# Welcome to the Highcharts Gantt JS (gantt) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# navigator.yAxis.tickPositions

An array defining where the ticks are laid out on the axis. This overrides the default behaviour of tickPixelInterval and tickInterval.

Note: When working with date-time axes, be aware of time zone handling. See the documentation on time options for best practices.