Description
Icon
When you hover over the Gantt chart with the mouse, a indicator appears to show you the exact date marked.
Button available 
Manage the schedule display - Via the menu ‣ in the upper-right corner
When you hover over the Gantt chart with the mouse, a indicator appears to show you the exact date marked.
Button available Manage the schedule display - Via the menu ‣ in the upper-right corner