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Step-by-step solution for: World time zones - activities - Primary KS2 teaching resource ...
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Show Answer Key & Explanations
Step-by-step solution for: World time zones - activities - Primary KS2 teaching resource ...
Since I can't view or access images directly, I’ll help you solve the problem based on the text you’ve provided. Let’s go through the World Time Zones worksheet step by step.
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The table shows various locations and their time differences from UTC (Coordinated Universal Time), which is the same as GMT (Greenwich Mean Time).
| City or Country | Time Zone (UTC) | Other Locations |
|------------------|------------------|------------------|
| Hawaii | UTC –10 hours | |
| Los Angeles, USA | UTC –8 hours | |
| Guatemala | UTC –6 hours | |
| New York, USA | UTC –5 hours | |
| Saint Lucia | UTC –4 hours | |
| Argentina | UTC –3 hours | |
| England | UTC | |
| France | UTC + 1 hour | |
| Madagascar | UTC + 2 hours | |
| Uganda | UTC + 3 hours | |
| Thailand | UTC + 7 hours | |
| China | UTC + 8 hours | |
| Japan | UTC + 9 hours | |
| Sydney, Australia| UTC + 10 hours | |
> Note: All times are relative to UTC.
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Let’s solve each question using the time zone differences.
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#### ✔ 1. If the time is 10:30 am in England, what time is it in Sydney?
- England = UTC
- Sydney = UTC + 10 hours
So, add 10 hours to 10:30 am:
> 10:30 am + 10 hours = 8:30 pm
✔ Answer: 8:30 pm in Sydney
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#### ✔ 2. It's 2:30 pm in Hawaii, what time is it in Saint Lucia?
- Hawaii = UTC –10
- Saint Lucia = UTC –4
Difference:
Saint Lucia is 6 hours ahead of Hawaii (because –4 – (–10) = +6)
So, add 6 hours to 2:30 pm:
> 2:30 pm + 6 hours = 8:30 pm
✔ Answer: 8:30 pm in Saint Lucia
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#### ✔ 3. It's 5:00 pm in Guatemala, what time is it in France?
- Guatemala = UTC –6
- France = UTC +1
Difference:
France is 7 hours ahead of Guatemala (1 – (–6) = +7)
Add 7 hours to 5:00 pm:
> 5:00 pm + 7 hours = 12:00 am (midnight)
✔ Answer: 12:00 am (midnight) in France
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#### ✔ 4. It's midnight in Greece, what time is it in New York?
- Greece = UTC +1 (same as France)
- New York = UTC –5
Difference:
New York is 6 hours behind Greece (–5 – (+1) = –6)
Subtract 6 hours from midnight:
> 12:00 am – 6 hours = 6:00 pm (previous day)
✔ Answer: 6:00 pm (the previous day) in New York
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#### ✔ 5. It's 8:30 pm in France, what time is it in China?
- France = UTC +1
- China = UTC +8
China is 7 hours ahead of France
Add 7 hours to 8:30 pm:
> 8:30 pm + 7 hours = 3:30 am (next day)
✔ Answer: 3:30 am (next day) in China
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#### ✔ 6. It's 11:00 am in Argentina, what time is it in Pakistan?
- Argentina = UTC –3
- Pakistan = UTC +5 (not listed, but we can infer from context — Pakistan is UTC+5)
Wait — Pakistan isn’t in the table. But let’s assume this is a mistake and check if Thailand is meant instead? No, the question says Pakistan.
But based on real-world knowledge:
- Pakistan = UTC +5
So difference:
Pakistan is 8 hours ahead of Argentina (5 – (–3) = 8)
Add 8 hours to 11:00 am:
> 11:00 am + 8 hours = 7:00 pm
✔ Answer: 7:00 pm in Pakistan
> ⚠️ Note: The original table doesn’t list Pakistan, so this assumes standard time zone knowledge.
---
#### ✔ 7. It's 1:30 pm in Fiji, what time is it in Los Angeles?
- Fiji = UTC +12 (not in table — but known fact)
- Los Angeles = UTC –8
Fiji is 20 hours ahead of Los Angeles
But wait: Since the table doesn’t include Fiji, maybe there's a typo?
Alternatively, perhaps Sydney is intended?
But the question says Fiji, so we use real-world knowledge:
- Fiji = UTC +12
- Los Angeles = UTC –8
Difference: 12 – (–8) = 20 hours
So subtract 20 hours from 1:30 pm:
> 1:30 pm – 20 hours = 5:30 am (previous day)
✔ Answer: 5:30 am (previous day) in Los Angeles
---
Now, answer these:
#### ✔ How many lines of longitude are there in total?
There are 360 degrees around the Earth.
Each line of longitude is 1 degree apart, so:
> 360 lines of longitude
✔ Answer: 360
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#### ✔ Which country has the most time zones and how many does it span?
The country with the most time zones is Russia, which spans 11 time zones.
(Other contenders: USA has 6, but Russia spans more.)
✔ Answer: Russia, 11 time zones
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#### ✔ What is the International Date Line?
The International Date Line is an imaginary line that runs roughly along the 180° longitude. It marks the boundary where one calendar day ends and another begins.
When you cross it going east, you subtract a day; going west, you add a day.
✔ Answer: The International Date Line is an imaginary line at approximately 180° longitude that separates one calendar day from the next.
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#### ✔ Name three countries that observe Daylight Saving Time and find out why they do this.
Examples:
1. United States – Adjusts clocks forward in spring and back in fall to make better use of daylight during summer months.
2. United Kingdom – Observes BST (British Summer Time), saving energy and extending evening daylight.
3. Australia (some states) – Especially Victoria and New South Wales, to save energy and align working hours with daylight.
Why? To reduce energy use (e.g., less lighting needed) and make better use of natural daylight.
✔ Answer:
- United States
- United Kingdom
- Australia
They do this to maximize daylight during waking hours, especially in summer, to save energy and improve convenience.
---
#### ✔ How many time zones does the International Space Station use?
The ISS uses UTC (Coordinated Universal Time) as its official time zone.
This is because astronauts come from different countries, and UTC avoids confusion.
✔ Answer: 1 time zone — UTC
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| Question | Answer |
|--------|--------|
| 1. England 10:30 am → Sydney | 8:30 pm |
| 2. Hawaii 2:30 pm → Saint Lucia | 8:30 pm |
| 3. Guatemala 5:00 pm → France | 12:00 am (midnight) |
| 4. Greece midnight → New York | 6:00 pm (previous day) |
| 5. France 8:30 pm → China | 3:30 am (next day) |
| 6. Argentina 11:00 am → Pakistan | 7:00 pm |
| 7. Fiji 1:30 pm → Los Angeles | 5:30 am (previous day) |
| Challenge 1: Lines of longitude | 360 |
| Challenge 2: Most time zones | Russia, 11 |
| Challenge 3: International Date Line | Imaginary line at 180°, changes calendar day |
| Challenge 4: DST countries | USA, UK, Australia (reason: save energy, use daylight) |
| Challenge 5: ISS time zones | 1 (UTC) |
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Let me know if you'd like a printable version or want to double-check any answers!
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🔹 Understanding the Table
The table shows various locations and their time differences from UTC (Coordinated Universal Time), which is the same as GMT (Greenwich Mean Time).
| City or Country | Time Zone (UTC) | Other Locations |
|------------------|------------------|------------------|
| Hawaii | UTC –10 hours | |
| Los Angeles, USA | UTC –8 hours | |
| Guatemala | UTC –6 hours | |
| New York, USA | UTC –5 hours | |
| Saint Lucia | UTC –4 hours | |
| Argentina | UTC –3 hours | |
| England | UTC | |
| France | UTC + 1 hour | |
| Madagascar | UTC + 2 hours | |
| Uganda | UTC + 3 hours | |
| Thailand | UTC + 7 hours | |
| China | UTC + 8 hours | |
| Japan | UTC + 9 hours | |
| Sydney, Australia| UTC + 10 hours | |
> Note: All times are relative to UTC.
---
🔹 Answering the Questions
Let’s solve each question using the time zone differences.
---
#### ✔ 1. If the time is 10:30 am in England, what time is it in Sydney?
- England = UTC
- Sydney = UTC + 10 hours
So, add 10 hours to 10:30 am:
> 10:30 am + 10 hours = 8:30 pm
✔ Answer: 8:30 pm in Sydney
---
#### ✔ 2. It's 2:30 pm in Hawaii, what time is it in Saint Lucia?
- Hawaii = UTC –10
- Saint Lucia = UTC –4
Difference:
Saint Lucia is 6 hours ahead of Hawaii (because –4 – (–10) = +6)
So, add 6 hours to 2:30 pm:
> 2:30 pm + 6 hours = 8:30 pm
✔ Answer: 8:30 pm in Saint Lucia
---
#### ✔ 3. It's 5:00 pm in Guatemala, what time is it in France?
- Guatemala = UTC –6
- France = UTC +1
Difference:
France is 7 hours ahead of Guatemala (1 – (–6) = +7)
Add 7 hours to 5:00 pm:
> 5:00 pm + 7 hours = 12:00 am (midnight)
✔ Answer: 12:00 am (midnight) in France
---
#### ✔ 4. It's midnight in Greece, what time is it in New York?
- Greece = UTC +1 (same as France)
- New York = UTC –5
Difference:
New York is 6 hours behind Greece (–5 – (+1) = –6)
Subtract 6 hours from midnight:
> 12:00 am – 6 hours = 6:00 pm (previous day)
✔ Answer: 6:00 pm (the previous day) in New York
---
#### ✔ 5. It's 8:30 pm in France, what time is it in China?
- France = UTC +1
- China = UTC +8
China is 7 hours ahead of France
Add 7 hours to 8:30 pm:
> 8:30 pm + 7 hours = 3:30 am (next day)
✔ Answer: 3:30 am (next day) in China
---
#### ✔ 6. It's 11:00 am in Argentina, what time is it in Pakistan?
- Argentina = UTC –3
- Pakistan = UTC +5 (not listed, but we can infer from context — Pakistan is UTC+5)
Wait — Pakistan isn’t in the table. But let’s assume this is a mistake and check if Thailand is meant instead? No, the question says Pakistan.
But based on real-world knowledge:
- Pakistan = UTC +5
So difference:
Pakistan is 8 hours ahead of Argentina (5 – (–3) = 8)
Add 8 hours to 11:00 am:
> 11:00 am + 8 hours = 7:00 pm
✔ Answer: 7:00 pm in Pakistan
> ⚠️ Note: The original table doesn’t list Pakistan, so this assumes standard time zone knowledge.
---
#### ✔ 7. It's 1:30 pm in Fiji, what time is it in Los Angeles?
- Fiji = UTC +12 (not in table — but known fact)
- Los Angeles = UTC –8
Fiji is 20 hours ahead of Los Angeles
But wait: Since the table doesn’t include Fiji, maybe there's a typo?
Alternatively, perhaps Sydney is intended?
But the question says Fiji, so we use real-world knowledge:
- Fiji = UTC +12
- Los Angeles = UTC –8
Difference: 12 – (–8) = 20 hours
So subtract 20 hours from 1:30 pm:
> 1:30 pm – 20 hours = 5:30 am (previous day)
✔ Answer: 5:30 am (previous day) in Los Angeles
---
🔹 Challenge Questions
Now, answer these:
#### ✔ How many lines of longitude are there in total?
There are 360 degrees around the Earth.
Each line of longitude is 1 degree apart, so:
> 360 lines of longitude
✔ Answer: 360
---
#### ✔ Which country has the most time zones and how many does it span?
The country with the most time zones is Russia, which spans 11 time zones.
(Other contenders: USA has 6, but Russia spans more.)
✔ Answer: Russia, 11 time zones
---
#### ✔ What is the International Date Line?
The International Date Line is an imaginary line that runs roughly along the 180° longitude. It marks the boundary where one calendar day ends and another begins.
When you cross it going east, you subtract a day; going west, you add a day.
✔ Answer: The International Date Line is an imaginary line at approximately 180° longitude that separates one calendar day from the next.
---
#### ✔ Name three countries that observe Daylight Saving Time and find out why they do this.
Examples:
1. United States – Adjusts clocks forward in spring and back in fall to make better use of daylight during summer months.
2. United Kingdom – Observes BST (British Summer Time), saving energy and extending evening daylight.
3. Australia (some states) – Especially Victoria and New South Wales, to save energy and align working hours with daylight.
Why? To reduce energy use (e.g., less lighting needed) and make better use of natural daylight.
✔ Answer:
- United States
- United Kingdom
- Australia
They do this to maximize daylight during waking hours, especially in summer, to save energy and improve convenience.
---
#### ✔ How many time zones does the International Space Station use?
The ISS uses UTC (Coordinated Universal Time) as its official time zone.
This is because astronauts come from different countries, and UTC avoids confusion.
✔ Answer: 1 time zone — UTC
---
✔ Final Summary of Answers
| Question | Answer |
|--------|--------|
| 1. England 10:30 am → Sydney | 8:30 pm |
| 2. Hawaii 2:30 pm → Saint Lucia | 8:30 pm |
| 3. Guatemala 5:00 pm → France | 12:00 am (midnight) |
| 4. Greece midnight → New York | 6:00 pm (previous day) |
| 5. France 8:30 pm → China | 3:30 am (next day) |
| 6. Argentina 11:00 am → Pakistan | 7:00 pm |
| 7. Fiji 1:30 pm → Los Angeles | 5:30 am (previous day) |
| Challenge 1: Lines of longitude | 360 |
| Challenge 2: Most time zones | Russia, 11 |
| Challenge 3: International Date Line | Imaginary line at 180°, changes calendar day |
| Challenge 4: DST countries | USA, UK, Australia (reason: save energy, use daylight) |
| Challenge 5: ISS time zones | 1 (UTC) |
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Let me know if you'd like a printable version or want to double-check any answers!
Parent Tip: Review the logic above to help your child master the concept of time zone worksheet year 5.
