High Quality Content by WIKIPEDIA articles! A lunar calendar is a calendar that is based on cycles of the lunar phase. A common purely lunar calendar is the Islamic calendar or Hijri calendar. A feature of the Islamic calendar is that a year is always 12 months, so the months are not linked with the seasons and drift each solar year by 11 to 12 days. It comes back to the position it had in relation to the solar year approximately every 33 Islamic years. It is used mainly for religious purposes, and in Saudi Arabia it is also used for commercial purposes. Because there are about twelve lunations (synodic months) in a solar year, this period (354.37 days) is sometimes referred to as a lunar year. The Hebrew calendar also uses a fixed ratio (12+7/19) so it will eventually drift, such that Passover would be in autumn. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности....

В наличии:
	Sprinter - 1008 руб.	Перейти		Лучшая цена
Под заказ:
	OZON.ru - 1125 руб.	Перейти

Рейтинг книги: 4 из 5, 9 голос(-ов).