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Dates

Two dates affect a Gantt chart

Task Line Deadline

Each line in the editor represents a task. Commas separate task line details.

The last, third, entry on a Task Line in the editor is optional. If present, it is the task deadline.

Specified in the format YYYY-MM-DD e.g. 2026-11-19, the task will either be complete by time 23:59:59 on the specified date or a visible red vertical bar will show the task is not completed by its deadline.

Press and hold a bar on the chart to move it.

Break Date

A single date alone on a task line indicates a break. The tasks below it only begin after the specified date.

It's in the format YYYY-MM-DD e.g. 2026-10-25.

It's used in the example Wedding Gantt Chart