90 Minute Alarm Clock - Start Timer from Current Time

Customize Your 90 Mintue Alarm Clock

Ring Settings:

Outer Ring Color:

Inner Ring Color:

Progress Ring Color:

Progress Shadow Color:

Time Display Settings:

Time Display Color:

Time Display Size (px):

Time Display Shadow Color:

Background Customization

Choose Your Background

How to Use the 90 Minute Countdown Timer

🕐 Instant 90-Minute Setup

The alarm automatically sets for 90 minutes from the current time when you load the page. Just click "START" and your countdown begins immediately.

⏱️ Visual Progress Tracking

Watch the circular progress ring gradually complete as your 90-minute session counts down. The display shows both the exact alarm time and remaining duration.

🔔 Custom Duration Option

Need a different interval? Manually adjust the timer duration in HH:MM:SS format. Set any time from 1 second to multiple hours.

🎨 Personalize Your Timer

Customize colors, backgrounds, and display size to match your workspace. Choose from 30 preset backgrounds or upload your own image.

Why Use a 90 Minute Timer?

📚 Optimal Study Sessions

Research shows 90-minute intervals align with natural focus cycles, making them ideal for deep work and learning sessions.

💼 Productive Work Blocks

Break your workday into 90-minute focused sessions with breaks in between for maximum productivity and reduced burnout.

🧘 Ultradian Rhythm Alignment

The 90-minute cycle matches your body's natural ultradian rhythms, helping maintain energy and concentration throughout the day.

⏰ Time-Boxed Activities

Perfect for cooking, exercise routines, meditation sessions, or any activity that benefits from a defined 90-minute timeframe.

Key Features of This 90-Minute Alarm

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Auto-Start Functionality: Timer automatically calculates and sets alarm for 90 minutes from current time
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Precision Countdown: Accurate to the second with real-time updates showing exact remaining time
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Visual Progress Ring: Circular progress indicator shows completion percentage at a glance
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Dual Time Display: Shows both current time and target alarm time simultaneously
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Session Counter: Track how many 90-minute sessions you've completed
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Fullscreen Mode: Distraction-free countdown perfect for focus and productivity
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Customizable Alerts: Audio alarm with adjustable visual and sound settings
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No Installation: Works directly in your browser - no downloads or apps required

Frequently Asked Questions

What happens when the 90 minutes are up?

When the countdown reaches zero, an audio alarm will sound and the display will flash. The alarm continues until you acknowledge it by interacting with the timer.

Can I change the 90-minute duration?

Yes! While the default is 90 minutes from now, you can manually adjust the duration using the timer input field to any length you prefer.

Will the alarm work if I switch browser tabs?

Yes, the alarm continues to count down in the background and will alert you even if you're on a different tab or window.

Is this timer accurate for long sessions?

Absolutely. The timer uses precise JavaScript timing and calculates the exact target time from the moment you start, ensuring accuracy even for extended 90-minute sessions.