Need to display user presence and absence time slot - Please Suggest the best appraoch

Heaven't done anything similar, but I'd try the following:

Schedule Chart Widget (part of ThingWorx, was introduced in ThingWorx 9)

Gantt Chart Widget (custom extension, was developed for 8.5, if I remember correctly, not sure if it works with 9.0+)

Hi @ST_9984783.

If you found the previous response to be helpful, please mark it as the Accepted Solution for the benefit of others with the same question.

Regards.

--Sharon