> For the complete documentation index, see [llms.txt](https://cherrycake.tin.cat/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cherrycake.tin.cat/version-0.x/reference/core-classes/engine/engine-properties.md).

# Engine properties

## $timezoneId

The system's timezone. The same as timezoneName, but the matching id on the cherrycake timezones database table.

**Default:** `532` (The `Etc/UTC` timezone id in the `cherrycake_location_timezones` table)

## $timezoneName

The system's timezone. All modules, including Database for date/time retrievals/saves will be made taking this timezone into account. The server is expected to run on this timezone. Standard "`Etc/UTC`" is recommended.

**Default:** `Etc/UTC`