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| | Gregorian calendar - Wikipedia, the free encyclopedia |
 | | The last day of the Julian calendar was 4 October 1582 and this was followed by the first day of the Gregorian calendar 15 October 1582. | | | The motivation of the Catholic Church in adjusting the calendar was to have Easter celebrated at the time that they thought had been agreed to at the First Council of Nicaea in 325. | | | Accordingly, when the new calendar was put in use, the error accumulated in the 13 centuries since the Council of Nicaea was corrected by a deletion of ten days. |
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http://en.wikipedia.org/wiki/Gregorian_calendar
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| | Astronomical Time Keeping |
| | Omission of 10 calendar days, the 4th of October 1582 was followed directly by the 15th of October 1582 in the new calendar. | | | At the beginning of the 16th century the date in the Julian calendar already lagged 10 days behind the true position of Earth in its orbit and the Easter date began to lose its intended connection with the Jewish feast of Passover (that is tied to the true start of spring). | | | Although most sources date the conversion from Julian to Gregorian calendar for the pair of days October 4./15., 1582, this is in fact only true for countries where the Roman Catholic Church was influential. |
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http://www.maa.mhn.de/Scholar/calendar.html
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| | Gregorian calendar -- Encyclopædia Britannica |
| | It was proclaimed in 1582 by Pope Gregory XIII as a reform of the Julian calendar. | | | Celebrating the end of one year and the start of a new one is an age-old religious, social, and cultural observance in all parts of the world. | | | Summarizes the astronomical bases and the history of calendars and then focuses on the Gregorian, Hebrew, Islamic, Indian, Chinese, and Julian calendars. |
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http://www.britannica.com/eb/article-9038013
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| | According to Jewish tradition, the year 1 of the Jewish calendar was the time of "waste and void" referred to in Genesis 1:1. | | | U.S. government calendars are printed with the "Julian day" on them, which is the number of the day of the year. | | | That means that the Gregorian calendar is slower than the mean tropical solar year by about 3 days in every 10,000 years. |
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http://www.abdicate.net/cal.aspx
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| | The Gregorian Calendar |
| | The only difference between the "Improved" and the Gregorian calendar was the determination of Easter but finally, in 1775, the Protestants threw over board their "astronomical" Easter calculation and, since 1776, celebrated Easter together with the Catholic church. | | | The days given are the last day of the Julian calendar and the first day of the Gregorian calendar. | | | In Turkey the Islamic calendar was in use until 1926. |
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http://www.ortelius.de/kalender/greg_en.php
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| | Tarek's Gregorian (Christian) /Hijri (Islamic)/ Julian / Hebrew (Jewish) / Chinese Universal Calendar Converter |
| | The Islamic (Hijri) Calendar -with dates that fall within the Muslim Era- is usually abbreviated AH in Western languages from the Latinized Anno Hejirae "In the year of the Hijra." 1st of Muharram, AH 1 corresponds to Friday July 16th, 622 CE in the Julian Calendar. | | | The Islamic Calendar, which is based purely on lunar cycles, was first introduced in 638 CE by the close companion of the Prophet Muhammad and the second Caliph, `Umar ibn Al-Khattab (586-644 CE). | | | The Soviet Union adopted the Gregorian calendar in 1918, and Greece adopted it in 1923 for civil purposes, but many countries affiliated with the Greek church retain the Julian, or Old Style, calendar for the celebration of church feasts. |
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http://bennyhills.fortunecity.com/elfman/454/calindex.html
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| | The Gregorian Calendar—History |
| | The Gregorian calendar year differs from the solar year by only 26 seconds—accurate enough for most mortals, since this only adds up to one day's difference every 3,323 years. | | | The semilunar Hebrew calendar, consisting of twelve 29- and 30-day months, adds an intercalary month seven times every 19 years (which explains the sometimes confusing drift of Passover—and consequently Easter&; through April and March). | | | The Revolutionary calendar had no week; each month was divided into three decades, with every tenth day to be a day of rest. |
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http://www.factmonster.com/spot/gregorian1.html
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| | CATHOLIC ENCYCLOPEDIA: Reform of the Calendar |
| | The first was attained by the omission from the calendar of the ten superfluous days, so as to bring things back to their proper position. | | | The necessity of a reform was continually urged, especially by Church authorities, who felt the need in connexion with the ecclesiastical calendar. | | | There were two main objects to be attained: first, the error of ten days, already mentioned, which had crept in, had to be got rid of; second, its recurrence had to be prevented for the future. |
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http://www.newadvent.org/cathen/03168a.htm
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| | The Gregorian Conversion |
| | In 1582, Pope Gregory XIII decreed a modification to the Julian calendar. | | | The last Christian countries to accept the Gregorian calendar were the Orthodox ones. | | | Most countries had given up the improved calendar for the Gregorian easter by the end of the eighteenth century. |
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http://www.polysyllabic.com/GregConv.html
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| | Ecclesiastical Calendar: Enter a Year... |
| | A Calendar of Jewish Feasts by B'nai B'rith | | | Calendar FAQ by Claus Tondering answers many questions concerning calendars, leap years, the Christian, Hebrew, and Islamic calendars. | | | Alex Kochergin writes that in the Eastern Orthodox perspective, Septuagesima and Quinquagesima are still celebrated- in fact, the three Sundays of Pre-Lent before Lent starts have as their Gospel Readings: the Parable of the Publican and the Pharisee, the Parable of the Prodigal Son, and Christ's reminder of the Last Judgement. |
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http://www.smart.net/~mmontes/ec-cal.html
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| | date conversions.htm |
| | The Gregorian Calendar was not fully adopted in Great Britain until 1752, although it had been practically universal on the Continent for over a century. | | | Note: On the Gregorian proleptic calendar, the year 0 is counted as one. | | | This discrepancy of 10, 11, 12 or 13 days (according to the century) does not as a rule cause much confusion. |
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http://www.dome-igm.com/convers.htm
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| | Julian Date Converter |
| | Calendar dates — year, month, and day &; are more problematic. | | | Adoption of the Gregorian calendar in the rest of the world progressed slowly. | | | Various calendar systems have been in use at different times and places around the world. |
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http://aa.usno.navy.mil/data/docs/JulianDate.html
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| | Toke Nørby. The Perpetual Calendar |
| | Julian calendar is still in force in the Serbian Orthodox Church. | | | In the Gregorian Calendar there is then 303 years with 365 days and 97 years with 366 days, which gives a mean year of 365.24250 days: 365 days, 5 hours, 49 minutes and 12 seconds. | | | That means that in Slovenia and Croatia Gregorian calendar was in force at the moment they have joined with Serbia. |
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http://www.norbyhus.dk/calendar.html
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| | Calendar a History - Timekeepers |
| | January is the first month of the year in the Gregorian calendar with 31 days, and is named for the Roman god Janus, the god of gates, doors, openings and beginnings. | | | Now the problem that these western "scholars" encountered was having the vernal equinox and also Easter fall on a date that the church fathers had selected. | | | The days of the week and the first day of each month were the same in 1990 as they will be in 2018 and 2046. |
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http://users.commspeed.net/k6xf/calendar.htm
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| | Old Style and New Style Dates |
| | The Swedes finally settled for the Gregorian calendar in 1753 omitting the eleven days from 18th to the end of February of that year. | | | Communication between England and the Continent was thus prone to ambiguities as far as dates were concerned, due firstly to the difference of ten days (eleven after 1700), and secondly to the different start of the year. | | | "Not until 1753 was Sweden ready for the adoption of the Gregorian calendar. |
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http://www.genfair.com/dates.htm
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| | 2. The Christian Calendar |
| | This is case even in the churches that otherwise use the Gregorian calendar. | | | When the Greek Orthodox Church in 1923 decided to change to the Gregorian calendar (or rather: a Revised Julian Calendar), they chose to use the astronomical full moon as the basis for calculating Easter, rather than the ``official'' full moon described in the previous sections. | | | Note, however, that while the Julian calendar was in use, it was customary to use tables rather than calculations to determine Easter. |
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http://www.tondering.dk/claus/cal/node3.html
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| | Gregorian Calendar |
| | Without doubt, Easter was the most important feast of the Christian Church, and its place in the calendar determined the position of the rest of the church's movable feasts[5]. | | | This value differed by 0.0078 days per year from the Julian calendar reckoning, amounting to 0.78 days per century, or 3.12 days every 400 years. | | | The Gregorian Calendar was introduced as the correction to the previously universal Julian calendar. |
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http://www.math.sfu.ca/histmath/calendars/gregorian.html
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| | JavaScript Gregorian Calendar |
| | in 1582, as a correction to the widely followed Julian calendar, when it became apparent that Easter was in grave danger of turning into a Summer festival. | | | The 25000 year limit is there for a reason -- many 16-bit machines overflow for larger years. | | | However, the Gregorian calendar was initially adopted only in Catholic European countries. |
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http://www.chaoszone.org/misc/gregorian.html
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| | Define Gregorian calendar - a Whatis.com definition |
| | Instituted by Pope Gregory XIII in 1582, the calendar has 365 days with an extra day every four years (the leap year) except in years divisible by 100 but not divisible by 400. | | | Note: Email addresses will only be used to send site | | | The Gregorian calendar is the calendar in current use in the Western world, both as the civil and Christian ecclesiastical calendar. |
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http://whatis.techtarget.com/definition/0,,sid9_gci212214,00.html
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| | Gregorian calendar |
| | The Pope forwarded it to the calendar reform commission he had created. | | | Lilius died before the reform occurred, but after his death his brother Antonio presented to Pope Gregory a manuscript titled Compendiuem novae rationis restituendi kalendarium (Compendium of the New Plan for the Restitution of the Calendar) that Aloysius had written. | | | Such a change would make the Gregorian calendar correct to one day in 20,000 years. |
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http://www.sizes.com/time/cal_gregorian.htm
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| | The British Switch to the Gregorian Calendar |
| | It was during the late 16th century that work of the 6th century Anglo-Saxon monk, Bede, was submitted to Pope Gregory XIII who accepted the calculations and made the decision to issue a more accurate calendar which ultimately was accepted. | | | The Gregorian calendar was adopted by most Roman Catholic countries. | | | Many protestant countries did not accept the new calendar until the 18th century, including Britain... |
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http://www.crowl.org/Lawrence/time/britgreg.html
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| | Calendar |
| | Add a number of days to a given date | | | The year 2006 is a normal year, with 365 days in total (Gregorian calendar) | | | List of years that use the same calendar as 2006 |
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http://www.timeanddate.com/calendar
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| | The Gregorian Calendar |
| | The reason for the calendar change was to correct for drift in the dates of signifigant religious observations (primarily Easter) and to prevent further drift in the dates. | | | The Gregorian Calendar is a revision of the Julian Calendar which was instituted in a papal bull by Pope Gregory XIII in 1582. | | | Adoption of the new calendar was essentially immediate within Catholic countries. |
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http://www.furrfu.com/magpies/cal_gregorian.html
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| | Converting Between Julian Dates and Gregorian Calendar Dates |
| | Conversion from a Gregorian calendar date to a Julian date. | | | Conversion from a Julian date to a Gregorian calendar date. | | | Converting Between Julian Dates and Gregorian Calendar Dates |
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http://aa.usno.navy.mil/faq/docs/JD_Formula.html
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| | Hebrew Date Converter |
| | See also the Hebcal Yahrzeit, Birthday and Anniversary Calendar which will calculate dates ten years into the future and optionally export to Palm, Outlook, or iCal. |
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http://www.hebcal.com/converter
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| | Gregorian Calendar Calculator |
| | Returns Gregorian or Julian Date from a Maya Long Count date Values are accurate from August 11, 3114 BC to December 21, 2012 AD. | | | To learn more about the Maya Calendar go to the |
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http://bama.ua.edu/~gomez002/gregcal.html
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