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3 answers

id say no as the earth rotates so would be hard to say day/night is..now. but there is the international date line!!

2006-10-03 22:55:54 · answer #1 · answered by dodgsun 3 · 0 0

Actually there is according to military or naval definitions. For example dusk "Dusk or civil dusk is the time at which the sun is 6 degrees below the horizon in the evening. At this time objects are distinguishable but there is no longer enough light to perform any outdoor activities."

See links for further information

2006-10-03 23:07:23 · answer #2 · answered by cehelp 5 · 0 0

the GMT (greenwich mean time). it is located in greenwich england

2006-10-03 22:57:59 · answer #3 · answered by EARTH 3 · 0 0

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