QGIS/resources/function_help/json/make_date

{
  "name": "make_date",
  "type": "function",
  "groups": ["Date and Time"],
  "description": "Creates a date value from year, month and day numbers.",
  "arguments": [{
    "arg": "year",
    "description": "Year number. Years 1 to 99 are interpreted as is. Year 0 is invalid."
  }, {
    "arg": "month",
    "description": "Month number, where 1=January"
  }, {
    "arg": "day",
    "description": "Day number, beginning with 1 for the first day in the month"
  }],
  "examples": [{
    "expression": "make_date(2020,5,4)",
    "returns": "date value 2020-05-04"
  }],
  "tags": ["year", "date", "month", "numbers", "day"]
}