Open Hours

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/nylas/main/json-schema/nylas-availability-open-hours-schema.json",
  "title": "Open Hours",
  "description": "A time block when a participant is available for meetings.",
  "x-generated": "2026-10-02",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/nylas-calendar-api-openapi.yml#/components/schemas/availability_open_hours",
  "type": "object",
  "properties": {
    "days": {
      "type": "array",
      "description": "The days of the week that the open hours settings are applied to. Sunday corresponds to `0`, and\nSaturday corresponds to `6`.",
      "items": {
        "type": "integer",
        "enum": [
          0,
          1,
          2,
          3,
          4,
          5,
          6
        ]
      }
    },
    "timezone": {
      "type": "string",
      "minLength": 1,
      "description": "The calendar's time zone as an [IANA-formatted](https://en.wikipedia.org/wiki/Tz_database) string."
    },
    "start": {
      "type": "string",
      "minLength": 1,
      "description": "The start time for the open hours settings, in 24-hour time format. Nylas omits leading zeroes.\n\nThe minimum start time is `0:00`, and the maximum is `23:49`."
    },
    "end": {
      "type": "string",
      "minLength": 1,
      "description": "The end time for the open hours settings, in 24-hour time format. Nylas omits leading zeroes."
    },
    "exdates": {
      "type": "array",
      "description": "A list of dates that Nylas excludes from the account's open hours, in `YYYY-MM-DD` format.",
      "items": {
        "type": "string"
      }
    }
  }
}