See the Grey Line in Real Time 4k.

50 years later, the Geochron World clocks show a moving Earth in digital brilliance.

Order your own Geochron Digital 4K V2 Upgrade your Geochron Digital Version 1

Satellite Weather

Watch precipitation, wind speed, temperature, cloud cover, and barometric pressure move across the Earth in real time.

Enhanced Stability

As of 05/2019, our Version 2 software is far faster with rock-solid video signal stability in a high resolution 4k environment. Learn more…

The Grey Line in real time

Solar sunrise and sunset move across the map over ITU regions and international call signs.

Track all A/R Satellites, plus 100s more

With Internet, track the real time location and trailing vectors of 100s of satellites in orbit. Learn more…

Dynamic Overlays

Earth Lights at night, major transportation routes, pollution and population. Learn more…

Easy Setup

Plug in the HDMI cable, grab the remote, and turn it on. Internet enables more features. Watch Set-up Process…

A Worldview in 4k with Satellite Weather

The Geochron Digital 4k UHD gives viewers beautiful displays of the Earth with the sunrise-sunset rendered in real-time through a small computer that plugs directly in to your TV via HDMI.  The size of your display is only limited by the size of your TV, as you take in the terrestrial movement of the Earth’s orbit in sync with the Sun.

The Geochron Digital 4k UHD displays a full-featured Geochron World Clock on any 4k TV, with every mapset and lighting option available in our famous mechanical clock but at a fraction of the cost. Now in the digital format, users can customize markers on the map, and receive (with internet) real time updates.

  • Global Satellite Weather overlays, including*
    • Precipitation
    • Wind Speed
    • Barometric Pressure
    • Temperature
    • Cloud Cover
  • Lifetime updates for five mapsets.
    • Geopolitical with Human Points of Interest
    • Geopolitical with Oceanic Points of Interest
    • Topographical “A view from space.”
    • Ham / Amateur Radio mapset
    • Low Resolution (1080) Geopolitical mapset.
  • Live location of the International Space Station and over 100 satellites, updated every 15 seconds.*
  • High Speed demonstration mode. One year in 15 seconds!
  • Layer Demonstration mode.  Automatically cycle through layers, so your display never looks the same.
  • Sixteen Locations Pins with custom text names and local time that you can place anywhere on the map.
  • Static Overlays, showing:
  • Digital Time Accuracy to within 500 milliseconds*, and on-the-fly time adjustments to local time zones.
  • Automatic Night Dimming by your location.*
  • An extensive Help menu with embedded video tutorials explaining every feature of the Geochron Digital Version 2.

* with internet connection


Easy Setup

Although the algorithms behind the dynamic display are complex, the Geochron Digital 4k UHD is ready to go out of the box.  It’s easy to set up and use with the provided remote control, and – with an internet connection – includes time and date configuration, firmware updates, and map updates.

  • Included:
    • 3′ Power Supply 110-220v USA Plug.
    • 6′ HDMI Cable, male to male
    • Remote Control and AAA batteries
    • Printed Documentation
    • One Year Warranty
    • New Updates as available with Internet.
    • Full Geochron Digital v2.0 Specifications
  • Not Included:
  • Shipping:
    • One business day handling.
    • USPS Priority Shipping
    • Please contact us for overseas shipping.
  • Requirements
    • Internet is necessary for real-time layers.
    • 110 to 220v power.
    • 4k Display screen recommended, larger than 28 inches.
    • Default USA Plug, UK is available.

Not every one has up to $4,000 for the beautiful mechanical Geochrons made since 1964.  Many Geochron enthusiasts have waited for years for an affordable option in the digital world, and this is it: everything the mechanical Geochron can do, plus customizable settings, multiple maps, live updates, and as big as you want.


Showing Earth at Night Layer

4k Geospatial Computer and Remote


Order your own Geochron Digital 4k

Layers over the mapset interact with a dynamic world

We are constantly adding new layers over the beautiful mapsets Geochron is known for.   Layer and map updates are free for all Geochron Digital 4k’s, but require an internet connection to download to the computer on command.

05/01/2019: Live weather overlays

11/25/2018: Population heat map overlay


10/22/2018: Satellite tracking and trailing vectors


08/15/2018: Local Time shown at Location Pins

06/12/2018: Carbon Monoxide Pollution over Human Geopolitical


Major Air Routes over Oceanic Geopolitical


Major Sea Routes over Topographical

A full changelog since April 2018

Standard Mapsets

Geopolitical with Human datapoints
Topographical View from Space
Ham Radio
Topographical with Oceanic Datapoints
Low Resolution: Large fonts for non 4k screens



Off the dining room.
16' wide in a 4k home theatre
In a very nice Ham shack
Off the music room




Technical Details and Features

The deepest dive is our technical changelog.

Take a dive into our Four Favorite Features (video link)

Our four favorite things video
Our four favorite things video



Six Frequently Asked Questions, like “Why isn’t this an app?

Digital Geochron v. Mechanical feature chart

Geochron Digital 4k Support and FAQ