{
  "id": "days-until-labor-day",
  "version": "958ff2701db4",
  "status": "published",
  "name": "Days Until Labor Day",
  "question": "Days until Labor Day",
  "summary": "Counts the days from today, or any date you choose, to the next Labor Day, with its date and day of the week.",
  "category": "days",
  "subcategory": "countdowns",
  "url": "https://www.acalculator.org/days/days-until-labor-day",
  "markdown": "https://www.acalculator.org/days/days-until-labor-day.md",
  "kind": "function",
  "method": "Find the first date of Labor Day on or after the start date, then count the days from the start date to it.",
  "assumptions": [
    "US Labor Day is the first Monday of September.",
    "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 Labor Day",
      "description": "Whole days from the start date to the next Labor Day; 0 on the day itself.",
      "format": "integer"
    },
    "date": {
      "label": "Date",
      "description": "The next date of Labor Day 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": 342,
      "date": "2027-09-06",
      "weekday": "Monday",
      "weeks": "48 weeks and 6 days"
    },
    "text": "From September 29, 2026, there are 342 days until Labor Day on Monday, September 6, 2027."
  },
  "examples": [
    {
      "given": {
        "from": "2026-01-01"
      },
      "expect": {
        "date": "2026-09-07",
        "days": 249
      },
      "source": "5 U.S.C. 6103 (federal holidays), with OPM federal holiday schedules"
    },
    {
      "given": {
        "from": "2026-09-08"
      },
      "expect": {
        "date": "2027-09-06",
        "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-fall",
    "days-until-halloween",
    "days-until-election-day",
    "days-until-veterans-day",
    "days-until-thanksgiving",
    "days-between-dates"
  ],
  "changelog": []
}