Airline Mathematics : Airline Mathematics Next Slide
Travel : Travel More travel across continents etc.
The need to schedule flights.
More frequent journeys that involve more than one flight, stopovers etc. Previous Slide Next Slide
Greenwich Mean Time (GMT) : Greenwich Mean Time (GMT) All time is measured from Greenwich a suburb of London in England.
The zero degree longitude line or the Prime Meridian passes through Greenwich.
Greenwich Mean Time (GMT) is the time it is in Greenwich.
Greenwich was chosen as a lot of the world’s sea charts were being drawn up in England at that time. Previous Slide Next Slide
Earth’s Rotation : Earth’s Rotation 24 hours to make a complete rotation of 360o
360 / 24 = 15
Every 150 approx. 1 hour Previous Slide Next Slide
Time Zones : Time Zones The earth is divided into time zones.
Each time zone has a difference in time of approx 1 hour from Greenwich.
Time zones tend to avoid land mass if possible. Next Slide Previous Slide
Slide6 :
International Date Line : International Date Line This line is at 1800 degrees Longitude.
Time is the same on each side of the line, only it is a different day.
Next Slide Previous Slide
East or West of Greenwich : East or West of Greenwich The earth travels west to east, hence the west is behind the east.
Add 1 hour for each zone east of Greenwich and subtract 1 hour for each zone west of Greenwich. Next Slide Previous Slide
Problem Sheet 1 Galway 2 p.m. : Problem Sheet 1 Galway 2 p.m. Next Slide Previous Slide +5.30 =19.30 Delhi -5= 9.00 New York +10=00.00 Brisbane +9=23.00 Tokyo +1=15.00 Paris +3 = 17.00 Moscow
Problem Sheet 1. Activity 5. San Francisco 7.30 a.m. : Problem Sheet 1. Activity 5. San Francisco 7.30 a.m. 23.30 Beijing 18.30 Moscow 16.30 Paris 17.30 Johannesburg 15.30 Dublin 10.30 New York Previous Slide Next Slide
Problem Sheet 1. Activity 6. January 24th 10.30 p.m. in New York : Problem Sheet 1. Activity 6. January 24th 10.30 p.m. in New York Next Slide Previous Slide
Problem Sheet 1. Activity 7. Nov 5th 3.00 a.m. in Brisbane : Problem Sheet 1. Activity 7. Nov 5th 3.00 a.m. in Brisbane Next Slide Previous Slide
Problem Sheet 2 Activity 2 : Problem Sheet 2 Activity 2 Next Slide Previous Slide 18. 40 Johannesburg time or 16.40 Irish Time So leaves 6 a.m. Johannesburg time 1 am Irish Time = 3 a.m. Johannesburg time 13.00 Return flight 12 hrs 40 minutes Stops 3 hours +12 for flight Dublin
Problem Sheet 2. Activity 3. 11 a.m. Departure from Dublin : Problem Sheet 2. Activity 3. 11 a.m. Departure from Dublin Previous Slide Arrival Local Time Arrival Irish Time Flying Time City 13.30 18.30 7.30 New York 6.30 2 days later 20.30 next day 33.30 Brisbane 3.30 next day 22.00 11 Delhi 2.30 next day 00.30 next day 13.30 Johannesburg 8.30 Next Day 23.30 12.30 Tokyo 16.00 same day 00.00 next day 13 San Francisco 19.30 16.30 5.30 Moscow Next Slide
Problem Sheet 2. Activity 4 : Problem Sheet 2. Activity 4 Previous Slide 10.00 Brisbane 20 hours Flight time 15.00 same day 06.00 next day Arrival New York time Arrival Brisbane time Next Slide
Problem Sheet 2. Activity 5. : Problem Sheet 2. Activity 5. Previous Slide 12.00 20.00 6.00 next day 8.00 previous day 16.00 previous day 02.00 04.00 12.00 22.00 00.00 8.00 18.00 20.00 previous day 04.00 14.00 16.00 previous day 00.00 10.00 San Francisco Dublin Brisbane Next Slide
Brisbane / London / San Francisco : Brisbane / London / San Francisco Previous Slide Next Slide
Time converter : Time converter http://www.timezoneconverter.com/cgi-bin/tzc.tzc Previous Slide Next Slide
Problem sheet3 : Problem sheet3 Have fun !!!! Previous Slide