hour, h (unit)

{
    "$id": "https://schemas.optimade.org/defs/v1.2/units/si/1970/accepted/hour",
    "$schema": "https://schemas.optimade.org/meta/v1.2/optimade/physical_unit_definition.json",
    "title": "hour",
    "symbol": "h",
    "display-symbol": "h",
    "description": "A unit of time equal to 60 minutes, or 3600 seconds, using the 1967 base SI units.\n\nThe hour unit appears in the International System of Units (SI), 1st ed. (1970) defined as \"1 h = 60 min = 3600 s\".\n\n- The International System of Units (SI), 1st ed. (1970) categorizes the unit as \"Units in use with the International System.\"\n- The International System of Units (SI), 7th ed. (1998) changes the categorization to \"Non-SI units accepted for use with the International System.\"",
    "resources": [
        {
            "relation": "Definition in the International System of Units (SI), 1st Edition",
            "resource-id": "https://www.bipm.org/en/publications/si-brochure"
        },
        {
            "relation": "Wikipedia article describing the unit",
            "resource-id": "https://en.wikipedia.org/wiki/Hour"
        }
    ],
    "defining-relation": {
        "base-units": [
            {
                "symbol": "s",
                "id": "https://schemas.optimade.org/defs/v1.2/units/si/1960/base/second"
            }
        ],
        "base-units-expression": "s",
        "scale": {
            "numerator": 3600
        }
    },
    "x-optimade-definition": {
        "label": "hour_si_1970_accepted",
        "kind": "unit",
        "format": "1.2",
        "version": "1.2.0",
        "name": "hour"
    }
}