Chapter 1
The birth of modern forecasting
Chapter 2
Old Probabilities and the Weather Bureau
Chapter 3
Standardizing time for the world
YOUR GOAL
Master of The father of weather forecasting
Ch 3 · Standardizing time for the world
schopenhauer Standard Time Zones
We synchronized the clocks to standard time (right on time!) / To map the weather across every state line (across the lines!)

schopenhauer Railroads and telegraphs synchronized the continent's clocks on a single historic day.

schopenhauer Abbe proposed a simple four-zone plan to synchronize clocks across the United States.

BETA
schopenhauer Spin the dial to discover how Cleveland Abbe helped establish standard time zones.
Fun Fact
The two noons: On November 18, 1883, some cities experienced two noon hours in one day as clocks were adjusted backward to match the new standard time zones.
Glossary
standard time (noun)
The uniform time of a region, usually established by law or custom and based on a specific meridian. In 1879, meteorologist Cleveland Abbe urged the adoption of a uniform system to coordinate national weather observations.
The uniform time of a region, usually established by law or custom and based on a specific meridian. In 1879, meteorologist Cleveland Abbe urged the adoption of a uniform system to coordinate national weather observations.
Quiz
Which international conference in 1884 helped spread standard time zones globally?
Quiz
In what year did Cleveland Abbe publish his influential 'Report on Standard Time'?
Quiz
Before standard time zones, how did most towns in the 19th century determine what time it was?
Quiz
Which city served as the central hub where telegraph lines transmitted the new standard time signal in 1883?
Quiz
On what date did North American railroads finally synchronize their clocks to standard time zones?
Quiz
How many standard time zones did Cleveland Abbe propose for the contiguous United States?
Quiz
What major industry was the first to adopt Cleveland Abbe's time zone proposals to prevent train crashes?
