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.
Image caption The division of the world's time into different zones has been a messy affair. There is now Pyongyang Time to add to Greenwich Mean Time, Eastern Standard Time and Lord Howe Standard Time. Time zones are as much about politics, diplomacy and rebellion as they are about ... the time. The division of the world's time into neat longitudinal sections has been a messy affair.