
Date | `target_date` | The date to compare.
Date | `start_date` | The start of a date range.
Date | `end_date` | The end of a date range. This date must be after the start date.

### Returns
**Boolean** - True if target_date is >= start_date and target_date <= end_date, false otherwise.

### Scope
Gateway, Vision Client, Perspective Session

## Coding Examples

```python title="Code Snippet"
# This will compare if the first date is between the other dates, which it is not.
# Note that if the end date is before the start date, this function will always return False
  
target = system.date.getDate(2017, 4, 28)
start = system.date.getDate(2017, 3, 22)
end = system.date.getDate(2017, 4, 22)
print system.date.isBetween(target, start, end) #Will print false.
```