Instant 28-min visual disc countdown with alarm & fullscreen display•Built for ADHD, Autism & Classrooms•Custom Colors & Proportional Mode
How the 28 Minute Visual Timer Works
Need an intuitive 28 minute visual timer (1680 seconds) for classroom transitions, ADHD focus blocks, kids' routines, or timed exercises? Instead of forcing students or team members to mentally subtract digital digits, this 28 min visual timer displays a high-contrast colored wedge that shrinks clockwise as time elapses.
You can toggle between the classic 60-Minute Clock Face (where 28 minutes occupies 47% of the circle) and Proportional Full-Disc Mode (where 28 minutes fills 100% of the ring and sweeps down to zero), pick any custom color, or track session tasks right below the clock.
Overcoming Time Blindness with Spatial Time Visualization
Eliminating Executive Time Blindness
ADHD brains often struggle to gauge elapsed time internally. Externalizing a 28-minute block into a shrinking pie slice turns remaining duration into a visible physical resource.
Stress-Free Classroom & Kids Transitions
Young learners understand a shrinking colored circle long before they can read analog clock hands, reducing transition resistance during clean-up, reading, or screen-time limits.
Custom Color Coding & Proportional Mode
Color-code different classroom stations and study subjects with the built-in color palette or custom color picker, and switch between 60m Face and Proportional modes.
How to Use the 28 Minute Visual Countdown Clock
1
Set Your Duration: Click a preset button, type any m:ss value, or drag directly around the clock dial to adjust your 28-minute countdown.
2
Choose Color & Dial Mode: Pick a preset swatch or custom color, and switch between "60m Face" (true-to-scale hour dial) and "Proportional" (full 360° circle).
3
Optional Image & Task List: Click "+ Image" to place a custom picture inside the shrinking ring, or open "Tasks" to check off action items during your session.
4
Start & Fullscreen (Key F): Press Start or hit Spacebar to begin. Press "F" to project the giant shrinking disc across a classroom smartboard or second monitor.
Everyday Uses for a 28 Minute Visual Timer
Classrooms & Smartboards
Help students pace independent reading, station rotations, quizzes, and desk clean-ups without constant verbal time warnings.
ADHD & Neurodivergent Focus
Use a 28-minute visual timebox to overcome task initiation paralysis and maintain steady momentum without hyperfocus burnout.
Kids & Family Routines
Make morning routines, tooth brushing, chore sprints, and homework intervals concrete and predictable for toddlers and elementary kids.
Presentations, Therapy & Workouts
Keep speakers, therapy sessions, and interval workouts on schedule with an at-a-glance silent progress ring and acoustic end chime.
Complete 1 to 60 Minute Visual Timer Directory
Select any minute duration below to open a dedicated visual shrinking-disc countdown pre-configured for that exact interval:
The colored wedge shrinks clockwise in real time from 28:00 down to 00:00. You can view it on a standard 60-minute clock face or switch to Proportional mode so the wedge starts as a full circle.
Does the visual countdown stay accurate if I switch browser tabs?
Yes. TimerBox calculates remaining time from real wall-clock timestamps (Date.now()), so your visual disc and audio chime remain 100% accurate even in background tabs.
Can I customize the disc color or add a picture?
Yes. Click any color swatch, use the custom color picker, or click "+ Image" to display your own photo inside the shrinking visual ring.
