Is it earlier or later if you live to the west of the Greenwich Meridian?
If you live to the west of the Greenwich Meridian itโs earlier than in London.
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What does GMT mean?
GMT means Greenwich Mean Time which is the time on this line of longitude. It lies on the 0 degrees longitude. This is the so-called Greenwich Meridian or Prime
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15
Is it earlier or later if you live to the east of the Greenwich Meridian?
If you live to the east of the Greenwich Meridian itโs later than in London.
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What are the lines of latitude?
Lines of latitude go around Earth. They show us the distance from the equator.
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15
Is the time in Vietnam earlier or later than in London, in the UK?*
In Vietnam itโs later than in London, in the UK.
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Why are there different times on different sides of the Earth or even within one country?
Itโs because the world has different time zones.
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Is Vietnam to the west or to the east of the Greenwich Meridian?*
Vietnam is to the east of the Greenwich Meridian.
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In which time zone does Vietnam lie?*
Vietnam lies in the GMT+7. It means Vietnam is 7 hours ahead compared to the Greenwich meridian.
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What is the equator?
The equator is the line around the middle of the Earth. It divides the Earth into northern and southern hemisphere.
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15
How many time zones are there in the USA?
The USA is a large country. There are six time zones in the USA.
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How many time zones are there in Vietnam?*
There is only one time zone in Vietnam.
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What are the lines of longitude?
Lines of longitude go up and down, dividing Earth like pieces of an orange.
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How many time zones are there within the same country?
Most countries have one time zone, but some large countries can have more than one, two, three or even more time zones.