International Time Zones 2
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Question 1 of 5
1. Question
Find the local time in Melbourne given the following:Melbourne `(+10)`New York `(5) 6`pm MondayHint
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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 middleThe prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zonesThis 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`10+5` `=` `15` hours Since Melbourne is to the east of New York, add `15` hours to `6`pm`6`pm `+15` hours `=` `18:00+15` hours Convert `6`pm to military time by adding `12` `=` `18°+15°` press the DMS button on the calculator for every `°` `=` `33°` Since the answer is greater than `24`, it means the time we are looking for occurs the day after which is TuesdaySimply subtract `24` hours to get a proper time format`33°24°` `=` `9°` `=` `09:00`am The time in Melbourne is `09:00`am Tuesday`09:00`am Tuesday 
Question 2 of 5
2. Question
Find the local time in New Delhi given the following:New Delhi `(+5 1/2)`Johannesburg `(+2) 9`am FridayHint
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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 both time zones are positive, the Prime Meridian should be drawn firstThe prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zonesThis 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 1/22` `=` `3 1/2` hours Since New Delhi is to the east of Johannesburg, add `3 1/2` hours to `9`am`9`am `+3 1/2` hours `=` `09:00+3 1/2` hours `=` `12:30`pm The time in New Delhi is `12:30`pm Friday`12:30`pm Friday 
Question 3 of 5
3. Question
Find the local time in Honolulu given the following:Honolulu `(10)`Sydney `(+10) 6`am FridayHint
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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 middleThe prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zonesThis 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`10+10` `=` `20` hours Since Honolulu is to the west of Sydney, subtract `20` hours from `6`am`6`am `20` hours `=` `060020` hours `=` `6°20°` press the DMS button on the calculator for every `°` `=` `14°` Since the answer is negative, it means the time we are looking for occurs the day before which is ThursdaySimply add `24` hours to get a proper time format`14°+24°` `=` `10°` `=` `10:00`am The time in Honolulu is `10:00`am Thursday`10:00`am Thursday 
Question 4 of 5
4. Question
Find the local time in Miami given the following:Miami `(5)`Madrid `(+2) 5`pm SaturdayHint
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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 middleThe prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zonesThis 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+2` `=` `7` hours Since Miami is to the west of Madrid, subtract `7` hours from `5`pm`5`pm `7` hours `=` `17:007` hours Convert `6`pm to military time by adding `12` `=` `17°7°` press the DMS button on the calculator for every `°` `=` `10°` `=` `10:00`am The time in Miami is `10:00`am Saturday`10:00`am Saturday 
Question 5 of 5
5. Question
Joshua is in Perth and wants to call his dad who is in Sydney at `6:30`pm, Sydney time. What time must he call from Perth? Use the following time zonesPerth `(+8)`Sydney `(+10)`Hint
Help VideoCorrect
Nice Job!
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 both time zones are positive, the Prime Meridian should be drawn firstThe prime meridian is also called Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC)Draw a line that connects the two time zonesThis 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``108` `=` `2` hours Since Perth is to the west of Sydney, subtract `2` hours from `6:30`pm`6:30`pm `2` hours `=` `4:30`pm Since Joshua is in Perth, he must make the call at `4:30`pm so his dad will receive the call at `6:30`pm Sydney time.`4:30`pm
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