International Time Zones 1
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Question 1 of 5
1. Question
Find the time difference between Paris and Adelaide given the following time zones:Paris `(+1)`Adelaide `(+9 1/2)`Hint
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Standard time zones divide the Earth in `15°` regions which means each zone has a `1`-hour differenceThe Prime Meridian’s time zone is `0`Finding the Time Difference
`-1` time zone `=1` hour of time difference to the west (West = lest)`+1` time zone `=1` hour of time difference to the east (East = beast)First, draw a rectangle with the Prime Meridian and the two time zonesSince both time zones are positive, draw the line for the Prime Meridian first
The prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zones
This line represents a minus sign, which means we must get the difference between the two time zonesWe find the difference because both cities are on one side of `UTC``9 1/2-1` `=` `8 1/2` hours Hence, the time difference between Paris and Adelaide is `8 1/2` hours`8 1/2` hours -
Question 2 of 5
2. Question
Find the time difference between Toronto and Singapore given the following time zones:Toronto `(-5)`Singapore `(+8)`- (13) hour(s)
Hint
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Correct!
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Standard time zones divide the Earth in `15°` regions which means each zone has a `1`-hour differenceThe Prime Meridian’s time zone is `0`Finding the Time Difference
`-1` time zone `=1` hour of time difference to the west (West = lest)`+1` time zone `=1` hour of time difference to the east (East = beast)First, draw a rectangle with the Prime Meridian and the two time zonesSince the time zones have different signs, the Prime Meridian should be drawn in the middle
The prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zones
This represents a plus sign, which means we must get the sum of the two time zonesWe find the sum because both cities are on either side of `UTC`Make sure to add them as both positive numbers`5+8` `=` `13` hours Hence, the time difference between Toronto and Singapore is `13` hours`13` hours -
Question 3 of 5
3. Question
Find the time difference between Washington, D.C. and Dallas given the following time zones:Washington, D.C. `(-5)`Dallas `(-6)`- (1) hour
Hint
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Keep Going!
Incorrect
Standard time zones divide the Earth in `15°` regions which means each zone has a `1`-hour differenceThe Prime Meridian’s time zone is `0`Finding the Time Difference
`-1` time zone `=1` hour of time difference to the west (West = lest)`+1` time zone `=1` hour of time difference to the east (East = beast)First, draw a rectangle with the Prime Meridian and the two time zonesSince the time zones are both negative, the Prime Meridian should be drawn last
The prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zones
This line represents a minus sign, which means we must get the difference between the two time zonesWe find the difference because both cities are on one side of `UTC``-5-(-6)` `=` `1` hour Hence, the time difference between Washington D.C. and Dallas is `1` hour`1` hour -
Question 4 of 5
4. Question
Find the time difference between New York and Abu Dhabi given the following time zones:New York `(-5)`Abu Dhabi `(+4)`- (9) hour(s)
Hint
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Fantastic!
Incorrect
Standard time zones divide the Earth in `15°` regions which means each zone has a `1`-hour differenceThe Prime Meridian’s time zone is `0`Finding the Time Difference
`-1` time zone `=1` hour of time difference to the west (West = lest)`+1` time zone `=1` hour of time difference to the east (East = beast)First, draw a rectangle with the Prime Meridian and the two time zonesSince the time zones have different signs, the Prime Meridian should be drawn in the middle
The prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zones
This represents a plus sign, which means we must get the sum of the two time zonesWe find the sum because both cities are on either side of `UTC`Make sure to add them as both positive numbers`5+4` `=` `9` hours Hence, the time difference between New York and Abu Dhabi is `9` hours`9` hours -
Question 5 of 5
5. Question
Find the local time in Paris given the following:Paris `(+1)`Washington, D.C. `(-5) 9`pm ThursdayHint
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Excellent!
Incorrect
Standard time zones divide the Earth in `15°` regions which means each zone has a `1`-hour differenceThe Prime Meridian’s time zone is `0`Finding the Time Difference
`-1` time zone `=1` hour of time difference to the west (West = lest)`+1` time zone `=1` hour of time difference to the east (East = beast)First, draw a rectangle with the Prime Meridian and the two time zonesSince the time zones have different signs, the Prime Meridian should be drawn in the middle
The prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zones
This represents a plus sign, which means we must get the sum of the two time zonesWe find the sum because both cities are on either side of `UTC`Make sure to add them as both positive numbers`1+5` `=` `6` hours Since Paris is to the east of Washington D.C., add `6` hours to `9`pm`9`pm `+6` hours `=` `21:00+6` hours Convert `9`pm to military time by adding `12` `=` `21°+6°` press the DMS button on the calculator for every `°` `=` `27°` Since the answer is greater than `24`, it means the time we are looking for occurs the day after which is FridaySimply subtract `24` hours to get a proper time format`27°-24°` `=` `3°` `=` `03:00`am The time in Paris is `03:00`am Friday`03:00`am Friday
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