Time stamp format (HH:MM:SS) in Line chart

a!localVariables(
local!value: 2.50,
{
a!lineChartField(
label: "Line Chart",
labelPosition: "ABOVE",
categories: "Data",
series: {
a!chartSeries(label: "Data", data: local!value)
},
showLegend: true,
showTooltips: true,
allowImageDownload: true,
colorScheme: "RAINFOREST",
height: "MEDIUM",
xAxisStyle: "STANDARD",
yAxisStyle: "STANDARD"
)
}
)

Is it possible to display graph data (2.5) to time stamp format(00:02:30) in the line chart (please find the attached image I have circled the image where I need to display in time stamp format).
Please provide me the suggestions.