Hi,
I suggest you use Clustered Bar chart.
For example, if you add the "Start 2“and "Finish 2” 2 series, then you will get following chart.
The Finish2 bar is longer than Start2, if Finish2 is located on top of Start2, please right click on chart > Select Data > Reverse their order, click OK.
Right click on one bar > Format Data Series > Series Overlap: 100%. By the way, please change the Bounds values of X-axis.
And then, you will get following chart.
Please set the Start2 bar to white fill color and no border line.
Then please add the just Finish1 Series in chart via right clicking chart > Select Data > Add, add the data source. But you do not need add Start1, because the Start1 starts with 0:00.
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