{
  "id": "days-until-thanksgiving",
  "version": "e11835d6eb9d",
  "status": "published",
  "name": "Days Until Thanksgiving",
  "question": "Days until Thanksgiving",
  "summary": "Counts the days from today, or any date you choose, to the next Thanksgiving, with its date and day of the week.",
  "category": "days",
  "subcategory": "countdowns",
  "url": "https://www.acalculator.org/days/days-until-thanksgiving",
  "markdown": "https://www.acalculator.org/days/days-until-thanksgiving.md",
  "kind": "function",
  "method": "Find the first date of Thanksgiving on or after the start date, then count the days from the start date to it.",
  "assumptions": [
    "US Thanksgiving Day is the fourth Thursday of November.",
    "Start dates from January 1, 1986 to December 31, 2400 work, because the US federal holiday rules used here start in 1986.",
    "The start date itself is not counted: from the day before, the count is 1; on the day itself, it is 0.",
    "Dates are calendar days with no time of day, so a time zone or a daylight-saving change never adds or loses a day."
  ],
  "inputs": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "from": {
        "title": "Count from",
        "description": "The date to count from. Today, unless you change it.",
        "type": "string",
        "format": "date"
      }
    }
  },
  "outputs": {
    "days": {
      "label": "Days until Thanksgiving",
      "description": "Whole days from the start date to the next Thanksgiving; 0 on the day itself.",
      "format": "integer"
    },
    "date": {
      "label": "Date",
      "description": "The next date of Thanksgiving on or after the start date.",
      "format": "date-long"
    },
    "weekday": {
      "label": "Day of the week",
      "description": "The weekday of that date.",
      "format": "text"
    },
    "weeks": {
      "label": "In weeks",
      "description": "The same number of days in weeks and days.",
      "format": "text"
    }
  },
  "defaultAnswer": {
    "inputs": {
      "from": "2026-09-29"
    },
    "outputs": {
      "days": 58,
      "date": "2026-11-26",
      "weekday": "Thursday",
      "weeks": "8 weeks and 2 days"
    },
    "text": "From September 29, 2026, there are 58 days until Thanksgiving on Thursday, November 26, 2026."
  },
  "examples": [
    {
      "given": {
        "from": "2026-01-01"
      },
      "expect": {
        "date": "2026-11-26",
        "days": 329
      },
      "source": "5 U.S.C. 6103 (federal holidays), with OPM federal holiday schedules"
    },
    {
      "given": {
        "from": "2026-11-27"
      },
      "expect": {
        "date": "2027-11-25",
        "days": 363
      },
      "source": "5 U.S.C. 6103 (federal holidays), with OPM federal holiday schedules"
    }
  ],
  "sources": [
    "5 U.S.C. 6103 (federal holidays), with OPM federal holiday schedules"
  ],
  "related": [
    "days-until-black-friday",
    "days-until-winter",
    "days-until-christmas-eve",
    "days-until-christmas",
    "days-until-new-years-eve",
    "days-between-dates"
  ],
  "changelog": []
}