Active Questions
Non-default cellDuration causes Calendar scroll position to change.
Answered: This issue should be fixed now in the latest sandbox build (2025.2.639):
Events displayed only on 30 minute boundaries?
I am using a Day calendar and adding events to it. It seems like my events are always “snapped” to half-hour boundaries. E.g., if I have an event with a start time of 10:18 and end time of 11:18, on ...
Issue with Hiding Non-Business Hours Spanning Two Days in DayPilot Scheduler
Answered: The onIncludeTimeCell logic should look like this (it works for two days and scale="Hours"): onIncludeTimeCell: (args) => {
const businessStart = 21; // 9 PM (21:00)
const businessEnd = 6; ...
Hovering a draggable event and change row background-color
Answered: Sorry for the delay. This can be done like this: const scheduler = new DayPilot.Scheduler("scheduler", {
onRowMouseOver: args => {
if (app.dragging) {
args.row.cells.all()....
Facing issue while exporting data in RTL
Answered: Unfortunately, the image export is not supported in the RTL mode at the moment. It’s in the plan, but we can’t promise any delivery date.
Can't seem to be able to install with npm
Answered: We are upgrading the infrastructure and there was a temporary issue that has been resolved now. Please let me know if the problem persists.
Guest calendar
Answered: Please take a look at this tutorial: JavaScript Calendar in Read-Only Mode (Open-Source)
on gantt row expand
Answered: Since version 2025.1.5435, it is possible to handle these actions using these new events: onRowCollapse onRowExpand
How to drag events to queue on iPad, currently it does not trigger events
How to drag events to queue on iPad, currently it does not trigger events
change the Gantt link shape
Answered: Yes, you can use the same property (linkShape) in the Gantt Chart.
when custom theme link is not proper
When custom theme gantt chart, link between task is not displayed properly arrow is replayed like a semicircle
Is it possible to add custom html and css to the daypilot gantt?
Answered: You can use the onBeforeTaskRender event handler to customize the task boxes. This event will let you set custom color easily. {
onBeforeTaskRender: (args) => {
args.data.box.backColor = "#cc...
How to handle the progressBar per row in scheduler Angular
Answered: You can take a look at the JavaScript Scheduler: Resource Utilization Chart for Rows tutorial:
is it possible to edit the event
Answered: Please see here: https://forums.daypilot.org/question/6575/is-it-possible-to-edit-gantt-chart-event
Is it possible to edit gantt chart event
Answered: Yes, it is possible to activate inline editing mode for the row headers, or you can open a modal dialog with task details on click (see Task Editing).
ExcelJS is not an optional property in the scheduler config
Answered: Thanks for reporting the problem. This issue has been fixed in a special release (2025.1.6429), which is now available.
overriding event start/end in moving to snap to a certain time isn't being reflected in the event overlap handling
Answered: It looks like you are using an older version - could you please give it a try with the latest release?
How to groupBy?
Answered: You can create custom time header segments using the method described in this tutorial: JavaScript Scheduler: Custom Time Header Segments
Excel export for Gantt?
Answered: Hi Leo, Sorry for the delay. Gantt export to Excel in the works and it will be available soon.
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