A new _timezone parameter is provided to facet query. This ensures correct date grouping across DST boundaries.
Add the new parameter _timezonet manually together with the rest of the parameters, namely timeRange, flats, value, and _callers while you create your facet search query template. For details, refer to Create a facet search query topic from Configuring the facet search tutorial. The parameters should look like this:

Find more information about faceted search in the following parts of the documentation:
- User guide > Filter widget
- Tutorials > Configuring the faceted search
- User guide > Examples > Query templates: Faceted search
If you are new to query templates, you may also find useful the following related topics:
- User guide > Creating a query template
- Developer guide > Query templates
