Time Zones

1
Time Zones
2
Time Zones

• There are 24 hours in one day
• There are 24 time zones
• The world rotates through 360º
• Each time zone is 15º wide
• 360º/24 15º

3
Time Zones

• Every place within the time zone has the same
  time known as Standard Time
• Sir Sanford Fleming, Canadian Engineer and
  Railway Surveyor proposed the use of time zones
  to help coordinate arrivals and departures of
  planes.

4
Time Zones

• In 1884, the system was approved
• Started at the Prime Meridian running through
  Greenwich England
• The time in that zone is called UT(Universal Time)

5
International Date Line

• Follows the 180º Longitude
• If you cross the date line moving eastward, you
  add a day
• Moving westward you lose a day

6
Daylight Saving Time

• Many countries change their time according to the
  season
• Cuts down on energy if you dont have to use the
  lights until later in the day
• Canada begins DST the 1st Sun. in April and ends
  on the last Sun. in October
• Fall back an hour, spring - forward

7
Canadas Time Zones
Take away time
Add time
8
Activity/Homework

• Text-read pages 37-40
• Worksheets

9
Answer the following questions

1. 1000am in Toronto, it is ________ in Vancouver.
2. 400pm in Winnipeg, it is ________ in St. Johns.
3. 200am in Edmonton, it is _________ in Halifax.