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.
Report Abuse. We have time zones so that everyone on the planet does most things at the same time that a person does in another part of the world such as sleeping for example. The majority of people sleep at night.he reason there are different time zones and an International dateline is because there are different times. I suppose we could all go on GMT but that would mean that when it is 12:00 GMT it would be the middle of the night in Tokyo and early morning in New York.