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Show VARIOUS KINDS OF DAYS. Word Said to Hav Ne Rsal Meaning Without Defining Adjective. Five kinds of day are recognised, and it haa boon aald that the word "day" haa no real meaning without an adjective defining what kind of a day I meant. There Is a civil day, the astronomical day, the apparent aolar day, the mean solar day, and th sidereal sid-ereal day. Th civil day begins at tin midnight preceding mean noon, and ronalsta of twenty-four hours counted after twelve o'clock; the astronomies! day beglna twelve hour after the civil day, or at th mean noon of the cor resiiondlng civil day. These hours are reckoned from 0 to it. It will ha seen, therefore, that while lohr. ISmln., January 1st astronomical time. Is also lohr. Uniln. January 1st civil time, yot 22hr. ISraln., January let astronomical as-tronomical time, la also lObr. llmln. a. m., January 2nd civil time. There are many anomalies growing out ol thla use of tho civil day, and ther ars many arguments In favor of using tin astronomical day. It is on of ths reforms which undoubtodly will come sum time. |