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Topic: Perpetual calendar


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In the News (Tue 17 Nov 09)

  
  Calendar - Wikipedia, the free encyclopedia
A lunisolar calendar is synchronized both to the motion of the Moon and to the apparent motion of the Sun; an example is the Jewish calendar.
Calendars in widespread use today include the Gregorian calendar, which is the de facto international standard, and is used almost everywhere in the world for civil purposes, including in China and India (along with the Indian national calendar).
The Ethiopian calendar or Ethiopic calendar is the principal calendar used in Ethiopia and Eritrea.
en.wikipedia.org /wiki/Calendar   (2013 words)

  
 Perpetual calendar - Wikipedia, the free encyclopedia
A perpetual calendar is a calendar which is good for a span of many years, such as the Runic calendar.
For the Gregorian calendar, a perpetual calendar often consists of 14 one-year calendars, plus a table to show which one-year calendar is to be used for any given year.
The term perpetual calendar is also used in watchmaking to describe a mechanism in the watch that displays calendar dates and does not need to be adjusted at the end of each month by the user to take into account the different lengths of different months.
en.wikipedia.org /wiki/Perpetual_calendar   (493 words)

  
 Aristean Calendar - God's Calendar for the New Millennium
Signs Behind God's Calendar - Amazing signs that truly prove that the Aristean calendar came from God and Aristeo as the chosen one to present it to the world.
Calendar reform at the United Nations - The document formally lodged by India in 1953 at the United Nations initiating the discussion of the issue of world calendar reform.
Proclamation of the Aristean Calendar - Because of his firm belief of having divine authority and being an instrument of God, Aristeo proclaimed the Aristean calendar on the Internet as the official standard primary calendar of the whole world beginning January 1, 2001.
www.geocities.com /peacecrusader888/calendaridx.htm   (565 words)

  
 Terry Redlin Calendars - 2006 Wall Calendars - perpetual calendar - Country-art.com.
Your calendar doesn't have to be a nondescript generic white calendar stuck to the wall.
Terry Redlin's "Seasons to Remember" Perpetual Calendar, is a unique way to display a 12 oval porcelain plate collection reflecting 12 of Redlin's well loved paintings.
The calendar display with holiday and birthday blocks are included FREE to display your 12 plate collection.
country-art.com /ca/terry_redlin_calendars.htm   (450 words)

  
 Instructions-Seiko Perpetual Calendar
The calendar is preset at the factory and will automatically adjust for the length of every month, including February in leap years, up to February 28, 2100.
Because the watch may have crossed international date lines since it was originally set, you should check that the calendar is correct before setting the watch.
Seiko Perpetual Calendar watches also include a function in which the second hand indicates the number of years since the last leap year.
www.watchliquidators.com /perpetualcalendar.html   (437 words)

  
 eWatches.com - Perpetual Calendar Watches by Citizen, Seiko and more! Authorized Dealer
These watches automatically adjust for short and long months, and leap year too; these watches are programmed with a perpetual calendar normally extending up to the year 2100 or beyond.
Not only will the perpetual calendar save you the trouble of fixing the dates on your watches, Eco-Drive means you'll never have to change batteries in your watches either.
Seiko perpetual calendar watches can come with many other features to assure that your watches will last a long time: double-locking clasps, 10 year battery life, screw-down crowns and casebacks, accuracy to within 20 seconds per year, and more.
www.ewatches.com /PerpetualCalendar.html   (333 words)

  
 Western-Chinese Calendar Converter
This calendar, based upon the length of the Earth's revolution around the Sun (and hence called a solar calendar) was instituted in October 15, 1582 AD by Pope Gregory XIII as a reform to the previously used Julian calendar.
The traditional Chinese agricultural calendar is primarily lunar, in that the lunar cycle (a lunation) between new moons is a principle part of the calendar.
The Chinese agricultural calendar is also partially solar though because 7 times in a 19 year cycle, an extra leap month (runyue) is be added to the year to bring it back into line with the longer solar year.
www.mandarintools.com /calconv_old.html   (1270 words)

  
 Perpetual Calendar
The history of the calendar is the history of the attempts to adjust these incommensurable units in such a way as to obtain a simple and practicable system.
This calendar was used for the following six and a half centuries until Julius Caesar introduced a more exact year of 365.25 days.
The Julian calendar was a little too long, and by 1582 the accumulated error amounted to 10 days.
4umi.com /mirror/Perpetual_Calendar.htm   (527 words)

  
 Java Perpetual Calendar
CALENDAR uses five utility functions for basic calculations like deciding if a given year is a leap year and determining the day of the week on which the first day of the month falls.
Pope Gregory XIII established the modern calendar in 1582 by removing three leap years from every 400 year cycle, compared to the old Julian calendar which provided for a leap year every fourth year without exception.
Normally the calendar advances one day each year because a year is 52 weeks and one day.
my.execpc.com /~mikeber/calendar.html   (1376 words)

  
 The IWC Perpetual Calendar Mechanism - TimeZone
In the Ref. 3541 Portofino, the calendar mechanism is used on an ETA 2892 as the IWC calibre 375-7.
Most perpetuals provide the four functions (date, day of the week, month, and moonphase) through essentially separate mechanisms, each of which may be driven separately from the base movement.
The calendar mechanism is show in Figure 2 set to February 28, one year after leap year in the four year cycle (this is considered the "beginning" of the four year cycle).
www.timezone.com /library/horologium/horologium0015   (1859 words)

  
 Perpetual Calendar
This was a calendar of 12 months and 365 days with one extra day added every fourth or leap year.
In the Gregorian Calendar, leap years occur every fourth year, except if the year is divisible by 100, unless the year is also divisible by 400.
In 1582, the Gregorian calendar was ten days ahead of the Julian Calendar so Pope Gregory decreed that October 4, 1582 would be immediately followed by October 15, 1582.
www.borisbrooks.com /cgi-bin/p-cal.pl   (477 words)

  
 Perpetual Calendar   (Site not responding. Last check: 2007-09-22)
The Julian Calendar was named for Julius Ceasar (as is July), it was used for about 1500 years.
The Gregorian calendar is so accurate that the difference between the calendar and solar years is now only 26.3 seconds.
To compensate for this error, Pope Gregory XIII (after whom the Gregorian Calendar is named) decreed that the ten days between October 5, 1582 and October 14, 1582 would be eliminated from the calendar.
www.cox-internet.com /fpreston/calendar.htm   (440 words)

  
 Chinese Lunar Calendar - LunarCal
Despite the name, the Chinese calendar is a actually a lunisolar calendar and is therefore dependent upon the orbital properties (positions) of the Sun and the Moon.
Since the calendar is based upon the true positions of the Sun and the Moon, the accuracy of the calendar depends upon the astronomical theories and formulae used.
The Chinese calendar is enumerated using astronomical formulae based on meridian 120°E. Some outdated programs and textbooks uses meridian 116°25'E (location of Beijing) which is incorrect.
lunarcal.org   (511 words)

  
 seiko perpetual calendar watches -- instruction sheet   (Site not responding. Last check: 2007-09-22)
The calendar is pre-set at the factory and will automatically adjust for the length of every month, including February in leap years, up to February 28, 2100.
Because the hour hand can be set independently of the other hands, resetting a Perpetual Calendar watch when you enter a new time zoneis as easy as 1-2-3.
The calendar function should not be affected by battery changes, as long as the watch has not been allowed to stop completely.
www.seikodealer.com /calendar_inst.htm   (773 words)

  
 Perpetual Calendar
In addition, the front sheet of the calendar should contain a conversion-table (9), stating how many years have to be added or subtracted in order to use the calendar for years not listed in the year-section (2) of the disk.
When this is done, the months appearing through the month-slot, and the week-days and date-numbers on the front sheet, constitute a complete and condensed calendar for the year in question, the week-day for any date appearing in the same row as the month, and the same column as the date.
In the present application, no such special treatment of leap-years is required or used, the calendar being operated for leap-years in exactly the same manner as for other years, the operation thus being simplified so that no such caution is required of the user of the calendar.
www.sidis.net /Calendar.htm   (781 words)

  
 Ecclesiastical Calendar: Enter a Year...
the Julian Calendar or the Gregorian Calendar, 1875-2124.
For example, England and its dominions did not accept the Gregorian Calendar or the new method of determining Easter until 1752; thus, Easter in England prior to 1753 was determined using the same algorithm as that of the Orthodox Church.
And some countries that switched to the Gregorian calendar used a different definition of Easter for some time (parts of Germany and Sweden used tables based on the observations of Tycho Brahe to determine Easter for many years after the Gregorian calendar was adopted in those locations).
www.smart.net /~mmontes/ec-cal.html   (2614 words)

  
 CALENDAR
The 'modern' calendar is based upon the amount of time it takes the Earth to go through one seasonal cycle (called a 'Tropical Year' - about 365.25 days).
So, by the 1500's, the calendar was 10 days out of step with the seasons.
Most of Europe adjusted their calendars by eliminating 10 days of the calendar in 1582.
www.1728.com /calendar.htm   (488 words)

  
 The Perpetual Calendar
Enter any year after 1582 (the start of the modern calendar), choose a month, then click 'New Calendar' to show the calendar for that month.
This clever calendar was written by Michael Bertrand; you can get the source code for it at his home page.
CALENDAR calculates how many normal years and how many leap years have elapsed between 1582 and the given year, then calculates the day of the week for January 1 of the given year by comparing with 1582.
www.havemann.com /calendar.html   (256 words)

  
 Interalian Perpetual Calendar
Likewise, each year begins on Sunday and ends on Saturday so the calendar is perpetual in that it never needs to be replaced from year to year.
With the Intercalian Perpetual Calendar (“Intercalia” for short), holidays would always fall on the same day, and sports schedules and the like would never have to be altered from year to year.
This calendar could be adopted on January 1, 2006, which is the next time when New Year’s Day falls on a Sunday.
www.indochinegame.com /board_games/calendar.html   (285 words)

  
 Calendar Mine - Features (Perpetual Multicultural Calendar Software)
Calendar Mine is a perpetual calendar, it never goes out of date.
Print a calendar which you would be proud to hang on your wall or send to a friend.
Many users enjoy their personalized calendar so much, they use it as a home calendar as well as an office calendar.
www.calendarmine.com /Features.asp   (1026 words)

  
 Lighthouse Wooden Perpetual Calendar Clock
The Lighthouse Wooden Perpetual Calendar conveniently combines a calendar with a wall clock, allowing you to easily keep track of the date and time.
The wood calendar wall clock is painted a vivid blue and decorated with an appealing lighthouse scene.
A fun and practical addition to any kitchen, this nautical themed perpetual calendar clock measures 17 7/8 tall, 10” wide, 1 5/8” thick and requires one AA battery (not included).
www.gormangiftgallery.com /clockcalendar.html   (111 words)

  
 How To Make Perpetual Wall Calendar
This is an amazing calendar that remains functional for thousands of years.
While the ink may fade after a significant number of years, we reckon that the calendars will be readable for a sufficient period of time.
Background information: The idea for a perpetual calendar first occured to me when I realized that there are only a limited number of potential layouts for a calendar month.
www.uniqueprojects.com /projects/perpetual/perpetualoriginal.htm   (1427 words)

  
 Perpetual Calendar at Ancestor Search
Be aware of when the calendar was changed from Julian to Gregorian in the country for which you are performing the calculation.
If the newspaper is dated January 9, 1899 and states a person died the previous Thursday, use the perpetual calendar to find Thursday's date.
Use the calendar to fill in the narrative of your family history.
www.searchforancestors.com /utility/perpetualcalendar.html   (458 words)

  
 What are the rules of our "perpetual calendar"? | AskMoses.com   (Site not responding. Last check: 2007-09-22)
There is a quirk in the calendar which will sometimes cause this calculation to be off by one day.
February-March), is the most joyous month on the calendar due to the holiday of Purim which is on the 14th and 15th of this month.
The second month on the Jewish calendar, normally corresponding to April-May. The 18th of this month is the holiday of Lag b'Omer.
www.askmoses.com /qa_detail.html?o=79399   (365 words)

  
 Perpetual Calendar   (Site not responding. Last check: 2007-09-22)
So the Julian Calendar (named for Julius Caesar) was devised with an extra day every four years, at the end of February (we know this as Leap Year).
So even though the days of the week were observed the same around the world, the calendar dates were different in different countries for about 170 years.
This meant that someone born on February 7, 1546 on the civil calendar, would be considered as born in February 7, 1545 on the church calendar.
www.ookingdom.com /metric/calendar   (877 words)

  
 6 - Perpetual Calendar
The Desktop Dozen Perpetual Calendar tool is perfect for those times when you just want to look at dates on a simple calendar for this year, next year, or virtually any year in the past or future.
The Perpetual Calendar displays all dates between February 1600 to November 3999.
The Perpetual Calendar is just one of 12 software tools that make up Desktop Dozen.
www.spudcity.com /d12/D12_calendar.htm   (288 words)

  
 The Island Register - Perpetual Calendar
Well, the answer is here, provided you know the date that she was born.
Enter the year and month in the Java calendar, click on "New Calendar", Et Voila!, you will see a correct calendar for the month and year she was born!
This calendar will work for any Gregorian year, from 1582 till the present, as long as you have a java enabled browser.
www.islandregister.com /calendar.html   (153 words)

  
 MOMA Perpetual Calendar
Designed for the Museum of Modern Art, this perpetual calendar by designer Gideon Dagan has ingeniously captured the essence of pure, minimalist function.
For display on a desktop or mounted on a wall, its string-tethered metal ball is suspended in mid-air by the magnetic force of the outer arc.
They tell me that customers and associates often comment about the calendar as they are fascinated by the design and the ball extended upright on the string seemingly hanging in space.
www.thegadgetbox.com /i157-c5   (340 words)

  
 Herschel's Perpetual Calendar
This difference was noticed by astronomers and by 1582 when the date on the calendar was out of line with the date "in the stars" by about 10 days, Pope Gregory decided to correct it.
Mark Bader has the details from the original 1751 Act of Parliament bringing in the Gregorian calendar from September 1752 in the UK under King George II and "his Majesty's Dominions...".
We still see remnants of the old calendar in that Christmas Day (St Nicholas Day) has retained its former "orthodox" date and is 12 days out - being celebrated on January 6th instead of December 25th in some parts of Europe (the twelfth day of Christmas).
www.mcs.surrey.ac.uk /Personal/R.Knott/PerpetualCalendar.html   (858 words)

  
 Perpetual Calendar
Here's a perpetual Gregorian calendar that shows days of the week for any month.
You might be interested in some calendar history and facts, and also my Easter page for when and why the Gregorian calendar was introduced in different regions.
Find the column with first 2 digits of the year (eg the 19 in 1997), and the row with the last 2 digits of the year (eg the 97 in 1997).
users.chariot.net.au /~gmarts/calendar.htm   (237 words)

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