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World 6 · Clocks Around the World · 8 min · PRO

The date line and daylight saving

Where tomorrow begins

PRO · Map Lab

World 6: Clocks Around the World is part of PRO

The first world of Map Lab is free. PRO opens the other 24 lessons in 6 worlds — simulations, quizzes and all.

  • Noon moves west
  • The longitude problem
  • Time zones and UTC
  • Which north?
  • Scale: how much smaller than real?
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  • All 60 labs — every world, every lesson
  • Practice exams and certificates

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← Time zones and UTCWhich north? →

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