The birth of global time
The zigzagging International Date Line
Extreme time zone anomalies
Living on the edge of time
YOUR GOAL
Master of Mapping global time zones
misslily The zigzagging International Date Line
I look across the water to see what's in store, Tomorrow is waving from the opposite shore!
misslily Samoa skipped an entire day in 2011 to align its calendar with its closest trading partners.
misslily The island nation of Kiribati shifted the Date Line eastward to unite its territory and claim the new millennium.
misslily Drag the line around Pacific islands to learn how countries choose their calendar date.
Samoa's missing day: In 2011, Samoa skipped December 30 entirely, going straight from December 29 to December 31 to align trade with Australia.
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.
Which of these is the westernmost time zone offset, used by uninhabited US territories?
How many different calendar days can exist simultaneously on Earth at any one moment?
Which nation's trade relations with Australia and New Zealand prompted its 2011 time zone shift?
What happens to your calendar when you cross the Date Line traveling west toward Asia?