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Topic: Lunisolar calendar

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In the News (Wed 17 Apr 19)

  CalendarHome.com - Lunisolar calendar - Calendar Encyclopedia
A lunisolar calendar is a calendar whose date indicates both the moon phase and the time of the solar year.
The Hebrew, Hindu lunar, Buddhist, Tibetan calendars, and Chinese calendar used alone until 1912 and then used along with the Gregorian Calendar are all lunisolar, as was the Japanese calendar until 1873, the pre-Islamic calendar, the first century Gaulish Coligny calendar and the second millennium BCE Babylonian calendar.
The Islamic calendar is a lunar, but not lunisolar calendar because its date is not related to the sun.
encyclopedia.calendarhome.com /Lunisolar_calendar.htm   (806 words)

 Types of Calendar
An example of a lunisolar calendar is the Liberalia Triday Calendar (which is unusual in that it has both a solar calendrical component and a lunar calendrical component, the solar component being more accurate than the lunar).
These are primarily lunar calendars, but have years (composed of months) which accord with the seasonal cycles in the weaker sense that, over any given period, a count of calendar years will be the same as or very close to a count of seasonal years.
These calendars require either observation of celestial phenomena (for example, the first appearance of the crescent moon after a dark moon, the astronomical conjunction of Sun and Moon) in order to decide, for example, when a month should begin, or when an extra month should be inserted in the calendar.
www.hermetic.ch /cal_stud/lunarcal/types.htm   (770 words)

  Calendar - MSN Encarta
Calendar divisions are based on the movements of the earth and the regular appearances of the sun and the moon.
The variations among the many calendars in use from ancient to modern times have been caused by the inaccuracy of the earliest determinations of the duration of the year, together with the fact that a year cannot be divided evenly by any of the other time units: days, weeks, or months.
The Roman calendar became hopelessly confused when officials to whom the addition of days and months was entrusted abused their authority to prolong their terms of office or to hasten or delay elections.
encarta.msn.com /encyclopedia_761560321/Calendar.html   (1219 words)

  Lunisolar calendar
A lunisolar calendar is a calendar whose date indicates both the moon phase and the season.
The Hebrew calendar and the Chinese calendar are lunisolar.
The Islamic calendar is not lunisolar because its date does not indicate the season and the Gregorian Calendar is not lunisolar because its date does not indicate the moon phase.
www.fact-index.com /l/lu/lunisolar_calendar.html   (163 words)

 Reference.com/Encyclopedia/Lunisolar calendar
A lunisolar calendar is a calendar whose date indicates both the moon phase and the time of the solar year.
The Julian and Gregorian Calendars are solar, not lunisolar, because their dates do not indicate the moon phase — however, without realising it, most Christians do use a lunisolar calendar in the determination of Easter.
There are some lunisolar calendar reform proposals: One is the Hermetic Lunar Week Calendar which normally consists of 12 lunar months and a leap month every 2 or 3 years, and with a year that always starts near the vernal equinox.
www.reference.com /browse/wiki/Lunisolar_calendar   (1589 words)

 Calendars and their History
This calendar is the official calendar of Israel and is the liturgical calendar of the Jewish faith.
Since the calendar is based on the true positions of the Sun and Moon, the accuracy of the calendar depends on the accuracy of the astronomical theories and calculations.
In China the calendar was a sacred document, spopnsored and promulgated by the reigning monarch.
astro.nmsu.edu /~lhuber/leaphist.html   (8496 words)

 History & info - the Jewish calendar
The current definition of the Jewish calendar is generally said to have been set down by the Sanhedrin president Hillel II in approximately C.E. The original details of his calendar are, however, uncertain.
The Jewish calendar is used for religious purposes by Jews all over the world, and it is the official calendar of Israel.
The Jewish calendar is a combined solar/lunar calendar, in that it strives to have its years coincide with the tropical year and its months coincide with the synodic months.
webexhibits.org /calendars/calendar-jewish.html   (955 words)

 ipedia.com: Chinese calendar Article   (Site not responding. Last check: 2007-11-06)
In China, the native calendar is the "farmer's calendar" (農曆 nónglì), as opposed to the "civil calendar" (公曆 gōnglì), or "Western calendar" (西曆 xīlì).
His Tàichū 太初 (Grand Inception) calendar of 104 BC had a year with the winter solstice in the eleventh month and designated as intercalary any calendar month (a month of 29 or 30 whole days) during which the sun remained within the same sign of the zodiac throughout.
The Gregorian calendar was adopted by the nascent Republic of China effective January 1, 1912 for official business, but the general populace continued to use the traditional calendar of the Qing Dynasty.
www.ipedia.com /chinese_calendar.html   (2861 words)

 Introduction to Calendars
Calendars which track both the sun and moon are called lunisolar ("luni" = moon, "solar" = sun),and most of the world's early calendars were lunisolar.
On a lunisolar calendar, simply knowing the daywas the 15th of the month tells you that it was within a day of the full moon.
What is implied in a lunisolar calendar is that it is more important to know where the moon is thanto have every season begin on exactly the same solar day every year.
www.johnpratt.com /items/calendar/cal_intro.html   (1274 words)

Calendars with these adjustments is a lunisolar calendar (used by ancient Babylonians).
Critics of the Gregorian calendar point out that it has 12 months of unequal length; no month is exactly one-twelfth of a year; the number of weeks in the quarter-year and half-year is uneven; and dates and days of the week vary from one year to the next.
In modern calendars, the length of the months is approximately one-twelfth of a year (28 to 31 days) and is adjusted to fit the 12 months into a solar year.
www.calendardepot.com /trivia.htm   (1446 words)

 Jewish Calendar - Hebrew Calendar
Since the Jewish calendar is primarily a lunar calendar, the arrival of the new month ("Rosh Hodesh" in Hebrew) is determined by the appearance of the new moon.
This means that a lunisolar calendar attempts to keep the months closely aligned with lunar cycle - or cycle of the moon around the Earth - and at the same time keep the year closely aligned with the seasonal cycles.
As just mentioned, the Hebrew calendar goes by a 19-year cycle that includes leap years in the 3rd, 6th, 8th, 11th, 14th, 17th and 19th years of the cycle, meaning in those years, an extra month is added to the Jewish calendar to keep it aligned with the solar calendar.
www.angelfire.com /pa2/passover/jewish-calendar-hebrew.html   (6605 words)

 Lunar Calendar in Japan
Ancient calendar scholars in a number of cultures found that after three solar years, the lunar calendar would be behind the sun's actual progress by about 33 days.
While both calendar and navigational needs were important in the advancement of astronomy in Europe, it was improvements in lunar calendar reckoning that drove most of Chinese and later Japanese advances in astronomy.
Seeing the current calendar to be in error by up to two days, they had an uphill struggle against a general obsession with astrology, mystic assumptions of the emperor, disinterest by the Shogunate, and their own lack of information from the "outside" world.
www2.gol.com /users/stever/calendar.htm   (1859 words)

The Islamic calendar: The Islamic calendar is a lunar-only calendar.
Lunisolar: Some calendars, like the Islamic calendar, are "lunar-only"; they correspond well to the actual motion of the moon, but tell you nothing about the seasonal variations due to solar motion.
A few calendars, including the Chinese and Hebrew calendars, are true "lunisolar" calendars: the first day of the month is usually close to a New Moon, and a given month occurs at a given time of the solar year.
www.projectpluto.com /calendar.htm   (6078 words)

 Six Major Calendars   (Site not responding. Last check: 2007-11-06)
The various effects are the geometry of the Sun, Moon, and horizon; the width and surface brightness of the crescent; the absorption of the Moon's light and the scattering of the Sun's light in the Earth's atmosphere; and the physiology of human vision.
This calendar is the official calendar for the State of Israel, although variations on this calendar exist.
Since this calendar uses the true positions of the Sun and Moon, its accuracy depends on the accuracy of the astronomical theories and calculations.
aa.usno.navy.mil /faq/docs/calendars.html   (1184 words)

 Lunisolar Calendar - Chinese Culture
The Chinese calendar is based on the lunisolar calendar, which takes into account both the phases of the moon and the season.
However, if we simply used the moon, the calendar would soon be inaccurate in telling the correct seasons and time of the year.
It is actually not the first calendar used in the Western world, but rather an modification to its predecessor, the Julian calendar.
www.bellaonline.com /articles/art28559.asp   (442 words)

 Hindu calendar Summary
6 Correspondence of the lunisolar calendar to the solar calendar
Both the Vikrama and the Shalivahana eras are lunisolar calendars, and feature annual cycles of twelve lunar months, each month divided into two phases: the 'bright half' (shukla) and the 'dark half' (bahula); these corrospond respectively to the periods of the 'waxing' and the 'waning' of the moon.
A reformation of this calendar was introduced in present-day Bangladesh in 1966, with constant days in each month and a leap year system; this serves as the national calendar for Bangladesh.
www.bookrags.com /Hindu_calendar   (4769 words)

 Home Page for Calendar Reform
Each recommended a perennial calendar involving the use of so-called "blank days." The blank day concept was suggested originally, perhaps, by an American colonist from Maryland in 1745 writing under the pseudonym of Hirossa Ap-Iccim.
The present civil calendar followed by most of the world has its origins in the early Roman civilization.
Emperor Constantine then reformed the calendar in the 4th century, by introducing the seven-day week, probably modeled on the Christian sabbatical cycle.
personal.ecu.edu /mccartyr/calendar-reform.html   (845 words)

 The Ancient Greek Calendar | polysyllabic   (Site not responding. Last check: 2007-11-06)
All the Greek calendars were lunisolar and shared the same basic features of the other lunisolar calendars we've examined so far: twelve months, with a periodic intercalation of a thirteenth.
The Athenian calendar is the best known and most intensively studied, and I shall therefore use it as a model.
Abundant epigraphical evidence demonstrates that in the civil calendar, while the archons inserted approximately the correct number of intercalary months over the long term, the specific corrections were somewhat arbitrary, as the archons saw fit.
www.polysyllabic.com /?q=calhistory/earlier/greek   (1198 words)

 Chinese Calendar
Although the revolutionary government of China announced the abolition of the traditional Chinese calendar (Huangli) and using the Gregorian calendar as standard calendar since 1/1/1912, the traditional Chinese calendar is still in use in various Chinese communities.
Popular Chinese almanacs are published annually and provide information about Chinese lunisolar calendar and Ganzhi calendar of the year.
Traditional Chinese calendar is a lunisolar calendar, and is based on the exact longitude of the sun and the phases of the moon.
www.chinapage.com /astronomy/chinesecalendar.html   (580 words)

 The Classic Maya Calendar and Day Numbering System
The lunisolar calendar, in which the ritual month is based on the Moon and the agricultural year on the Sun, was used throughout the ancient Near East (except Egypt) and Greece from the third millennium BC.
Early calendars used either thirteen lunar months of 28 days or twelve alternating lunar months of 29 and 30 days and haphazard means to reconcile the 354/364-day lunar year with the 365-day solar year.
This amounts to (a) selection of an origin for the initial long count, (b) selection of the calendar round corresponding to that count, and (c) correlating a specific long-count date on the Maya calendar with the corresponding date on the Gregorian calendar.
www.eecis.udel.edu /~mills/maya.html   (1343 words)

 Lunisolar calendar at AllExperts
The Hebrew, Hindu lunar, Buddhist, Tibetan calendars, and Chinese calendar used alone until 1912 and then used along with the Gregorian Calendar are all lunisolar, as was the Japanese calendar until 1873, the pre-Islamic calendar, the first century Gaulish Coligny calendar and the second millennium BCE Babylonian calendar.
To construct such a calendar, the average length of the tropical year is divided by the average length of the synodic month, which gives the number of average months in a year as:
The 19-year cycle is the classic Metonic cycle, which is used in most arithmetical lunisolar calendars.
en.allexperts.com /e/l/lu/lunisolar_calendar.htm   (822 words)

 The Lunisolar Calendar
SYL.Astrology / Astrology / Chinese Astrology / The lunisolar calendar / The Lunisolar Calendar
With all that you will learn about the lunisolar calendar make sure that you take plenty of notes for all that you will be needing it for.
You will have to learn the lunisolar calendar in order to this and then you will be able to benefit from astrology in the Chinese way.
www.syl.com /astrology/thelunisolarcalendar.html   (655 words)

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