> ## Documentation Index
> Fetch the complete documentation index at: https://docs.flystack.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Timezones

> List IANA timezones with country codes and offsets (GMT/DST).

Use this endpoint when you need to translate time between users’ time zones and airport time zones, or compute durations consistently across locations.

### Authentication

<ParamField header="x-api-key" type="string" required={true}>
  Your FlyStack API token. You can create one from the dashboard (see [Authentication](/authentication)).
</ParamField>

### Response

The endpoint returns a list of timezones.

#### Timezones response fields

<ResponseField type="array">
  <ResponseField type="object">
    <ResponseField name="timezone" type="string">
      IANA timezone name (e.g., `Europe/Paris`).
    </ResponseField>

    <ResponseField name="country_code" type="string">
      ISO-2 country code.
    </ResponseField>

    <ResponseField name="gmt" type="number">
      GMT offset (hours).
    </ResponseField>

    <ResponseField name="dst" type="number">
      DST offset (hours).
    </ResponseField>
  </ResponseField>
</ResponseField>

<ResponseExample>
  ```json Response theme={null}
  [
    {
      "timezone": "Europe/Paris",
      "country_code": "FR",
      "gmt": 1,
      "dst": 2
    }
  ]
  ```
</ResponseExample>