localTime.vl

{
    "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
    "data": {
        "format": {
            "parse": {
                "date": "date:'%d %b %Y %H:%M'"
            }
        },
        "values": [
            {
                "date": "28 Oct 2017 22:00",
                "value": 1
            },
            {
                "date": "28 Oct 2017 23:00",
                "value": 2
            },
            {
                "date": "29 Oct 2017 00:00",
                "value": 3
            },
            {
                "date": "29 Oct 2017 01:00",
                "value": 4
            },
            {
                "date": "29 Oct 2017 02:00",
                "value": 5
            },
            {
                "date": "29 Oct 2017 03:00",
                "value": 6
            },
            {
                "date": "29 Oct 2017 04:00",
                "value": 7
            }
        ]
    },
    "encoding": {
        "size": {
            "value": 500
        },
        "x": {
            "axis": {
                "format": "%d %b %H:%M"
            },
            "field": "date",
            "scale": {
                "type": "time"
            },
            "timeUnit": "yearmonthdatehours",
            "type": "temporal"
        },
        "y": {
            "field": "value",
            "type": "quantitative"
        }
    },
    "mark": "circle",
    "width": 800
}