Gantt and Candlestick charts contain date-based X-axis that allow you to choose the format that suits you best: YMD, DMY, and more. (Y - year, M - month, D - day)
To select a different axis date format:
❶ Click to select the chart.
❷ Open the Axis & Grid tab in the right side settings panel.
❸ Under X-axis time format choose any of the available options.