Astra Chron

Sun · Moon · Earth

The Sky.
From Anywhere.
At Anytime.

Astra Chron turns astronomical geometry into an explorable Earth. Move to any location, date, or time—past or future—and see the sunset or our Eclipse Simulator.

Explore the sky Explore examplesThe Next Eclipse
Observer viewEarth, in celestial time.
Direction
Azimuth
Height
Altitude
Light
Twilight
Alignment
Eclipse

One planet. Every perspective.

See more than a map.

Switch fluidly between global patterns and the view from the ground, with astronomy calculated for the exact place and moment you choose.

01

Immersive 3D imagery

Explore Google Photorealistic 3D Tiles, terrain, satellite imagery, and schematic skylines from ground level.

02

Eclipse Simulator

Simulate the next Eclipse from your location with the Eclipse Lab, watch one you missed, see one happening in two hundred years from now.

03

Sunset Simulator

Do you want to go somewhere and view a sunset? Check where the sun will be in relation to the earth on any give date or time.

04

Any place, any time

Relocate anywhere on Earth, then travel from deep history into the future with precise date and time controls.

05

Built to share

Send an easy link that preserves the location, time, camera, layers, and exact view you discovered.

06

Moon Flyby

Orbit the moon, explore the Apollo landing sites, see the terrain.

A world in motion

From orbit to the horizon.

Discover a world of wonder and view any Eclipse, sunset or sunrise from anywhere, anytime.

Astra Chron Observer view above mountainous terrain
01 · Observer view
02 · 2027 total eclipse · Gibraltar

Curated journeys

Start somewhere remarkable.

See every example
01Sunset from Mount Everest

Photo 3D from the summit, facing the setting Sun.

Open view 02Total eclipse shadow path

Follow the Moon’s shadow across the globe in Eclipse Lab.

Open view 03Stonehenge summer solstice

Watch sunrise align with the Heel Stone.

Open view 04Stonehenge winter solstice

Look south-west along the monument axis at sunset.

Open view 05Sunset from Mount Fuji

Photo 3D above Honshu, turned towards sunset.

Open view 06Sunset from Kilimanjaro

See the evening sky from Africa’s highest summit.

Open view 07Sunset from Ben Nevis

Face the late summer sunset from the Scottish Highlands.

Open view 08Sunset from Mont Blanc

Explore the Alpine terrain as daylight leaves the summit.

Open view 09Sunset from the Matterhorn

A ground-level 3D view across the Swiss–Italian border.

Open view 10Sunset from Mount Whitney

Travel to California’s highest point in Photo 3D.

Open view

Eclipse calendar

The next ten total solar eclipses.

Open any event in Globe view to follow the Moon’s central shadow path across Earth. Annular and partial eclipses are excluded.

  1. 012 August 2027Peak near 25.5°N, 33.2°EView shadow path
  2. 0222 July 2028Peak near 15.6°S, 126.7°EView shadow path
  3. 0325 November 2030Peak near 43.6°S, 71.2°EView shadow path
  4. 0414 November 2031Peak near 0.6°S, 137.6°WView shadow path
  5. 0530 March 2033Peak near 71.3°N, 155.6°WView shadow path
  6. 0620 March 2034Peak near 16.0°N, 22.2°EView shadow path
  7. 072 September 2035Peak near 29.1°N, 158.0°EView shadow path
  8. 0813 July 2037Peak near 24.8°S, 139.1°EView shadow path
  9. 0926 December 2038Peak near 40.3°S, 163.9°EView shadow path
  10. 1015 December 2039Peak near 80.8°S, 172.6°EView shadow path

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Choose a moment.

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