Determines the grid cell size (duration).
DayPilot.Gantt.scale (string)
The time unit values ("Minute", "Hour", "Day", "Week", "Month", "Year") apply the respective time unit.
"CellDuration" applies the number of minutes specified in cellDuration property as a time unit.
If you set scale to "Manual" it will not generate the timeline automatically but the timeline specified using timeline property will be used.
"Day"
gantt.scale = "Hour";