A task depends on two other tasks

after accepts several ids separated by spaces: Dress rehearsal :d1, after b2 b3, 2d starts after the later of the two.

The text is too small

Export at 3x or as SVG. Shorten long task names, or split a long timeline into two charts.

Can I add an owner to each task?

Write it into the task name: Venue and vendors (Admin, Sam). Mermaid Gantt charts have no separate owner field.

Event Planning Gantt Chart Template

Event preparation schedule in five sections (planning, preparation, promotion, execution, wrap-up) with venue, programme and materials running in parallel and the event day as a milestone. Free PNG, Word and PowerPoint export.

Previewed in the “Cinnabar” theme; you can switch themes in the editor

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When to use it

Company events, campus events, product launches and conferences. Three preparation tracks run in parallel (venue, programme, materials), promotion overlaps with preparation, and the event day is a milestone.

Making it yours

Change the event name on the title line and the start date on the first task.
Swap the preparation tasks for your event type: booth construction and exhibitor recruitment for a trade show; registration, heats and finals for a competition.
Add crit, to highlight a track.

Mermaid code

gantt
    title Annual event preparation
    dateFormat YYYY-MM-DD
    axisFormat %m-%d
    todayMarker off
    section Planning
    Theme and budget :a1, 2026-11-02, 5d
    Plan review :a2, after a1, 2d
    section Preparation
    Venue and vendors :b1, after a2, 10d
    Programme and rehearsals :b2, after a2, 20d
    Materials design and print :b3, after b1, 10d
    section Promotion
    Invitations and registration :c1, after b1, 12d
    section Execution
    Dress rehearsal :d1, after b2, 2d
    Event day :milestone, d2, after d1, 0d
    section Wrap-up
    Settlement and retrospective :e1, after d2, 5d

Ask an AI for one with this structure

Send the prompt below to ChatGPT or Claude, then paste the whole reply into the editor; the code inside is detected automatically.

Draw an event preparation schedule as a Mermaid gantt chart with dateFormat YYYY-MM-DD and five sections: Planning, Preparation, Promotion, Execution, Wrap-up. Theme and budget 5 days, plan review 2 days; venue and vendors 10 days, programme and rehearsals 20 days (in parallel with venue), materials design and print 10 days; invitations and registration 12 days; dress rehearsal 2 days and event day as a milestone; settlement and retrospective 5 days. Start on 2026-11-02. Output only the mermaid code block.

FAQ

A task depends on two other tasks: after accepts several ids separated by spaces: Dress rehearsal :d1, after b2 b3, 2d starts after the later of the two.
The text is too small: Export at 3x or as SVG. Shorten long task names, or split a long timeline into two charts.
Can I add an owner to each task?: Write it into the task name: Venue and vendors (Admin, Sam). Mermaid Gantt charts have no separate owner field.

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Updated 2026-09-05