solstitial period

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• period — Synonyms and related words: Alexandrine, Archean, Archeozoic, Cambrian, Carboniferous, Cenozoic, Comanchean, Cretaceous, Devonian, Eocene, Glacial, Holocene, Lower Cretaceous, Lower Tertiary, Mesozoic, Miocene, Mississippian, Oligocene, Paleocene …   Moby Thesaurus

• Midsummer — For other uses, see Midsummer (disambiguation). Midsummer Midsummer bonfire in Mäntsälä, Finland Also called Summer Solstice, Adonia, St. John s Feast Day, Līgo, Litha, M …   Wikipedia

• Winter solstice — This article is about the astronomical and cultural event of winter solstice, also known as midwinter. For other uses, see Winter solstice (disambiguation), Midwinter (disambiguation) or also see Solstice. UTC Date and Time of Solstice[1] year… …   Wikipedia

• CALENDAR — (Heb. לוּחַ, lu aḥ). The present Jewish calendar is lunisolar, the months being reckoned according to the moon and the years according to the sun. A month is the period of time between one conjunction of the moon with the sun and the next. The… …   Encyclopedia of Judaism

• Armillary sphere — An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of the celestial sphere. Description and use of the armillary sphere The exterior parts of this machine are a compages of brass rings, which represent …   Wikipedia

• Archaeoastronomy — (also spelled archeoastronomy) is the study of how peoples in the past have understood the phenomena in the sky, how they used phenomena in the sky and what role the sky played in their cultures. [Sinclair 2006:13] Clive Ruggles argues it… …   Wikipedia

• Precession (astronomy) — In astronomy, precession refers to the movement of the rotational axis of a body, such as a planet, with respect to inertial space. In particular, it refers to the precession of the Earth s rotational axis, also called the precession of the… …   Wikipedia

• Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …   Wikipedia

• Su Song — 蘇頌 (Sū Sòng) Born 1020 near Quanzhou Died 1101 (aged 80–81) Nationality Chinese …   Wikipedia

• Water clock — For the individual water clock at The Children s Museum of Indianapolis, see Water clock (Indianapolis). A display of two outflow water clocks from the Ancient Agora Museum in Athens. The top is an original from the late 5th century BC. The… …   Wikipedia

• Twelve Holy Days — is the holy period, from December 26th to January 6th, in the esoteric and astrological interpretation of the Christmas season. The night between the 24th and 25th of December is considered to be the most holy night , when the sun (the Light of… …   Wikipedia