1 / 7

Time Zones

Time Zones. Time Zones There are 24 hours in one day: There are 24 time zones The world rotates through 360 º Each time zone is 15º wide 360º/24 = 15º. Every place within the time zone has the same time. Known as Standard Time

meghan
Download Presentation

Time Zones

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Time Zones • 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

  2. 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 trains.

  3. In 1884, the system was approved • Started at the Prime Meridian running through Greenwich England. • East ADD time, West SUBTRACT time • The time in that zone is called UT (Universal Time) • Some countries have modified the time zones following the borders of the country or province.(p.38)

  4. Guess the Time?? • http://wwp.greenwichmeantime.com/home.htm

  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 • Pg.38

  6. Daylight Savings Time • Many countries change their time according to the season • Cuts down on energy if you don’t have to use the lights until later in the day. • 2012 – Daylight Savings Time occurs on Sunday march 11 (springs forward) and ends on Sunday November 4 (falls back).

  7. Canada’s Time Zones

More Related