In addition, ethyl butyrate is often also added to orange juice, as most associate its odor with that of fresh orange juice. Ethyl butyrate is one of the most common chemicals used in flavors and fragrances.n addition, ethyl butyrate is often also added to orange juice, as most associate its odor with that of fresh orange juice. Ethyl butyrate is one of the most common chemicals used in flavors and fragrances.
We have different time zones because if we all set our clocks to the same time noon would be the middle of the day in some places, but it would be morning, evening and the middle of the night in others. Since different parts of the Earth enter and exit daylight at different times, we need different time zones.
Q: I know that there are 24 time zones around the world but what if any time zones are on the North and South pole? Someone told me that the time is the same on both poles. The pole in front of the sign marks the South Pole. The world's time zones meet here. A: There are really more than 24 time zones since some nations use times that differ by a half hour, instead of an hour, from the time zones on either side.