World Local TimeGlobal local time
Watches constantly remind us that the earth's rotation causes the everyday cycles and influences the hours of dawn and dusk. What are the reasons for setting watches to different hours in different parts of the world? The Quatama Elementary Put a number of watches on. Put one of the watches on Universal Time and mark it with Greenwich, England.
Organize your watches according to latitude and longitude. Go to the The Greenwich is 0 degrees long-. Set the watches to the right eastwards of Greenwich and the watches to the left westwards of Greenwich. Show a global or world time zoning graph next to the watches and record each site. Add latitude information for each site as part of the view.
Reference the watches at different hours of the morning. Take the example of during the midday break, exploring what humans around the world could do at the same time. You can use the dawn motion to make your pupils remember that the earth rotates causing dawn and dusk at different time points around the world.
Ask the pupils to lift their arms when the sun rises in any place. Where is the distinction between "local time" and "world time"? What is the use of time zone? What is the importance of the universal time approach? What's Greenwich, England, like, time-based? What is the relationship between time and latitude? Why is it that different parts of the world are different at different times of the year?
What would your days be like without watches? If the world didn't have time belts?