Finish: Black Anodized Aluminium
Dimensions: 870 mm (W) x 570 mm (H) x 120 mm (D)
Handcrafted | Made to Order | 2–3 Week Assembly Time

🌍 A Masterpiece of Precision, Function, and Global Insight

The Original Kilburg Geochron is more than just a clock—it’s a mechanical marvel that brings the Earth’s rotation, global timekeeping, and political geography together in a single, striking display. Housed in a sleek black anodized aluminium frame, this iconic world clock has adorned the walls of NASA offices, research institutes, government departments, and discerning homes for over half a century.

With its constantly moving world map and advanced mechanical design, the Geochron allows you to determine the exact time in every global time zone, along with day/night demarcation and solar activity—all in real time.

🧭 What the Geochron Displays

The Kilburg model is unique in how it visually communicates the Earth’s relationship to time and light. The following data is displayed dynamically and mechanically—no screens, no software, no batteries required:

• 🌐 Legal Time Zones (with labelled zone indicators)

• 🕓 Greenwich Mean Time (GMT)

• 🌞 Greenwich Apparent Time (solar time at Greenwich)

• 🕰️ Local Apparent Time (true solar time for each longitude)

• 🌅 Sunrise & Sunset Lines (updated live with Earth’s rotation)

• 🌄 Duration of Daylight across all latitudes

• 🌓 Sun’s Meridian Passage

• 🌀 Sun’s Equation of Time

• 📐 Degrees of Latitude & Longitude

The Geochron is the only mechanical device in the world that can simultaneously display all of this information in a continuously updating visual format.

🗺️ Mapset: Geopolitical

This model features the Geopolitical mapset, colour-coded by country and updated with the latest international boundaries. The high-resolution print is sharp, vibrant, and precise—making it an exceptional reference for diplomats, travellers, educators, or anyone seeking a real-time view of how human geography interacts with time.

🔧 Premium Construction & Personalisation

🛠️ Built to Order – Just for You

Every Geochron is hand-assembled to your specifications in the USA. Upon ordering, please specify:

1. Trim Colour for the time and date bands:

   • Black

   • Gold

   • Silver

2. Time Format:

   • 12-hour (AM/PM)

   • 24-hour (Military/Scientific)

Once these selections are confirmed, your clock will begin production and will be ready in approximately 2–3 weeks.

📦 Delivery & Setup

• Ships fully assembled, ready to mount

• Includes power cord, wall mounting template, and care instructions

• Packed securely for international or domestic delivery

🎯 Who Is It For?

💡 Why Choose the Original Kilburg Geochron?

✔️ The world’s only continuously moving mechanical map clock
✔️ Scientifically accurate sunrise/sunset and solar data
✔️ Iconic design with timeless appeal
✔️ Trusted by professionals since 1964
✔️ Made with pride in the USA

Bring the World into View
Own a timepiece that doesn’t just tell the time—but shows it, globally and visually. The Original Kilburg Geochron – Geopolitical Map – Black Anodized finish is both a functional marvel and a bold statement of your curiosity, intellect, and appreciation for global design.

🛒 Order yours today and make every second a part of something bigger.