Tuki Don - Moon & Sun Position

Live sun & moon on a map—scroll the timeline to check direction for any date or time. Weather, moon-phase calendar and saved spots help you plan the shot. TukiDon.

Know the golden-hour timing and the weather—before you head out.

TukiDon is a photography planner that shows the "when and where" of a shoot at a glance: the direction and timing of the sun and moon, the weather, and the moon phase. Capture a full moon or sunset, never miss the magic or golden hour, or catch the moment a plane crosses the moon—known in Japan as "TukiDon." This one app supports your whole plan. Great for checking sunlight at a travel spot, too.

Key Features ■ Real-time sun & moon on the map Scroll the timeline and the sun and moon positions and directions update for the chosen date and time. Hourly and minute-by-minute direction and altitude show exactly when light hits the front ("front light") or back ("backlight") of your subject.

■ Color-coded magic & golden hour Golden hour, blue hour, nautical and astronomical twilight are shown in distinct colors, alongside sunrise and sunset times—so you can plan the exact shot you want.

■ Moon-phase calendar See the moon's phase and age, and never miss a full, new or crescent moon. Tap a date to load it on the timeline and view that day's sun and moon positions.

■ "TukiDon" spot finder The moment a plane overlaps the moon is called "TukiDon." Import a CSV from apps like Flightradar24 to overlay flight routes with the moon. The app calculates the best shooting point from route, altitude and moon position and marks recommended spots. Overlay the sun's direction to see front-light and backlight windows by day.

■ Weather for shooting Check weather, temperature and feels-like for your shoot day: 24-hour weather, 10-day forecast, wind, UV index and precipitation probability—so you can prepare clothing and gear.

■ Photo review View your photos' EXIF (camera, lens, aperture, shutter speed, ISO) and recreate the sun/moon direction and weather at the time of shooting. Create overlay images with EXIF, location, moon phase and weather to share on social media.

■ Location search Search by place or facility name and move the marker with one tap to grasp the sun and moon directions anywhere.

■ Save favorite spots Save frequent spots with names, group them, and review them all in one list.

Who it's for • Travelers capturing dramatic scenery at sunrise or sunset • Photographers chasing the magic or golden hour • Anyone planning by light direction (front light / backlight) • People hunting "TukiDon" spots where a plane crosses the moon • Stargazers tracking the moon's phases

How it works

1. Scroll the timeline to choose a date and time
2. Check the sun and moon positions on the map
3. Check magic hour, blue hour and sunrise/sunset times
4. Import a CSV to overlay flight routes and find TukiDon spots

What you can find out • Direction and time of sunrise/sunset and moonrise/moonset • Hourly / minute-by-minute sun and moon direction and altitude • Moon-phase calendar and lunar phase • Weather (temp, feels-like, 24-hour, 10-day, wind, max wind, UV, precipitation) • Magic-hour windows (golden, blue hour, nautical/astronomical twilight) • Recommended "TukiDon" spots • Photo EXIF plus sun/moon position and weather at the time of shooting

Bronze Plan (paid) • More detailed "TukiDon" spots (best point auto-calculated) • Select any calendar date to load on the timeline • Save favorite spots and view their weather in a list • Cloud storage for photos • Ad-free • 1-week free trial included

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