Presentation on theme: "Hagan Ahora: Write out the following times in Spanish. 1) 7:45pm"— Presentation transcript:
1 Hagan Ahora: Write out the following times in Spanish. 1) 7:45pm 2) 12:00am3) 1:30pm4) 9:22am
2 What are they? Why do we have them? How do they work? TIME ZONESWhat are they? Why do we have them? How do they work?
3 Time ZonesThe 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-earlierDistance to the next time zone is 15 degrees longitudeThe US has 4 time zones…CAN YOU NAME THEM?
4 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 ( ) in the 1870’s.
5 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.
6 It’s like a Number Line! 0 + SUBTRACT an hour for each time zone as you move WESTADD and hourfor each time zoneas you move EAST0 +Your place of origin