ARTi

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
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misslily Samoa travels to the future

Jul 12

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misslily Kiribati and the millennium leap

Jul 12

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misslily The imaginary line in the Pacific

Jul 12

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misslily The 26-hour day phenomenon

Jul 12

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The zigzagging International Date Line

misslily The zigzagging International Date Line

Jul 10

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misslily The zigzagging International Date Line

I look across the water to see what's in store, Tomorrow is waving from the opposite shore!

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Samoa travels to the future

misslily Samoa travels to the future

Jul 10

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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.

Jul 10

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Kiribati and the millennium leap

misslily Kiribati and the millennium leap

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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.

Jul 10

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Quiz

What day did Samoa completely skip in December 2011?

Jul 10

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Gossip

Would you skip your birthday to travel to the future?

Jul 10

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Quiz

Which of these is the westernmost time zone offset, used by uninhabited US territories?

Jul 10

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Quiz

How many different calendar days can exist simultaneously on Earth at any one moment?

Jul 10

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Quiz

Which nation's trade relations with Australia and New Zealand prompted its 2011 time zone shift?

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Quiz

What is the easternmost time zone offset currently in use on Earth?

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Quiz

In which ocean does the International Date Line primarily lie?

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Quiz

What happens to your calendar when you cross the Date Line traveling west toward Asia?

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Quiz

Which nation shifted the Date Line eastward in 1995 to unite its split islands?

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