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Time axis offset problem with Gantt chart




I'm creating a Gantt chart to display the start and end times of parallel processes which may each span more than 24 hrs. The horizontal (Y-axis) is representing time (as HH:mm) and I want to use interlacing to separate each day (AxisY.Step = 1). The problem is that the tick marks are offset by 1 hr, showing 01:00 for each day. The interlacing also aligns to the 01:00 tickmarks instead of midnight (00:00). The series points are plotted correctly, it is just the labelling and interlacing that are offset.

Just a thought: I am getting the data via json and so I have to convert it to UTC in my service. My location is in time zone +1 (GMT + DST).


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