---
title: "Defining a relative time interval"
canonical: "https://help.telegra.de/space/MCCE/9561348866901/Defining%20a%20relative%20time%20interval"
format: markdown
---
This is how you apply vacation lists to a relative time range:

- Check the "Use holiday lists in time range configuration" checkbox and select one or more holiday lists for consideration.

![Define relative time interval in telegra Contact Center](media://f41afb90-2a7e-4804-88e0-601cf824aab7)


- Click **Add **(+ Symbol).
- Specify the start and end times (in local time) to be included in the time interval rules.
- Check the boxes for the days of the week to be included in the rule. A time range can include several days of the week.

> 📝 - **Note**: At least one day of the week must be selected.

- Click **Save** to save this time interval rule. Each period, day and date when the time interval rule you configured is applied will now be displayed as a bar in the chart.