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Eclipse solar - wikipedia, la enciclopedia libre, Un eclipse solar es el fenómeno que se produce cuando la luna oculta al sol, desde la perspectiva de la tierra. esto sólo puede pasar durante la luna nueva (sol y.Moon phases calendar / moon schedule, This moon phases calendar tool or moon schedule is an easy way to find out the lunar phase for any given month.. August 2014 calendar - time and date, Tools. list of years that use the same calendar as 2014; customization forms. customize this calendar–large ―advanced form with more choices; customize this.
Time service dept., united states naval observatory, America's official timekeeper, providing accurate spoken time based on the usno atomic clock, gps, loran and omega time information, u.s. time zone conversions, and.