Celeb Glow
news | March 16, 2026

Excel is plotting my date x-axis completely wrong, and I cannot work out why

I have a very simple Excel data set which plots 15-minute date/time segments against values.

When I try to plot it as a line graph in Excel (mac), Excel inexplicably renders the results wrongly. It seems to plot only one value for each day, and I cannot determine how it is picking which value to show.

The only way I can get it plotted correctly is by changing the data into a Pivot table and then it plots fine, even though the data is exactly the same.

You can see some sample data here with the Excel rendering:

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7

1 Answer

Try right-clicking on the data labels (i,e,e the dates on the chart), select "Format Axis". Under Axis Options -> Axis style, choose "Text Axis"

enter image description here

1

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