Gannt Chart for Seconds with several actors

Hi! I have 5 kind of speakers and their start point and ending point thus duration of speech and now I want to plot it like GANTT chart in one figure.
I have been through Gantt chart using data in milliseconds but canโ€™t understand.
Can anyone help?

Hi

Try out the new timeline from plotly express.
Gives you more options.
Plotly docs

Examples here

Gantt Charts

Hope that helps