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One Earth day is equal to 23 hours, 56 minutes and 4.1 seconds (the time required to complete a single rotation of the Earth).
Earth day is held on April 22nd every year. It was chosen on this day for a few resons.. 1) It is late enough in the spring to be able to expect decent weather. 2) It will â¦ never fall on spring break, school exams, or any other holiday so people can concentrate on the environment.