This sample visualizes the summary of user activities in GitLab account such as merge requests, push events and comments across 52 weeks in a year.
In this example, you can see how to display a calendar data using heatmap. You can make the axis labels to display at specific time intervals along the datetime axis using the showLabelOn property.
The tooltip is enabled in this example. To see the tooltip in action, hover the mouse over an item or tap an item on touch-enabled devices.