The TED format is a hard ceiling: eighteen minutes, and shorter is fine. That constraint is why the talks work — and why speakers need a timer twice: through every rehearsal, where pacing is built, and on stage, where adrenaline erases your sense of time.
This guide sets up MaestroTimer for both. The same timer that trains your pacing at home becomes the confidence monitor at the event, so the clock you perform against is the one you practiced against.
Set up the 18-minute timer
The rehearsal timer takes a minute to build and mirrors the real constraint.
The steps:
- Create a room and add a timer named after your talk, set to 18:00 — or your event's actual slot, since many TEDx slots are shorter.
- Set two wrap-up thresholds: one at three minutes left for the landing approach, one at sixty seconds for the close. The display changes appearance at each, so the warning reaches you without reading digits.
- Open the viewer link on a screen in your eyeline — a tablet past your notes, a laptop across the room — and rehearse against it, every time.
Rehearse the clock, not just the words
Timing a talk once tells you its length; rehearsing against a visible countdown teaches you where the talk bends. Note where the timer stands at each section boundary — if the demo starts at 9:00 in one run and 11:30 the next, that variance is where your overrun lives.
Practice the wrap-up thresholds deliberately: when the first color change appears, you should be entering your final section, wherever you are in the script. That reflex — adjusting to the clock instead of ignoring it — is the thing stage adrenaline cannot take away from you.
Count-up mode is useful early: in first drafts, let the timer climb and discover the talk's natural length before you cut it to fit.
The same timer on stage
At the event, the timer moves to a confidence monitor: the viewer link fullscreen on any stage-facing screen. If the event runs its own timing, ask for your thresholds; if you or your team run it, it is the same room you rehearsed with.
The operator controls everything from a phone at front of house, and can send a silent message next to the countdown if something changes — the Q&A moved, the slot tightened. The live connections view confirms the stage screen is receiving before you walk out.
Why the limit helps you
Eighteen minutes is long enough to build one idea properly and short enough to hold attention without intermission. Treat the timer as an editor, not an enemy: what will not fit in eighteen minutes is usually a second talk, not a faster delivery.
Speakers who finish at 17:30 read as in command. The timer is how you become that speaker before the event, rather than hoping to be one during it.
FAQ
How long is a TED talk?
Eighteen minutes or less — the format's fixed ceiling. TEDx events often assign shorter slots, so set the timer to your actual allocation.
How do I see the timer while speaking?
Open the viewer link on a screen in your natural eyeline — a confidence monitor at the stage edge or a tablet on a stand. Wrap-up color changes register peripherally, without reading numbers.
What warnings should I set for an 18-minute talk?
A common split: one threshold at three minutes remaining to begin your final section, one at sixty seconds for the closing line. Rehearse with the same thresholds you will perform with.
Can someone else control the timer during my talk?
Yes. The controller view runs on any device, so an operator starts the countdown as you walk on and can send silent messages beside the timer if plans change.
Rehearse against a real clock
MaestroTimer runs in the browser: an 18-minute timer with staged wrap-up warnings, on your rehearsal screen today and the confidence monitor on talk day.