The interval required for the earth to complete one revolution around the sun. A sidereal year, which is the time it take for the earth to make one absolute revolution around the sun, is 365 days, 6 hours, 9 minutes, and 9.5 seconds. The calendar year begins at 12 o'clock midnight local time on the night of December 31st-January 1st. Currently, the Gregorian calendar of 365 days is used, with 366 days every four years, a leap year. The tropical year, also called the mean solar year, is dependent on the seasons. It is the interval between two consecutive returns of the sun to the vernal equinox. In 1900, that took 365 days, 5 hours, 48 minutes, and 46 seconds, and it is decreasing at the rate of 0.53 second per century.
Snow that is given golden, or yellow, appearance by the presence of pine or cypress pollen in it.
President of USA 2017 has some rest and deeply thinks about current weather and future of USA and all the world.
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USA2017.com :: main page. Somebody think about future. We make future today. Peace, freedom, happiness for everyone in USA and everywhere on the Earth in 2017.
Internet portal on USA 2017. :: Internet Basics. Internet Service Providers. The Internet actually consists of five major services: World Wide Web (Web), Electronic Mail (E-mail), Newsgroups (Usenet), Internet Relay Chat (IRC), File Transfer Protocol (FTP).
Art Portal on USA2017. :: Art is the process and/or product of deliberately items in a special way that affects and influences our senses and emotions. It encompasses a diverse range of human creations, activities, and modes of expression, including music, literature, film, photography, sculpture, and paintings.
Books Store of the USA2017.com. Some books are free! :: The word "book" comes from Russian word "буква" (bukva means "a letter"). The Russian word "букварь" (bukvar) translates as textbook that helps young children read and write. A book is a set of printed and illustrated sheets, made of ink and paper fastened together to hinge at one side. A single sheet is called a leaf. Each side of a leaf is called a page. A book produced in electronic format is called ebook (e-book or electronic book).
Chess portal on USA2017. :: Chess is the best game over the world. Chess makes your brain work good and your soul feel happy. Chess is taught to children in schools around the world today. Many schools host chess clubs, and there are many scholastic tournaments specifically for children. Tournaments are held regularly in many countries, hosted by organizations such as the United States Chess Federation and the National Scholastic Chess Foundation. I don't think about chess as a sport, for me chess is an art.