Earth Ascending (Jose Arguelles)
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The Mathematics of the Chinese, Indian, Islamic and Gregorian Calendars
Heavenly Mathematics: The Mathematics of the Chinese, Indian, Islamic and Gregorian Calendars Helmer Aslaksen Department of Mathematics National University of Singapore [email protected] www.math.nus.edu.sg/aslaksen/ www.chinesecalendar.net 1 Public Holidays There are 11 public holidays in Singapore. Three of them are secular. 1. New Year’s Day 2. Labour Day 3. National Day The remaining eight cultural, racial or reli- gious holidays consist of two Chinese, two Muslim, two Indian and two Christian. 2 Cultural, Racial or Religious Holidays 1. Chinese New Year and day after 2. Good Friday 3. Vesak Day 4. Deepavali 5. Christmas Day 6. Hari Raya Puasa 7. Hari Raya Haji Listed in order, except for the Muslim hol- idays, which can occur anytime during the year. Christmas Day falls on a fixed date, but all the others move. 3 A Quick Course in Astronomy The Earth revolves counterclockwise around the Sun in an elliptical orbit. The Earth ro- tates counterclockwise around an axis that is tilted 23.5 degrees. March equinox June December solstice solstice September equinox E E N S N S W W June equi Dec June equi Dec sol sol sol sol Beijing Singapore In the northern hemisphere, the day will be longest at the June solstice and shortest at the December solstice. At the two equinoxes day and night will be equally long. The equi- noxes and solstices are called the seasonal markers. 4 The Year The tropical year (or solar year) is the time from one March equinox to the next. The mean value is 365.2422 days. -
Irish Studies Around the World – 2020
Estudios Irlandeses, Issue 16, 2021, pp. 238-283 https://doi.org/10.24162/EI2021-10080 _________________________________________________________________________AEDEI IRISH STUDIES AROUND THE WORLD – 2020 Maureen O’Connor (ed.) Copyright (c) 2021 by the authors. This text may be archived and redistributed both in electronic form and in hard copy, provided that the author and journal are properly cited and no fee is charged for access. Introduction Maureen O’Connor ............................................................................................................... 240 Cultural Memory in Seamus Heaney’s Late Work Joanne Piavanini Charles Armstrong ................................................................................................................ 243 Fine Meshwork: Philip Roth, Edna O’Brien, and Jewish-Irish Literature Dan O’Brien George Bornstein .................................................................................................................. 247 Irish Women Writers at the Turn of the 20th Century: Alternative Histories, New Narratives Edited by Kathryn Laing and Sinéad Mooney Deirdre F. Brady ..................................................................................................................... 250 English Language Poets in University College Cork, 1970-1980 Clíona Ní Ríordáin Lucy Collins ........................................................................................................................ 253 The Theater and Films of Conor McPherson: Conspicuous Communities Eamon -
Islamic Calendar from Wikipedia, the Free Encyclopedia
Islamic calendar From Wikipedia, the free encyclopedia -at اﻟﺘﻘﻮﻳﻢ اﻟﻬﺠﺮي :The Islamic, Muslim, or Hijri calendar (Arabic taqwīm al-hijrī) is a lunar calendar consisting of 12 months in a year of 354 or 355 days. It is used (often alongside the Gregorian calendar) to date events in many Muslim countries. It is also used by Muslims to determine the proper days of Islamic holidays and rituals, such as the annual period of fasting and the proper time for the pilgrimage to Mecca. The Islamic calendar employs the Hijri era whose epoch was Islamic Calendar stamp issued at King retrospectively established as the Islamic New Year of AD 622. During Khaled airport (10 Rajab 1428 / 24 July that year, Muhammad and his followers migrated from Mecca to 2007) Yathrib (now Medina) and established the first Muslim community (ummah), an event commemorated as the Hijra. In the West, dates in this era are usually denoted AH (Latin: Anno Hegirae, "in the year of the Hijra") in parallel with the Christian (AD) and Jewish eras (AM). In Muslim countries, it is also sometimes denoted as H[1] from its Arabic form ( [In English, years prior to the Hijra are reckoned as BH ("Before the Hijra").[2 .(ﻫـ abbreviated , َﺳﻨﺔ ﻫِ ْﺠﺮﻳّﺔ The current Islamic year is 1438 AH. In the Gregorian calendar, 1438 AH runs from approximately 3 October 2016 to 21 September 2017.[3] Contents 1 Months 1.1 Length of months 2 Days of the week 3 History 3.1 Pre-Islamic calendar 3.2 Prohibiting Nasī’ 4 Year numbering 5 Astronomical considerations 6 Theological considerations 7 Astronomical -
The Milesian Calendar in Short
The Milesian calendar in short Quick description The Milesian calendar is a solar calendar, with weighted months, in phase with seasons. It enables you to understand and take control of the Earth’s time. The next picture represents the Milesian calendar with the mean solstices and equinoxes. Leap days The leap day is the last day of the year, it is 31 12m or 12m 31 (whether you use British or American English). This day comes just before a leap year. Years The Milesian years are numbered as the Gregorian ones. However, they begin 10 or 11 days earlier. 1 Firstem Y (1 1m Y) corresponds to 21 December Y-1 when Y is a common year, like 2019. But it falls on 22 December Y-1 when Y is a leap year like 2020. The mapping between Milesian and Gregorian dates is shifted by one for 71 days during “leap winters”, i.e. from 31 Twelfthem to 9 Thirdem. 10 Thirdem always falls on 1 March, and each following Milesian date always falls on a same Gregorian date. Miletus S.A.R.L. – 32 avenue Théophile Gautier – 75016 Paris RCS Paris 750 073 041 – Siret 750 073 041 00014 – APE 7022Z Date conversion with the Gregorian calendar The first day of a Milesian month generally falls on 22 of the preceding Gregorian month, e.g.: 1 Fourthem (1 4m) falls on 22 March, 1 Fifthem (1 5m) on 22 April etc. However: • 1 Tenthem (1 10m) falls on 21 September; • 1 12m falls on 21 November; • 1 1m of year Y falls on 21 December Y-1 if Y is a common year, but on 22 December if Y is a leap year; • 1 2m and 1 3m falls on 21 January and 21 February in leap years, 20 January and 20 February in common years. -
The 100 Years Anglo-Chinese Calendar, 1St Jan. 1776 to 25Th Jan
: THE 100 YEARS ANGLO-CHINESE CALENDAR, 1st JAN., 1776 to 25th JAN., 187G, CORRESPONDING WITH THE 11th DAY of the 11th MOON of the 40th YEAR of the EEIGN KIEN-LUNG, To the END of the 14th YEAR of the REIGN TUNG-CHI; TOGETIIER WITH AN APPENDIX, CONTAINING SEVERAL INTERESTING TABLES AND EXTRACTS. BY IP. LOUE;EIE,0. SHANGHAI rRINTED AT THE " NORTH-CHINA HERALD " OFFICE, 1872. -A c^ V lo ; ; PREFACE. In presenting the 100 Years Anglo-Chinese Calendar to the public, the compiler claims no originality for his work, inasmuch as, since the year 1832,* Calendars in somewhat similar form have been yearly issued from the press in China ; but, as it is doubtful if a complete series of these exists, and as, in the transaction of business, whether official, legal or commercial, between Foreigners and Chinese, and in the study of Chinese History which is now so intimately connected with foreign nations, a knowledge of the corresponding dates is quite necessary, it is hoped that this compilation will be found useful, and especially so in referring to the date of past events, and in deciding the precise day, according to the Chinese and Chris- tian Calendars, on which they occurred. Commencing with the last quarter of the past century (1st January, 1776), the Calendar embraces the peiiod when the first British Embassy (Lord Macartney's in 1793) arrived in China. For convenience sake the Calendar has been divided into 10 parts, each embracing a period of ten years of the Christian era and ends with the close of the 14th year of the present reign Tung-chi, —the 25th January, 1876. -
How Long Is a Year.Pdf
How Long Is A Year? Dr. Bryan Mendez Space Sciences Laboratory UC Berkeley Keeping Time The basic unit of time is a Day. Different starting points: • Sunrise, • Noon, • Sunset, • Midnight tied to the Sun’s motion. Universal Time uses midnight as the starting point of a day. Length: sunrise to sunrise, sunset to sunset? Day Noon to noon – The seasonal motion of the Sun changes its rise and set times, so sunrise to sunrise would be a variable measure. Noon to noon is far more constant. Noon: time of the Sun’s transit of the meridian Stellarium View and measure a day Day Aday is caused by Earth’s motion: spinning on an axis and orbiting around the Sun. Earth’s spin is very regular (daily variations on the order of a few milliseconds, due to internal rearrangement of Earth’s mass and external gravitational forces primarily from the Moon and Sun). Synodic Day Noon to noon = synodic or solar day (point 1 to 3). This is not the time for one complete spin of Earth (1 to 2). Because Earth also orbits at the same time as it is spinning, it takes a little extra time for the Sun to come back to noon after one complete spin. Because the orbit is elliptical, when Earth is closest to the Sun it is moving faster, and it takes longer to bring the Sun back around to noon. When Earth is farther it moves slower and it takes less time to rotate the Sun back to noon. Mean Solar Day is an average of the amount time it takes to go from noon to noon throughout an orbit = 24 Hours Real solar day varies by up to 30 seconds depending on the time of year. -
BRT Past Schedule 2016
Join Our Mailing List! 2016 Schedule current schedule 2015 past schedule 2014 past schedule 2013 past schedule 2012 past schedule 2011 past schedule 2010 past schedule 2009 past schedule JANUARY 2016 NOTE: If a show at BRT has an advance price & a day-of-show price it means: If you pre-pay OR call in your reservation any time before the show date, you get the advance price. If you show up at the door with no reservations OR call in your reservations on the day of the show, you will pay the day of show price. TO MAKE RESERVATIONS, CALL BRT AT: 401-725-9272 Leave your name, number of tickets desired, for which show, your phone number and please let us know if you would like a confirmation phone call. Mondays in January starting Jan. 4, $5.00 per class, 6:30-7:30 PM ZUMBA CLASSES WITH APRIL HILLIKER Thursday, January 7 5:00-6:00 PM: 8-week class Tir Na Nog 'NOG' TROUPE with Erika Damiani begins 6:00-7:00 PM: 8-week class SOFT SHOE TECHNIQUE with Erika Damiani begins 7:00-8:00 PM: 8-week class Tir Na Nog GREEN TROUPE (performance troupe) with Erika Damiani begins Friday, January 8 4:30-5:30 PM: 8-week class Tir Na Nog RINCE TROUPE with Erika Damiani begins 5:30-6:30 PM: 8-week class BEGINNER/ADVANCED BEGINNER HARD SHOE with Erika Damiani begins 6:30-7:30 PM: 8-week class SOFT SHOE TECHNIQUE with Erika Damiani begins 7:30-8:30 PM: 8-week class Tir Na Nog CEOL TROUPE with Erika Damiani begins Saturday, January 9 9:00 AM: 8-week class in BEGINNER IRISH STEP DANCE for children 5-10 with Erika Damiani begins 10:00 AM: 8-week class in CONTINUING -
The Calendars of India
The Calendars of India By Vinod K. Mishra, Ph.D. 1 Preface. 4 1. Introduction 5 2. Basic Astronomy behind the Calendars 8 2.1 Different Kinds of Days 8 2.2 Different Kinds of Months 9 2.2.1 Synodic Month 9 2.2.2 Sidereal Month 11 2.2.3 Anomalistic Month 12 2.2.4 Draconic Month 13 2.2.5 Tropical Month 15 2.2.6 Other Lunar Periodicities 15 2.3 Different Kinds of Years 16 2.3.1 Lunar Year 17 2.3.2 Tropical Year 18 2.3.3 Siderial Year 19 2.3.4 Anomalistic Year 19 2.4 Precession of Equinoxes 19 2.5 Nutation 21 2.6 Planetary Motions 22 3. Types of Calendars 22 3.1 Lunar Calendar: Structure 23 3.2 Lunar Calendar: Example 24 3.3 Solar Calendar: Structure 26 3.4 Solar Calendar: Examples 27 3.4.1 Julian Calendar 27 3.4.2 Gregorian Calendar 28 3.4.3 Pre-Islamic Egyptian Calendar 30 3.4.4 Iranian Calendar 31 3.5 Lunisolar calendars: Structure 32 3.5.1 Method of Cycles 32 3.5.2 Improvements over Metonic Cycle 34 3.5.3 A Mathematical Model for Intercalation 34 3.5.3 Intercalation in India 35 3.6 Lunisolar Calendars: Examples 36 3.6.1 Chinese Lunisolar Year 36 3.6.2 Pre-Christian Greek Lunisolar Year 37 3.6.3 Jewish Lunisolar Year 38 3.7 Non-Astronomical Calendars 38 4. Indian Calendars 42 4.1 Traditional (Siderial Solar) 42 4.2 National Reformed (Tropical Solar) 49 4.3 The Nānakshāhī Calendar (Tropical Solar) 51 4.5 Traditional Lunisolar Year 52 4.5 Traditional Lunisolar Year (vaisnava) 58 5. -
The Indian Luni-Solar Calendar and the Concept of Adhik-Maas
Volume -3, Issue-3, July 2013 The Indian Luni-Solar Calendar and the giving rise to alternative periods of light and darkness. All human and animal life has evolved accordingly, Concept of Adhik-Maas (Extra-Month) keeping awake during the day-light but sleeping through the dark nights. Even plants follow a daily rhythm. Of Introduction: course some crafty beings have turned nocturnal to take The Hindu calendar is basically a lunar calendar and is advantage of the darkness, e.g., the beasts of prey, blood– based on the cycles of the Moon. In a purely lunar sucker mosquitoes, thieves and burglars, and of course calendar - like the Islamic calendar - months move astronomers. forward by about 11 days every solar year. But the Hindu calendar, which is actually luni-solar, tries to fit together The next natural clock in terms of importance is the the cycle of lunar months and the solar year in a single revolution of the Earth around the Sun. Early humans framework, by adding adhik-maas every 2-3 years. The noticed that over a certain period of time, the seasons concept of Adhik-Maas is unique to the traditional Hindu changed, following a fixed pattern. Near the tropics - for lunar calendars. For example, in 2012 calendar, there instance, over most of India - the hot summer gives way were 13 months with an Adhik-Maas falling between to rain, which in turn is followed by a cool winter. th th August 18 and September 16 . Further away from the equator, there were four distinct seasons - spring, summer, autumn, winter. -
CALENDRICAL CALCULATIONS the Ultimate Edition an Invaluable
Cambridge University Press 978-1-107-05762-3 — Calendrical Calculations 4th Edition Frontmatter More Information CALENDRICAL CALCULATIONS The Ultimate Edition An invaluable resource for working programmers, as well as a fount of useful algorithmic tools for computer scientists, astronomers, and other calendar enthu- siasts, the Ultimate Edition updates and expands the previous edition to achieve more accurate results and present new calendar variants. The book now includes algorithmic descriptions of nearly forty calendars: the Gregorian, ISO, Icelandic, Egyptian, Armenian, Julian, Coptic, Ethiopic, Akan, Islamic (arithmetic and astro- nomical forms), Saudi Arabian, Persian (arithmetic and astronomical), Bahá’í (arithmetic and astronomical), French Revolutionary (arithmetic and astronomical), Babylonian, Hebrew (arithmetic and astronomical), Samaritan, Mayan (long count, haab, and tzolkin), Aztec (xihuitl and tonalpohualli), Balinese Pawukon, Chinese, Japanese, Korean, Vietnamese, Hindu (old arithmetic and medieval astronomical, both solar and lunisolar), and Tibetan Phug-lugs. It also includes information on major holidays and on different methods of keeping time. The necessary astronom- ical functions have been rewritten to produce more accurate results and to include calculations of moonrise and moonset. The authors frame the calendars of the world in a completely algorithmic form, allowing easy conversion among these calendars and the determination of secular and religious holidays. Lisp code for all the algorithms is available in machine- readable form. Edward M. Reingold is Professor of Computer Science at the Illinois Institute of Technology. Nachum Dershowitz is Professor of Computational Logic and Chair of Computer Science at Tel Aviv University. © in this web service Cambridge University Press www.cambridge.org Cambridge University Press 978-1-107-05762-3 — Calendrical Calculations 4th Edition Frontmatter More Information About the Authors Edward M. -
5. Trick Or Treat Pre-Texts and Contexts
Trickor Treat: Pre-Texts and Contexts 83 Victorian survey of Irish calendar customs mentions divination games and apple bobbing as Halloween pastimes, but says nothing about food collec tion or a procession of"spirits." Muck Olla enters therecord only in 1902, in Wood-Martin'sTraces of the Elder Faithin Ireland. Therewe findthat the Druidicdeity is confinedto countyCork andthat his agent inthe masked pro cession wears a horse's head-making himlook suspiciously like the British hodeninghorse or its Welshvariant, the MariLwyd . On the practiceof masked 5. Trick or Treat beggingat the Celtic New Year, authoritieson theDruids do not saya word.2 A second reason to question the Sanihain link is, to use art historical Pre-Texts and Contexts jargon, the discontinuity in the custom's provenance. "If the'pre-Christian religiousceremo ny' theoryof originof calendarcustoms is correct," observes E. C. Cawte,"then ideally there would be records of them at all periods since pre-Christian times. On the whole, such records do not exist." Cawte is TAD TULEJA speakingof Britishanimal disgnise,but thecomment applieswell to trick or treat.As Santinosagely observes,the road fromthe sagas to today's masked children"is a long one, withmany intersections and forksand sideroads and curves"; takingit straightis to play Procrnsteswith the record. Maybenine Majority opinion on the origins as _ of trick or treat h it as a relic of teenth-century immigrants did bring costumed begging with them, but the CelticNe w Year. The ancient Celts believed that at Samhainthe irits Americansources do not makethat case. Indeed, trickor treat does not be of the dead returned to visit the living. -
The End of Time: the Maya Mystery of 2012
THE END OF TIME ALSO BY ANTHONY AVENI Ancient Astronomers Behind the Crystal Ball: Magic, Science and the Occult from Antiquity Through the New Age Between the Lines: The Mystery of the Giant Ground Drawings of Ancient Nasca, Peru The Book of the Year: A Brief History of Our Seasonal Holidays Conversing with the Planets: How Science and Myth Invented the Cosmos Empires of Time: Calendars, Clocks and Cultures The First Americans: Where They Came From and Who They Became Foundations of New World Cultural Astronomy The Madrid Codex: New Approaches to Understanding an Ancient Maya Manuscript (with G. Vail) Nasca: Eighth Wonder of the World Skywatchers: A Revised and Updated Version of Skywatchers of Ancient Mexico Stairways to the Stars: Skywatching in Three Great Ancient Cultures Uncommon Sense: Understanding Nature’s Truths Across Time and Culture THE END OF TIME T H E Ma Y A M YS T ERY O F 2012 AN T H O N Y A V E N I UNIVERSI T Y PRESS OF COLOR A DO For Dylan © 2009 by Anthony Aveni Published by the University Press of Colorado 5589 Arapahoe Avenue, Suite 206C Boulder, Colorado 80303 All rights reserved Printed in the United States of America The University Press of Colorado is a proud member of the Association of American University Presses. The University Press of Colorado is a cooperative publishing enterprise supported, in part, by Adams State College, Colorado State University, Fort Lewis College, Mesa State College, Metropolitan State College of Denver, University of Colorado, University of Northern Colorado, and Western State College of Colorado.