Мне нужен хороший, качественный перевод. have you ever made a phone call to someone many miles east or west of where you live? if you have, you might have been surprised to find that the time at your house was different from the time at the place you were callingthe time can't be the same all across the country at a given moment. this is because the time of day is determined by the earth's reationship to the sun as the earth turns on its axis. when people in massachusetts, for example, see the sun at its highest point in the sky, people in hawaii see it low om the eastern horizon.so as you go east or west across the country, the time changes. and in order to avoid irregular changes in time, time zones have been created.the starting point for the world's time zones is the prime meridian, which is the 0 line of longitude that passes thrugh greenwich, england. there are 24 time zones in all - one for each hour of the day. as you go west from greenwich, you lose an hour when you enter each time zone.on the side opposite the prime meridian is the international date line. when you cross the international date line heading west, you lose a whole day. when you cross the international date line heading east, you gain a day.