Null Island - Nothing to See Here, Folks!

Hello Everyone,

Null Island

At about 6:30am local time today (Tue, 14 April, 2026) I went on a trip to nowhere! Well, sort of... I was physically present at an imaginary location, so who's to say whether I was really there or not? Makes me think of the concept of i, the square root of -1, an imaginary number that I learned about while studying electrical engineering in college. Real enough in concept, but impossible just the same.

Too deep and philosophical for you? OK, here's what happened. We crossed the equator at exactly 0° longitude, the Prime Meridian. In other words, our coordinates measured in what's commonly referred referred to as the Geographic Coordinate System (GCS) were 0° 00' 00" N 0° 00' 00" W. That's 0 degrees, 0 minutes, 0 seconds both North/South and East/West. 

Null Island

This arbitrary point came to be known as "Null Island". It's a tongue-in-cheek name programmers and mapmakers gave to the spot at 0° latitude and 0° longitude. In computing, a “null” value indicates missing data, and when location info is absent or broken, some systems default to (0,0), accidentally dumping all that bad data in the same place. Over time, people noticed this weird pile-up of points in the middle of nowhere and jokingly pretended it was a real island where lost data goes, and the joke stuck. All this was helped along by the fact that there was at one time actually a weather buoy nearby, making this fictional place feel just real enough to be memorable. The buoy was decommissioned in 2021 when the monitoring network was updated, so there’s nothing sitting at 0°N, 0°E anymore.

Null Island Viewed from My Balcony
(Stealth Bomber visible in Background...)

Our Cruise director shared this snapshot of the navigational display on the bridge. Our coordinates are circled in magenta. Not exactly 0/0, but certainly within rounding error!

Ship's Navigation Display

The iPhone knows how to round!

iPhone Display

More Philosophical Musings

I guess I was in a reflective mood this morning and the trip to nowhere got me thinking about how we view the world from different perspectives. Here's a spot that's very real to programmers and data geeks, but still completely imaginary. To others, it's unheard of and just an empty spot in the middle of nowhere - it depends on your perspective. A reminder that something that's very significant and meaningful to one person can be overlooked or dismissed by someone else who comes at it from a different viewpoint. 

It's also very arbitrary. The origin point for the Prime Meridian could have been anywhere on the earth. The reason it was defined as running through Royal Observatory Greenwich back in 1884 is less about geography and more about politics, navigation, and timing. There were numerous charting standards in use then, but the British system was the most widely adopted at the time, and standardizing around it just made everyone’s life easier.

So that got me to thinking that definitions depend on perspective, point of view. What a particular person or society defines one way can be totally different (or even non-existent) for another. Sometimes it's very helpful to take the time to understand that different perspective.

What's Next

After our brief stop we continued heading WNW toward Praia, Cabo Verde, off the coast of West Africa. We've still got a long way to go, so we won't arrive until Saturday, 18 April. 

Norovirus Update

Things seem to be improving a bit but there are apparently still a number of people isolated in their cabins. Health protocols aboard ship are fluid and some larger gatherings have been cancelled, but in general things are easing up a bit. Laundry rooms are open again!

And so far (sound of wood knocking), my cast iron stomach and I are doing fine!

All the best,
Jim