What is the difference between high school geography and district

The first question should be B, China is GMT+8, Japan is GMT+9, one hour ahead of China; Australia's southeast time zone is the same as China's; Pakistan is GMT+5, 3 hours behind China; Saudi Arabia is GMT+3, 5 hours behind China.

The second question should be d, since the seasons are reversed, it should be the cities of the southern hemisphere, namely Sydney and São Paulo. Chinese mainland can fly directly except South America and Antarctica, so it is Sydney, not Sao Paulo.

The time of the zone is in accordance with the principle of "increasing in the east and decreasing in the west", "the difference in longitude is 15 degrees, the difference is one hour, and the difference in longitude is 4 minutes". The second question is Sydney, Beijing is summer in the northern hemisphere, and winter in the southern hemisphere, so you can know which hemisphere it is by looking at the latitude. Good luck.

The first title is b, among the overseas branches, Islamabad is located in the East 5th District, Riyadh is located in the East 3rd District, Tokyo is located in the East 9th District, Sydney is located in the East 11th District, Detroit is located in the West 6th District, and São Paulo is located in the West 3rd District. At 14:15 a.m. Beijing time, branches in Islamabad, Riyadh, Sydney and Tokyo are open hours.

The second is d, summer in the northern hemisphere and winter in the southern hemisphere. Of the options given, only Sydney is located in the Northern Hemisphere.

East plus west minus, just do the math yourself!

Three hours late minus 3 ah is twelve o'clock.

The time zone is junior high schoolGeographyDue to the different economic disadvantages of countries and regions in the world, the local time is also different, so it will be divided into different time zones.

The official time zone division consists of 24 time zones, each of which is represented by a letter of the English letter of the Greeting. Time zones are divided every 15° longitude, with one exception, and each time zone has a **meridian.

For example, GMT belongs to the "Z" zone, so it is usually followed by the suffix "Z" (colloquially "zulu").

Know the longitude to find the time zone of the place:

The time zone range is ** meridian.

The degrees are subtracted and added to the left and right, that is, the east-west direction spans 15 degrees, taking the East Eight District as an example, its time zone range is from east longitude to east longitude. Divide the longitude of the Zen grinding by 15 degrees, and use it as the remainder.

When the remainder is greater than degrees, the quotient plus 1 is the number of time zones where the place is located.

Special time warp

1) 6 o'clock meridian: the place where the intersection of the morning line and the equator is located.

2) 18 o'clock meridian: the place where the intersection of the dusk line and the equator is located.

3) 12 o'clock meridian: the time when the meridian of the day hemisphere is bisected.

4) 24 o'clock meridian: the time when the meridian of the night hemisphere is bisected.

Two date boundaries:

1) 180° warp: fixed; The date is one day to the east and one day to the west.

2) 0 time meridian: uncertainty.

The three steps of calculating zone time and time zone calculation.

Step 1) Calculate the local time zone: divide the known longitude by 15, if the remainder is less, the quotient divided by is the time zone where the longitude is located: if the remainder is greater, the time zone where the place is located is quotient + 1. East longitude is the eastern time zone, and west longitude is the western time zone.

Step 2) Calculate the time zone difference: if the time zone is the same east time zone or the same time zone is the west time zone, the number of time zones is subtracted, one is in the east time zone and one is in the west time zone, then the number of time zones is added. For example, there is a difference of 6 time zones between East 8 and East 2, and 13 time zones between East 8 and West 5.

Step 3) Calculate the time zone: Use the resulting time zone difference, add to the east and subtract from the west. For example, when the East 2nd District is 6, the East 9th District is 6+7=13; 6-5=1 in the West 3rd District; 6-13 = -7 and 24-7 = 17 (date minus one day) in West 7 district time.

When encountering the New Year's Eve month, it is necessary to pay attention to the big month, small month, ordinary year, and leap year in order to answer accurately.

First of all, we need to distinguish between two concepts.

Count the area first, then the local time. The algorithm will come later.

2..Zone time: Since Magellan circumnavigated the globe, there has been a problem of different dates in the eastern and western hemispheres, so there are 24 time zones, the middle time zone is more special, and the West 12 zone and the East 12 zone are the same time zone.

The local time of the **meridian of each time zone is the regional time of that time. And it's all multiples of 15. Take the ** meridian as the middle, to the west, to the east, to form a time zone.

Local time refers to the time determined by the position of the local sun, such as noon, when the sun is located directly above a certain meridian (upper middle heaven), as 12 noon, so that we can use the time of 12 noon to determine that there are different moments in places with different longitudes, which is local time. The difference between local time and district time. How much meditation.

Understanding and Difference Between Local Time and Regional Time Local time refers to the different times (hours) caused by different longitudes, and this kind of different times in different places is called local time. This concept is difficult for students to understand and can be confused with the times. Guide students to understand the place like this:

In people's consciousness, it is generally regarded as 12 noon when the sun is directly above a certain meridian (upper midheaven), so that we can use the relative early and late occurrence of 12 noon in various places to determine that there are different moments (i.e., local time) in different longitudes. In fact, in the process of the earth's rotation, each meridian appears at 12 noon in the morning and evening, and thus the time of each meridian is also different. For example, when 120 °E is the local time, 12 noon, 30 °E, 75°E, 165 °E and other meridians are 6 o'clock, 9 o'clock, 15 o'clock in local time, and so on.

It follows from this that all meridians have their own places, and different longitudes have different places. There are countless meridians in the world, and there are countless places, and when you use them, it will cause confusion in time.

For the convenience of use, people divide the world into a time zone every 15 degrees of longitude, and the world is divided into a total of 24 time zones. And stipulate that each time zone is to the time of the ** meridian of this time zone, as the time of the common use of the whole region, this is the time of the whole region, like this, in a time zone, although there are countless local time, but the time of the district is only one, that is, the time of the ** meridian. You can do the most convenient measurement, when you see the sun in the south of your **, see what time it is (Beijing time), this is the district of the East Eighth District, and at this time the place where you are is exactly 12 o'clock, the two are not the same.

Hello! The geography teacher will answer your questions.

Since the earth rotates from west to east, the sunrise is different in different places. The time is different on different meridians on the Earth at the same time. This time is local time.

In order to calculate time, people use the method of dividing time zones. Every 15° longitude is a time zone, and the world is divided into 24 time zones. The local time of each time zone** meridian (that is, the meridian divisible by 15) is the time that is commonly used by this time zone, which is called the zone time of this time zone.

Good luck with your studies!

Generally after high school to learn a lot of knowledge, you said this, the geography of the urban area, is on behalf of a country roughly prescribed a pilot, China's time in the urban area is Beijing time, are marked by the unified time of Beijing, but there are also places, some places in the ravine, see the sun very late, so people work later, at this time there is a place of time.

The time of a known time zone is found in another time zone.

It's December 1 in Beijing at 16:30, so what time is it in Moscow? What about Toronto?

As can be seen from the figure: Beijing East 8th District, Moscow East 2nd District, Toronto West 5th District (East is positive and West is negative).

Time asked = time given - (time zone given time - time zone sought) Note: If the difference is less than 0, add 24 but the date should be 1 day earlier; If the difference is greater than 24, subtract 24, but add 1 day to the date. Points remain the same.

Moscow 16:30-(8-2)=11:30 Toronto 16:30-(8--5)=3:30

It's December 1 in Beijing at 2:30, so what time is it in Moscow?

2:30-(8-2)=-3:30 -3:30+24=20:30 i.e. 20:30 on November 30

It's 12:30 on December 1 in Toronto, so what time is it in Beijing?

12:30-(-5-8)=25:30 25:30-24=1:30 i.e. 1:30 on December 2

Calculation of local time:

Local time to be calculated = known local time - 4 minutes (longitude of known time - longitude of time to be calculated), where east longitude is positive and west longitude is negative.

For example, if you know that 12:00 is at 120°E, find 20°W?

20°W = 12:00-4 minutes [120°-(20°)] = 12:00-9:20=2:40, the date change is the same as above, and the other methods are the same as above.

It's easy.

Teach you a way, such as:

A plane flew non-stop from Shanghai to Los Angeles (West 8th District) at 3 p.m. Beijing time on July 8 and arrived at 10 a.m. local time on July 8.

180°120°w 0° 120°e 180°

This is the approximate line segment of the meridian, Beijing is the East Eighth District, the difference between the first district is one hour, and the difference between the East Eighth District and the West Eighth District is 8-(-8) = 16 hours, that is, 3 p.m. on July 8 in Beijing = Los Angeles on July 7 [24-(16-15)] = 11 p.m. From 11 p.m. on July 7 to 10 a.m. on July 8, a total of (24-23) + 10 = 11 hours was shared.

When doing this kind of problem, be sure to draw the line segment above, and mark the zone on the degree (remember how many hours a zone is, and what the approximate longitude of the zone is!! Think about the problem in such a clear way, and you won't get tangled.

The world is divided into 24 time zones, starting from 0 degrees of longitude, every 15 degrees of longitude is a time zone, a difference of one hour.

The prime meridian shall prevail, the west longitude and east longitude shall be the 0 time zone, the east shall be the east 1-12 time zone, the west shall be the 1-12 west time zone, and the east and west 12 time zones shall be combined into one time zone.

The time on the **longitude for each time zone is "zone time" for the entire time zone.

I will give you a copy of the information you look at and hope it will be helpful to you.

Zone Time: The time in each time zone;

Local time: The time for each meridian.

Time zone: Based on the 0 degree meridian, you want to demarcate the middle time zone from east to west, and then divide the 24 time zones in the same way from east to west.

Local time is a place of real time. For example, it's Beijing time. This time is district time, and local time is not. Count according to the local longitude.

Time zones and zone time are linked! Zone time is the time in the time zone, the time zone represents a time period, and every 15 degrees is a time zone range, for example, Beijing (116 degrees east longitude) belongs to the East 8th District, and the East 8th District represents the time of 120 degrees east longitude. Each district is separated by an hour, if the East Eighth District is 12 o'clock, then the East 9th District is 13 o'clock, the local time is the local time, the local time and the district time are even at the same time, the time is not necessarily the same, such as the column in Beijing, the local time in Beijing is the local time of 116 degrees, and the time in Beijing District is the time of the East Eighth District (120 degrees east longitude), 1 degree is equal to 4 minutes, so there is no need to introduce these, right?

Because the earth has a 24-hour day, people divide the earth into a zone every twenty-four times, and that zone is called the time zone. Because each district is one hour apart, the time in that district is called district time. Local time is like this, just like the time zone where Beijing is used throughout China, like Yunnan, which is a few time zones away from Beijing, I don't remember, the local time is called local time (not Beijing time.

If you don't understand, please ask.

Zone time is the time zone where the ** meridian is in that time zone.

Fifteen degrees of longitude are the same time zone, and the same longitude is the same local time

It is known that the place is east longitude, and its time is reduced earlier than the land sought, and the time is added later than the land sought;

It is known that the place is the west longitude, and its time is added earlier than the land sought, and the time is later and decreased than the land sought;

For example, 120 degrees east longitude is 6 o'clock on the 6th, what is the longitude at 4 o'clock on the 6th?

The time difference between the two places is 6 4 2 hours, and the longitude difference is 2x15 30 degrees; At 6 o'clock on the 6th was earlier than at 4 o'clock on the 6th, so the longitude at 4 o'clock on the 6th was 120 degrees east longitude 30 degrees east longitude and 90 degrees east longitude.

The location (meridian) in the east of the earth from west to east** is earlier than the location (meridian) in the west, and the number of times is larger (abbreviation: the east is early, and the west is small).

Note: The east longitude is larger the further east it goes, and the west longitude is larger the more west it is. The 180-degree meridian is the easternmost time maximum "including the date".

The angular velocity of the Earth's rotation is 15 degrees per hour (except for the poles): the longitude of two places (two meridians) differs by 1 hour for every 15 degrees of difference, and every 1 degree difference is 4 minutes.

For example, the longitude of place A is 120 degrees east longitude, and the time is 8 o'clock on October 29, 2013; The time of place b is 22 o'clock on October 28, 2013, find the longitude of place b?

Solution: The time in place B is later than that in place A, so B is to the west of A. (The time in B is later than that in A, that is, the time in B is smaller than that in A); Therefore to find the longitude of the bland, you should look westward from the a.

A and B are 10 hours apart, so B is on a meridian of 10*15 degrees west of A, that is to say, B is on a longitude of 150 degrees west of A, because A is 120 degrees east longitude, so B is 30 degrees west longitude. (30 degrees west longitude---0 degrees --- east longitude 120 degrees).