City history

Montreal: A Timekeeping and Naming History

From its Kanien'kéha origin as Tiohtià:ke to establishing standard time through the McGill Observatory, Montreal's history reflects a key crossroads of rivers, trade, and chronometry.

1535 – Present 3 chapters 5 min read

Chapter one

Name & etymology

Indigenous name

Tiohtià:ke Kanien'kéha
"Where the currents meet"

Kanien'kéha name for the area around the Island of Montreal, referencing the confluence of the St. Lawrence and Ottawa rivers and its long tradition as a First Nations gathering place.

Time immemorial
1535 Hochelaga

Beaver path or big rapids

Documented by French explorer Jacques Cartier in 1535 as a fortified St. Lawrence Iroquoian village located near the foot of Mount Royal.

1642–1705 Ville-Marie

City of Mary

Established in May 1642 as a French Catholic mission led by Paul de Chomedey, Sieur de Maisonneuve, and Jeanne Mance on the St. Lawrence River.

1705–present Montréal

Mount Royal

Derived from Mont Royal, named by Jacques Cartier in 1535. The name gradually superseded Ville-Marie in official usage by the early 18th century.

Chapter two

Timezone history

Current timezone America/Toronto
Standard
EST (UTC-5)
Daylight
EDT (UTC-4)
1883 Standard Time Adoption1883-11-18

On November 18, 1883, North American railways adopted standardized time zones. Montreal transitioned from local mean solar time to Eastern Standard Time, set five hours behind Greenwich Mean Time.

1918 First Daylight Saving Time1918-04-14

Canada introduced Daylight Saving Time under the Daylight Saving Act of 1918 as a wartime measure to conserve energy and optimize agricultural production during World War I.

1940 WWII Daylight Saving

Quebec re-adopted Daylight Saving Time during World War II to boost war production, aligning industrial schedules with major North American trade centers and manufacturing hubs.

2007 Harmonized DST Schedule2007-03-11

Quebec synchronized its Daylight Saving Time schedule with North American standards, shifting clock adjustments to the second Sunday in March and the first Sunday in November.

Chapter three

Timekeeping milestones

McGill Observatory Established Dominion timekeeping station

Dr. Charles Smallwood transferred his observatory to McGill University. Connected via telegraph cables, the McGill Observatory determined precise time via stellar transit observations, serving as Canada's primary timekeeper.

Sandford Fleming's Standard Time Global standard time system

Canadian engineer Sir Sandford Fleming presented his global standard time proposal at the 1882 Montreal Conference. North American railways officially implemented the system in November 1883.

Old Port Clock Tower Inaugurated Sailors' memorial and harbor clock

Completed in 1922 to honor fallen Merchant Marine sailors of World War I, the 45-meter Old Port Clock Tower houses a master clock mechanism built by England's Gillett & Johnston.

Mount Royal Cross Illumination Illuminated landmark atop the mountain

The 30-meter steel cross atop Mount Royal was lit for the first time on Christmas Eve 1924, commemorating a wooden cross raised in 1643 by city founder Paul de Chomedey, Sieur de Maisonneuve.

Montreal Metro Opening Rubber-tired underground transit network

Inaugurated on October 14, 1966, Montreal's rubber-tired underground metro system synchronized rapid transit across the urban region with high-frequency departure schedules.

An unhandled error has occurred. Reload 🗙