Time, Beautifully Reimagined
Experience time in a whole new way with Big Sur. Elegant design meets powerful functionality for the perfect timekeeping companion with world clock, alarm, timer, stopwatch, and bedtime mode.
Features Designed for You
Bedtime Mode
Helps you establish a consistent sleep schedule and improve your sleep quality with sleep tracking and insights.
Smart Alarms
Wake up naturally with gradually increasing volume and brightness, with sleep cycle detection for optimal wake times.
World Clock
Keep track of time across multiple time zones with a beautiful, customizable world clock interface.
Precise Stopwatch
Accurate to the millisecond with lap timing and customizable splits for training and timing needs.
Precise Stopwatch
Our high-precision stopwatch gives you millisecond accuracy for all your timing needs.
- •Millisecond precision for accurate timing
- •Lap timing with unlimited splits
- •Export your timing data for analysis
- •Customizable interface with large display option
Sleep Better with Bedtime Mode
Our intelligent sleep tracking helps you establish a consistent sleep schedule and improve your sleep quality.
- •Track your sleep patterns and get insights
- •Set sleep goals and monitor your progress
- •Wake up at the optimal time in your sleep cycle
- •Get personalized recommendations for better sleep
Sleep Mode & Dark Theme
Your Privacy Matters
At Big Sur, we believe strongly in fundamental privacy rights — and that those fundamental rights should not differ depending on where you live in the world.
Our app is designed with privacy at its core. Your time data stays on your device, and you have complete control over what's shared.
Privacy Protection
World Clock
Keep track of time across multiple time zones with our beautiful, customizable world clock.
- •Add multiple cities and time zones
- •See time differences at a glance
- •Customize display with analog or digital clocks
- •Plan meetings across time zones with ease
World Clock