28 March 2026

International Meridian Conference, 1884 - Indefatigable Sandford Fleming


Halifax, 1949



With the help of his CPR employee pass, LC Gagnon was travelling over the Canadian Pacific system - beginning in Montreal, through Maine and New Brunswick, and by CPR ferry to Nova Scotia ... with  additional travel on the CNR line along Nova Scotia's south shore (as seen elsewhere on this blog).

At the Halifax Citadel, he has composed a photo showing two time appliances. 

The noon gun will provide an audible signal for citizens within earshot. The time ball is more interesting. 

I believe LC Gagnon photographed two time balls in Halifax during this trip. Overlooking the harbour with a good line of sight, the ball pictured seems to be an official device. There was another time ball farther down the hill as well. Watchmakers often prided themselves as being masters of time and they maintained their own standard clocks ... and time balls in some cases. Exact time was provided as part of their professional mission. Before 'Standard Time', US railroads would sometimes designate a particular local watchmaker's time for official use.

Generally, the time balls descended slowly for a minute or less as the hour approached, with the end of the descent marking noon (or perhaps 13hr - after daily noon re-verification). Time balls were essential to shipping. Their signal was not subject to delay - compared to the non-instantaneous speed of the gun's sound. Using a telescope, a distant ship could check its chronometer with precision by watching a time ball.

... I believe the Admiralty maintained a series of time balls along the British coast to support civilian and Royal Navy ships. 

*  *  *

During, and at the conclusion of, the decisive International Meridian Conference at Washington DC in 1884, Sandford Fleming's biographers of 1915 and 2000 do not think he was properly recognized for his work to promote and support the adoption of a new system of time reckoning for the world. 

Lawrence Burpee (Sandford Fleming, Empire Builder; 1915; Oxford Press archive.org) ended his Standard Time Movement chapter with the words of the Astronomer Royal of Russia, M Otto Struve: 

'It is through Mr Fleming's indefatigable personal labours and writings that influential individuals and Scientific Societies and Institutes in America and Europe have been won over to the cause.' 

Looking over all of the microfilmed documents of Sandford Fleming preserved by the Canadian government (available at archive.org), I discovered that the official account of the Washington Conference is missing - although the official account translated into French is available. 

... Fleming's biographer of 2000 states that the US State Department was unable to find a French translator in Washington DC to satisfy the request of the delegation from France - it was Fleming who did. 

Fortunately, Project Gutenberg has preserved and uploaded the official record in English and you can read the whole thing at this link:

International Conference Held at Washington for the Purpose of Fixing a Prime Meridian and a Universal Day. October, 1884.

*  *  *

A recap of Fleming's evolution of thought ...

If you've been following this series, you'll recall that Fleming was miffed because he was stuck at Bundoran, Ireland overnight because of a timetable misprint. His 5PM train was actually scheduled for 5AM the next morning.

In addition to advocating the use of a 24-hour clock, his first approach to the larger issue of world time reckoning was Utopian. He wanted to convert the 'hour numbers' (i.e. 1 to 12) on a clock to letters. This idea would require the engineering of a new clock device which took 24 hours for its hour hand to complete its trip around the watch face. The 24-hour cycle matched that of the earth. Essentially, the new timepiece was a schematic representation of world time zones, designated by their own letters.

Below, the whole world is shown at 'A' o'clock because the sun is over the 'A time zone' in eastern Russia. For those Russians, 'A hour' is always noon. For those in the N time zone in western Africa 'A' o'clock is always midnight. 

This seems odd, because we know how all this turned out ... but consider the global circumstances in the mid-1800s ...

... At that stage of history, a few smaller countries used nation-wide standard times because of railway or military imperatives. 

For example, in the UK, the railways all agreed to use Greenwich time - from the Royal Observatory - as the basis for all their schedules. After this change, people with the money to travel by rail set their watches to 'railway time'. The rest of society - if they had the money to buy their own personal watches or clocks - gradually followed suit.

... However, most places in the world using clocks set them by the sun at noon. There were no time zones - just local 'natural' time.




After the Washington International Meridian Conference of 1884 was over, Fleming put together a 110-page compendium of all of his time ideas, the responses to them, and their refinement ... for posterity. It is linked below if you want to see what he wanted us to remember about his persistent efforts. (It is the source of these 5 excerpts.)

archive.org link:

In the late 1870s ... Fleming 'worked through channels' in Canada, employing the Governor General (Queen Victoria's son-in-law) to help get the world thinking about time reckoning ... i.e. 'standard time and time zones'. 


As we've seen, experts like the UK Astronomer Royal - George Biddell Airy (at Greenwich) - were sometimes brusque when returning requested feedback. When appropriate, Fleming would modify his ideas. He'd continue to be patient and persistent in promoting them. 

Supportive colleagues like American meteorologist Cleveland Abbe, who was necessarily interested in the science of measuring (Metrology), were natural allies of Fleming. As he built his network, Fleming presented his papers in the US and in Europe.
 
The advent of the world-wide telegraph system (before the invention of wireless) enabled information and time signals to be sent anywhere at the speed of light.

Having a universal standard time system and clearly-defined time zones would enable meteorologists like Cleveland Abbe to know exactly when a tornado had struck a particular settlement. Appropriate records could be made and warnings could be sent out by telegraph to other places which might soon be affected.



October 1884, the International Meridian Conference

The Americans take the bull by the horns ...

The first order of business was to elect a Chairman of the Conference ...

The delegates elected the chairman of the delegation of the United States of America, Admiral C. R. P. Rodgers. Almost all of his first brief address is reproduced here, taken from the Project Gutenberg document, linked above. It was concise and to the point.

'Gentlemen: I beg you to receive my thanks for the high honor you have conferred upon me in calling me, as the chairman of the delegation from the United States, to preside at this Congress. To it have come from widely-separated portions of the globe, delegates renowned in diplomacy and science, seeking to create a new accord among the nations by agreeing upon a meridian proper to be employed as a common zero of longitude and standard of time reckoning throughout the world. Happy shall we be, if, throwing aside national preferences and inclinations, we seek only the common good of mankind, and gain for science and for commerce a prime meridian acceptable to all countries, and secured with the least possible inconvenience.

'Having this object at heart, the Government of the United States has invited all nations with which it has diplomatic relations to send delegates to a Congress to assemble at Washington to-day, to discuss the question I have indicated. The invitation has been graciously received, and we are here this morning to enter upon the agreeable duty assigned to us by our respective governments.

'Broad as is the area of the United States, covering a hundred degrees of longitude, extending from 66° 52' west from Greenwich to 166° 13' at our extreme limit in Alaska, not including the Aleutian Islands; traversed, as it is, by railway and telegraph lines, and dotted with observatories; long as is its sea coast, of more than twelve thousand miles; vast as must be its foreign and domestic commerce, its delegation to this Congress has no desire to urge that a prime meridian shall be found within its confines.

'In my own profession, that of a seaman, the embarrassment arising from the many prime meridians now in use is very conspicuous, and in the valuable interchange of longitudes by passing ships at sea, often difficult and hurried, sometimes only possible by figures written on a black-board, much confusion arises, and at times grave danger. In the use of charts, too, this trouble is also annoying, and to us who live upon the sea a common prime meridian will be a great advantage.'

As you'll see on Fleming's summary of the Conference, below, the delegations took over a month to conduct their 8 sitting days. There were breaks to allow for questions to be discussed with delegates' home governments and for data to be gathered and prepared for presentation. 

One key consideration was the use of the Greenwich Observatory/Meridian as longitude 'zero' and time 'zero' for the civil day of the world. As mentioned, Greenwich charts were widely used. Other nations had similar observatories providing the basis for their own charts. To choose Greenwich meant that these other observatories would not retain their national importance and tradition.

As a secret supporter of the Greenwich Meridian, Fleming wanted to avoid provoking other nations' anger by implying that their meridians were inferior in some way. To avoid this, right from the beginning of his work, he suggested his Proposed Common Prime Meridian in the middle of the Pacific Ocean ... as seen in the world diagram at the top of this post. 

At one point when the French delegates felt the relevance of the Paris Meridian was being lost, a vote was called on Fleming's anti-Prime Meridian and it was soundly defeated. So much for trying to be considerate ...

However, Fleming made the presentation below to show that the Greenwich Meridian did have the greatest use - as measured by tonnage and the absolute number of ships using the Greenwich charts. 

... Nonetheless, he points out, below, that his 'anti-Greenwich' meridian would avoid choosing the meridian of any particular nation. This is because the telegraph wires can provide the instantaneous propagation of an official time signal (from any observatory location to be chosen) to the entire world. 



The key holdouts in accepting the Greenwich Meridian - the French delegation - would abstain from voting in the end. Two people attended for France ... the world's leading spectroscopist ...  i.e. someone who breaks down the spectrum of a star's light to determine the elements of its composition ... and the French Ambassador to the United States. Astronomers are generally not called upon to fight in debates involving international diplomacy. 

Below is Sandford Fleming's concise report of what exactly was achieved at the International Meridian Conference at Washington DC in October 1884.


Any Canadian delegate, in the international sphere, would be regarded as coming from the British Empire at this point in history. In spite of all of his spadework to make a world time reckoning system reality, Fleming was forced to tag along with Britain. However, he was neither a military person, nor an academic, nor the member of a government, nor a diplomat. The British delegates tolerated his presence as kind of an oddity. There was no doubt that they would be campaigning to ensure the Greenwich Meridian was used.

The well-prepared naval astronomers generally had instructions from their governments to ensure the Greenwich Meridian was chosen as the Prime Meridian with the civil day beginning at midnight at that location. 

In the United States, William Frederick Allen (1846-1915), a civil engineer by training and the secretary of the General Time Convention of the American Railroad Association is generally cited as the inventor of standard time and [American] time zones. He had presented his system on 8 April 1883 at the ARA semi-annual meeting in St Louis. (As we've discussed, Fleming was pushing his papers back in the 1870s.)

Here is WF Allen on the cover of the December 1887 edition of the Official Guide. This old, brittle document prefers to be photographed. 


Allen attended the Washington Conference and the main thrust of his presentation was to affirm that the US railroad system was based on the Greenwich Meridian. The railroads had adopted his time zones in 1883. (Canadian railways had adopted the continental railroad standard at exactly the same time as the US railroads.) The railway time zones were optimized for railway operations. 

... If international time zones - separated by exactly 15 degrees - were overlaid on the railroad time zones, there was great potential for confusion. Official 'local time' should not be different from 'railroad time'.

If you haven't seen the ARA's original railroad time zone scheme, it is in a previous post, linked below.


In the end, the international time zone system was implemented loosely, with local patterns of human activity considered. Over time, Allen's system was modified to better meet the needs of citizens. Everybody survived the experience.

*  *  *

What did Fleming get?

Fleming's Utopian 'lettered hour of the day' 24-hour-circle watch scheme fell by the wayside early in his work on this project. 

Today, UTC does provide a form of his Cosmopolitan or Cosmic Time for scientific, military, and general international use. 

However, if you turn on your TV or computer, you'll notice that much of humankind never did get around to learning how to tell the time using a 24-hour clock ... and no longer using AM or PM. This was seemingly the original frustrating issue which got Fleming thinking about time in the first place!

*  *  *

Where they 'make'  the Greenwich Meridian ...


Here is the specific wording from Resolution 2 of the International Meridian Conference, 1884.

" the meridian passing through the centre of the transit instrument at the Observatory of Greenwich "

Here are two images which enable you to see this exact location, back around the time of Sandford Fleming and the Washington Conference.


from: Greenwich Observatory (article); 1872; Popular Science Review. archive.org

The image above shows and describes part of the process used around the time that Fleming began his work with standard time.

*  *  *

After Sandford Fleming was knighted by Queen Victoria in 1897, here is the building housing the transit.
The camera is sitting right on the Prime Meridian. 

The Royal Observatory Greenwich; E Walter Maunder; 1900; Religious Tract Society. archive.org

*  *  *

The system is available for use ...

The series of time zones, with Greenwich as the Prime Meridian, is presented in this British atlas from 1904. 

from: Handy Reference Atlas of the World; JG Bartholomew; 1904; John Walker & Co.

end

21 March 2026

Hormuz Cartography - Maps from 150 CE to 1994

Thank you to regular reader, commenter and time zone 'influencer' Sir Sandford Fleming for his reference (in his Prime Meridian paper) to Claudius Ptolemy and the latter's pioneering work in using a prime meridian.

Below, you can see how this pioneer of geography Ptolemy (circa 100-165 CE) used geographic coordinates to organize the known features of the world onto a grid. He was also a math whiz ... and an astronomer. 

On the map below, we can recognize lines of 'latitude and longitude' as we know them today. 

You can see that Ptolemy did not use Greenwich as his prime meridian - primarily because it did not yet exist. His prime meridian is conveniently located to the west of any western Europe land masses. 

*  *  *

Why Hormuz Cartography?

Whenever current events become depressing, history can be somewhat comforting. 

We can understand that many people - before we ever came along - have faced ... well ... depressing current events. 

Here are maps from thirteen points within the last two millennia showing various aspects of the Strait of Hormuz.

*  *  *

from: World History; Hayes et al; 1946; Macmillan.

This map (above and below) is from circa 150 CE. 

Below, you can see the known world. Above, you can see how navigators had recorded their observations of the Persian Gulf (Persicus Sinus) back then. 

... Those were the good old days when there was no Strait of Hormuz to worry about. This was because even smart people didn't know it existed.

As Ptolemy might have written in his map's defence regarding the Gulf: Quisquiliae intrant, quisquiliae exeunt.


from: World History; Hayes et al; 1946; Macmillan.

*  *  *

screencap from: Persian Gulf, Atlas of Old and Historic Maps; Sahab et al; 2005; Sobh-e-Sadegh. archive.org

Above is a copperplate engraving by Ortelius of Antwerp, published in 1580. 

In current events this week, there have been people suggesting there should have been strategic planning to ensure the transport of petroleum, fertilizer, aluminum, etc through the Strait of Hormuz ... in the event of a war starting in the region. 

I went through this very interesting atlas from cover to cover ... twice. This is among the earliest accurate depictions of the shape of the Gulf of Persia and the seafaring limitations of the Strait of Hormuz (Ormus). 

Humans who look at books have known about this constriction for about 500 years.

As Ortelius wrote in 1580: 'If you start a war, you'll have problems with your Ultra Large Crude Carriers (ULCC) right around Ormus - so plan accordingly. By the by ... I've put Carge Island (Kharg) on the map for you at the head of the Golfo de Persia. Someday, it will make an excellent petroleum-loading terminal for those same large-draft ULCCs.'

*  *  *

from: The Illustrated Atlas & Modern History of the World; R Montgomery Martin; 1851; Tallis & Co. 1989 reprint

Above (Arab side) and below (Persian side), these maps are from c1851. The features on opposite sides of the Gulf are presented as two separate maps.

The printing in this book is not as crisp as it could be. Of course, 'Mount Sinai' and 'Persian on Horse' are not in their geographically-accurate locations. 

The map above shows Kharak Island. 

from: The Illustrated Atlas & Modern History of the World; R Montgomery Martin; 1851; Tallis & Co. 1989 reprint

*  *  *

from: Atlas of World History, Vol 2; Kinder & Hilgemann; 1978; Penguin. 

There is plenty of history shown on this ambitious map showing major developments in the 1800s. The industrial revolution, steam power, and Wahhabism were all things invented in the 1800s. It was a turbulent century. Most centuries are turbulent centuries, if you think about it. 

Contemplating the map ... I don't know if it was the barrier of that German-backed Baghdad railway under construction ... or Persia's Shia branch of Islam ... which prevented Persia from embracing Wahhabism. Someone should look into that ...  

*  *  *

From the Late 1800s

from: Cram's Universal Atlas; 1896; George F Cram. archive.org

This atlas preserves so much historical detail. 
Look at the use of that Washington Meridian!

... it might be coming back ... you never know these days ...

*  *  *

A New Century!
Map from 1904

from: Handy Reference Atlas of the World; JG Bartholomew; 1904; John Walker & Co.


From the same year comes this text ... . 



Below, 'Countries of Iran' is derived from the apparent (from the Imperial British viewpoint) similarities of local geography and culture between the two peoples described. Of course, the majority Sunnis of Afghanistan and the Shias of Persia would point out there were other differences which escaped the writer's eye. 

Apparently, Persia only asked to addressed as 'Iran' in the 1930s. 

My cousin told me of a young woman using an institution's cafeteria and speaking to an older man behind the food display. The man noticed he had something in common with the woman. He asked her where she was from ...

She replied: 'Iran'. 

He responded: 'You mean Persia!


It is the simplest of dialogues. However, when I find myself going back to it, I'll often discover a different facet of meaning from his words ... when I imagine how he might have expressed himself.







The Afghanistan piece is included for Canadian readers - for the reference to Kandahar. 

I remember someone's (I don't know their nationality) comment somewhere on the internet early in that 2001-2021 war ... it was something like: 'Afghanistan: where empires have gone to get their asses kicked for hundreds of years.'

*  *  *

After doing some checking, I believe this is the Shah to whom the article refers. His immediate successors don't match the article's description. He began his rule as a reformer, but things got bogged down and he became more autocratic. He visited Europe three times and spent lavishly as he went - using money from the public purse. 

There was a significant structural problem he faced during his rule. He was a big shot in the capital ... but out in the countryside it was local tribal leaders and their armies who held the most power. He had to rent the tribal armies for any international armed conflicts.

Reza Shah Pahlavi (reigned 1925-1941) and Mohammad Reza Pahlavi (reigned 1941-1979) were from a different dynasty. At various times in the 1900s (... a turbulent century) there were a number of separated attempts to establish alternatives to royal rule.

from: Illustrated London News, 9 May 1896. archive.org

*  *  *

My West Point atlases suggest that there was nothing worth studying during World War One in Persia. 

I include the map below as a sentimental favourite. Time and time again we seem to work so hard to tip our collective societies into the Apocalyptic End Times foreseen by 'John of Unknown Identity' and as recorded in his hallucinated and frankly wacky biblical book of Revelation. 

The Megiddo Plain is better known by its Greek name: Armageddon. Megiddo is on the map just southeast of the coastal port of Haifa.

from: The West Point Atlas of War; Ed: Gen. Vincent J Esposito; 1959; US Military Academy. reprint 1995

*  *  *

Just after World War One, in 1921, we have the map below.
Note: Railways are shown in red - the legend is reproduced below the map.

from: Winston's Complete Atlas of the World; 1921; John C Winston Co.

*  *  *

Also from 1921:
In the future it will always be about the oil ...

from: Geology of Petroleum; William Emmons; 1921; McGraw-Hill.

*  *  *

In 1924, another British atlas.

from: Citizen's Atlas of the World; 1924; John Bartholomew & Son.

*  *  *

From the 1930s ... for Canadians ... by Americans ...

from: Imperial Royal Canadian World Atlas "An Atlas for Canadians"; Ed: Fred James; 1935; Geographical Publishing Co, Chicago.

*  *  *

World War Two

Almost three years before the Normandy landings, both Britain and the USSR are saving the Persian/Iranian oilfields from potential servitude under the Nazi jackboot. 

And when the Americans arrive in 1942, they will operate the railways very efficiently as pure military assets. This will facilitate the shipment of war materiel to the USSR. Diesel-electrics will displace steam. Military RSD-1 units will be called 'the diesels that saved Russia'.

To return the favour, Russia will save the diesels ... and reverse engineer them to build their own copies.

from: Daily Mail World War Atlas; circa 1943; Daily Mail. 

*  *  *

Almost to the present day ...

Here are a couple of older aviation charts. One shows Khark Island. The other gives a nice, detailed representation of the Strait of Hormuz.

from: Perry-CastaƱeda Library Map Collection, University of Texas at Austin.

According to various YouTube videos, this end of the Persian Gulf drew considerable interest from international traders in previous centuries because of the natural pearls which were harvested here in abundance by pearl divers. Over time, this industry ceased to attract the same attention after Kokichi Mikimoto (1858-1954) of Japan was successful in culturing the first pearls in 1893. 

Khark Island was formed by coral. Coral bleaching from sea water temperature rise has degraded many of the area's corals. Much of the island has been taken over and scarred by extensive petroleum operations ... and aerial bombing during the last couple of weeks.

Today's large-draft ULCCs use the island. 

*  *  *

Finally, the Strait of Hormuz.

Bandar Abbas is Iran's main ocean gateway - the yellow area at the very top of the Strait.

from: Perry-CastaƱeda Library Map Collection, University of Texas at Austin.


end