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Hagan Ahora: • Write out the following times in Spanish. • 1) 7:45pm • 2) 12:00am • 3) 1:30pm • 4) 9:22am
TIME ZONES What are they? Why do we have them? How do they work?
Time Zones • The Earth is currently divided into 24 major time zones so that everyone in the world can be on roughly similar schedules (noon being roughly when the sun is highest in the sky). • Each time zone is one hour later-earlier • Distance to the next time zone is 15 degrees longitude • The US has 4 time zones… • CAN YOU NAME THEM?
Who came up with the idea? • The idea to divide the Earth into time zones was proposed by the Canadian railway planner and engineer Sir Sanford Fleming (1827 - 1915) in the 1870’s.
Why should I care? • Have you worked for an international corporation? Do you have any interest in business? • Companies that are international sometimes must coordinate conference calls with people around the world. • Zara is a Spanish company – If they are working with the buyers and executives in New York, you know they have to coordinate when a good time it is to call and discuss business.
It’s like a Number Line! SUBTRACT an hour for each time zone as you move WEST ADD and hour for each time zone as you move EAST • 0 + Your place of origin
Ejemplos de ZonasenSudamerica • PYST – Paraguay Summer Time + 1 hora • Mexico y Costa Rica – CDT Central Daylight Time – 1 hora • España – CEST Central European Summer Time + 8 horas
¡Praticamos! • Son las ocho y media de la mañana en Nueva York. • ¿Qué hora es en Madrid, España?
¡Praticamos! • Es la una y cinco de la tarde en Nueva York. • ¿Qué hora es en San Jose, Costa Rica?
Exit Slip • 1) Why do time zones exist and how could it affect your life? • 2) Honduras está muy cerca (close) de Costa Rica y Nicaragua. ¿Qué hora es en Honduras?