AddEvent Timezones API

openapi: 3.2.0
info:
  version: v2.14.0
  title: Calendar and Event Timezones API
  contact:
    name: AddEvent Inc
    email: support@addevent.com
servers:
- url: https://api.addevent.com/calevent/v2
security:
- bearerAuth: []
tags:
- name: Timezones
paths:
  /timezones:
    get:
      operationId: list-timezones
      summary: List timezones
      tags:
      - Timezones
      description: Returns a list of timezones that are supported by AddEvent. The timezones are returned sorted by their offset from UTC, from negative offsets to positive.
      security:
      - {}
      responses:
        '200':
          $ref: '#/components/responses/200-timezones'
components:
  schemas:
    timezone:
      type: object
      properties:
        name:
          type: string
          description: The timezone's name. This is the value that should be used in the `timezone` property when creating/updating an event or a calendar.
        local_time:
          type: string
          description: The local time in the timezone when the response is generated.
        is_dst:
          type: boolean
          description: Whether or not the timezone is currently observing daylight savings time.
        utc_offset:
          type: integer
          description: The difference in minutes between UTC (formerly GMT) and the timezone. Shows `-` to indicate a negative difference.
        utc_offset_hours:
          type: string
          description: The difference in hours between UTC (formerly GMT) and the timezone. Shows `-` or `+` to indicate a positive or negative difference.
        tzid_abbr:
          type: string
          description: Abbreviation for the timezone. This is typically the three letter acronym that is used when displaying the timezone e.g. `PST`, `CET`. This value should not be used in the timezone property when creating/updating an event or calendar.
  examples:
    timezones:
      value:
      - name: Pacific/Midway
        local_time: '2023-11-23 04:34:46'
        is_dst: false
        utc_offset: -39600
        utc_offset_hours: '-11:00'
        tzid_abbr: SST
      - name: Europe/Dublin
        local_time: '2023-11-23 15:34:46'
        is_dst: true
        utc_offset: 0
        utc_offset_hours: +00:00
        tzid_abbr: GMT
  responses:
    200-timezones:
      description: Ok
      content:
        application/json:
          schema:
            type: array
            items:
              $ref: '#/components/schemas/timezone'
          examples:
            List of timezones:
              $ref: '#/components/examples/timezones'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: APIkey
      description: Your API key can be found on your AddEvent account page - https://dashboard.addevent.com/account/settings
x-provenance:
  method: searched
  source: https://docs.addevent.com/reference
  harvested: '2026-10-27'
  tool: harvest-readme-openapi.py
  note: Assembled verbatim from the OpenAPI definition ReadMe embeds in each operation page of the provider's developer portal; paths and components merged by API title, nothing authored.
  assembled_from:
  - https://docs.addevent.com/reference/create-calendar.md
  - https://docs.addevent.com/reference/create-event.md
  - https://docs.addevent.com/reference/create-rsvp-attendee.md
  - https://docs.addevent.com/reference/delete-calendar-subscriber.md
  - https://docs.addevent.com/reference/delete-calendar.md
  - https://docs.addevent.com/reference/delete-event.md
  - https://docs.addevent.com/reference/delete-rsvp-attendee.md
  - https://docs.addevent.com/reference/list-calendar-templates.md
  - https://docs.addevent.com/reference/list-event-templates.md
  - https://docs.addevent.com/reference/list-rsvp-forms.md
  - https://docs.addevent.com/reference/list-timezones.md
  - https://docs.addevent.com/reference/retrieve-calendar-subscriber.md
  - https://docs.addevent.com/reference/retrieve-calendar.md
  - https://docs.addevent.com/reference/retrieve-event.md
  - https://docs.addevent.com/reference/retrieve-rsvp-attendee.md
  - https://docs.addevent.com/reference/search-calendar-subscribers.md
  - https://docs.addevent.com/reference/search-calendars.md
  - https://docs.addevent.com/reference/search-events.md
  - https://docs.addevent.com/reference/search-rsvp-attendees.md
  - https://docs.addevent.com/reference/update-calendar.md
  - https://docs.addevent.com/reference/update-event.md
  - https://docs.addevent.com/reference/update-rsvp-attendee.md
  merge:
    pages: 22
    deduped: 129
    conflicts_kept_first: 0