Hi.
You can define display units in area.displayUnits.
And use navigation.initialDisplayPeriod to define that, e.g., 5 months should be displayed.
Sample:
area: {
displayUnits: [
{ unit: "1 m", name: "minute" },
{ unit: "1 h", name: "hour" },
{ unit: "1 d", name: "day" },
{ unit: "1 w", name: "week" },
{ unit: "1 M", name: "month" },
{ unit: "3 M", name: "quarter" },
{ unit: "5 M", name: "5 months" },
{ unit: "1 y", name: "year" }
]
},
navigation: {
initialDisplayUnit: "1 M",
initialDisplayPeriod: "5 M"
}
Here is a reference to our documentation navigation.initialDisplayPeriod :
https://zoomcharts.com/developers/en/time-chart/api-reference/settings.html#doc_navigation.initialDisplayPeriod
Is this what you want?