Coming soon to iPhone, iPad and Apple Watch

Know exactly when the light is perfect.

YUHI tracks sunrise, sunset, golden hour, blue hour and the moon, and shows them on a live sky that matches the one outside.

  • Free
  • No ads
  • No account
  • Works offline
First light
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Sunrise
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Golden hour
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Sunset
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Blue hour
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Moon
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Today in Kyoto, calculated live in your browser, just like the app does on your phone.

Features

Everything you need to plan around the light.

Clear times, a beautiful live sky and gentle reminders. Nothing you don't need.

Golden & blue hour

Morning and evening windows with a live countdown, so you're ready before the light turns.

Live sky

A full-screen sky that follows the real one, from night through twilight to day.

Moon phases

Moonrise, moonset, phase and illumination, plus the next full and new moon.

Planner & compass

Pick any date to see where the sun will be. The compass turns with your phone.

Smart alerts

"20 minutes before sunset" or "at first light". Any event, any offset.

Widgets & Live Activities

Home Screen, Lock Screen and StandBy widgets, plus a sunset countdown in the Dynamic Island.

Privacy

Your sky stays on your device.

YUHI calculates every time on your iPhone. There's nothing to sign up for and nothing to track.

  • No account, ads or analytics
  • Location is used only to work out your sky
  • Places and alerts sync through your own iCloud
  • Works fully offline, even in airplane mode

Private by design

No account, no tracking. Ask YUHI with ChatGPT is optional and off until you turn it on.

On-deviceNo trackingNo sign-in

Read the privacy policy →

Every device

One download. All your screens.

iPhone

Widgets, Live Activities, StandBy and Control Center. Turn it sideways for a full-screen sky.

iPad

A roomy sidebar layout, extra-large widgets and full keyboard support.

Apple Watch

The next event at a glance, complications for every face and alerts on your wrist.

Questions

Is YUHI free?

Yes. Every feature is free at launch, with no ads and no in-app purchases.

What is golden hour?

The time just after sunrise and before sunset, when the sun is low and the light is warm and soft. YUHI defines it as the sun between −4° and +6°. Blue hour is the deep-blue time when the sun is between −6° and −4° below the horizon.

Does it work offline?

Yes. All sun and moon times are calculated on your device. Only the weather forecast needs a connection.

Which devices are supported?

iPhone, iPad and Apple Watch running iOS 27, iPadOS 27 and watchOS 27. It's available in English, Arabic, German, Japanese and Spanish.

What does YUHI mean?

YUHI (夕日, said yoo-hee) is Japanese for "the evening sun."

YUHI app icon

Coming soon to the App Store.

Email us and we'll let you know the day YUHI launches. You can join the beta too.