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Sloww uses your location to calculate sunrise, sunset, twilight, and moon times for where you are. Your location stays on your device and is never sent to a server. You can deny access and set a location manually instead.

Long-press the location label below the clock to open the location picker. Search for any city, enter exact coordinates, or switch back to device GPS. You can bookmark locations for quick switching.

The outer ring shows the sun's arc and daylight. Colored bands around it represent twilight stages and golden hour. Inside that, the moon ring shows when the moon is above the horizon. The two innermost rings track the lunar cycle and the seasons of the year. There's also an optional breath ring for guided breathing. The in-app guide covers each ring in detail.

Near the poles, the sun behaves differently — midnight sun, polar night, white nights, and perpetual twilight are all real phenomena. The clock adapts to show these accurately. The "Extreme Latitudes" section of the in-app guide explains each one.

Use the toggle buttons at the bottom of the clock. Each button cycles through states for its ring — tap to step through the options. Dots below each button show the current state.

A 16-second box breathing cycle — inhale, hold, exhale, hold — visualized as a pulsing ring at the center of the clock. It's a stress-management technique used by therapists, first responders, and athletes.

Long-press the time display to activate a scrub slider. Drag to move through the day and watch the clock update in real time. Tap the handle to switch between slow mode (minutes) and fast mode (hours to days).

Yes. Sloww offers Home Screen widgets in three sizes and eight Lock Screen widgets showing sun, moon, and daylight data at a glance. Long-press your Home Screen, tap the + button, and search for Sloww.

No. There are no analytics, no crash reporters, no ad frameworks, and no network requests. Everything is computed and stored on your device. See the Privacy Policy for details.