Mapping global time zones
Chapter 1
The birth of global time
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Chapter 2
The zigzagging International Date Line
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Chapter 3
Extreme time zone anomalies
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Chapter 4
Living on the edge of time
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YOUR GOAL
Master of Mapping global time zones
Ch 2 · The zigzagging International Date Line
misslily I look across the water to see what's in store, Tomorrow is waving from the opposite shore!
Fun Fact
Samoa's missing day: In 2011, Samoa skipped December 30 entirely, going straight from December 29 to December 31 to align trade with Australia.
Glossary
international date line (noun)
An imaginary boundary on Earth's surface where the calendar date changes by one day. In 1995, Kiribati shifted the line eastward to unite its islands under a single calendar day.
An imaginary boundary on Earth's surface where the calendar date changes by one day. In 1995, Kiribati shifted the line eastward to unite its islands under a single calendar day.
Quiz
Which of these is the westernmost time zone offset, used by uninhabited US territories?
Quiz
How many different calendar days can exist simultaneously on Earth at any one moment?
Quiz
Which nation's trade relations with Australia and New Zealand prompted its 2011 time zone shift?
Quiz
What happens to your calendar when you cross the Date Line traveling west toward Asia?