45 Minute Timer
A 45-minute countdown, ready when you are.
Set. Start. Take a breath.
Extra time applies to this session only.
Pause and reset to change the start time.
Sound & display Make it work for you
Press Test sound to check your volume before starting.
Keep this page open. Sound may be delayed or unavailable if your device locks or your browser suspends the page.
Press Start to begin.
Key takeaways
- A 45-minute lesson is standard in many school systems, for example in Germany and Poland.
- A lesson can be split into starter, main activity and plenary.
- 45 minutes also suits workshop sessions and individual exam sections.
- The page shows 45:00 and begins only when you press Start.
Why are many lessons 45 minutes long?
In several countries, including Germany and Poland, a school period traditionally lasts 45 minutes. Many teachers plan around that frame, and a countdown on the board shows pupils how much of the lesson remains without anyone checking the wall clock.
How can a 45-minute lesson be divided?
| Phase | Approx. time | Example |
|---|---|---|
| Starter | 5–10 min | A recap question or a short warm-up task |
| Main activity | 25–30 min | Group work, practice or an experiment |
| Plenary | 5–10 min | Share answers and sum up what was learned |
Keep the full 45-minute countdown running for the lesson and use the classroom timer for the individual phases if you want separate labels.
What else lasts around forty-five minutes?
- Exam sections: practice under the same timing as the real paper, if your exam board specifies it.
- Workshops: one session block followed by a break.
- Deep work: a longer stretch for writing or coding when twenty-five minutes feels too short.
- Tutoring sessions: one lesson with a learner, online or in person.
How do I practise for a timed exam?
Clear the desk, set the countdown, and work through the section without pausing. When the bar turns red, check that every question has an answer. Afterwards, compare how far you got with the time you had and adjust your pace for the next practice.
A rhythm for your focus ↗
Focus sessions, short breaks and a longer pause. Make the intervals your own.
Open Pomodoro timerTIME EVERYONE CAN SEEKeep the room on track ↗
A clear classroom countdown with an activity label and a quiet finish if you prefer.
Open classroom timerA timer for the time you have.
Pick a preset below. Need to count up instead? Our sister site Online Stopwatch times laps and split times in your browser, free and without an account.
Something shorter? The 2 minute timer and 3 minute timer are ready with one click.
Boiling eggs? Use the egg timer with soft, medium and hard presets.
Using it in class? The Classroom Timer adds an activity label, large fullscreen numbers and an optional quiet ending.
Countdowns
More timers and countdowns
FAQ
Can I show it on an interactive whiteboard?
Yes. Full-screen mode gives digits large enough for the back row.
Can I end without a sound?
Choose Sound off; the countdown still reaches zero visibly.
What if the lesson started late?
Type the remaining minutes into the custom fields and press Set timer.