The taskResizingStartEndFormat property (string) specifies the date/time format to be used by the JavaScript Gantt Chart target position indicators during task box resizing. The indicators can be enabled using taskResizingStartEndEnabled property.
The string uses the format described in the DayPilot.Date.toString() method documentation.
"MMMM d, yyyy"Gantt Chart config:
{
taskResizingStartEndFormat: "h:mm tt",
// ...
}