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Gregorian Calendar Accuracy

A selection of articles related to gregorian calendar accuracy.

Original articles from our library related to the Gregorian Calendar Accuracy. See Table of Contents for further available material (downloadable resources) on Gregorian Calendar Accuracy.

Festival Cycles, Christian Feasts and the Sabbats
A Miscellany of Festivals : Christian Equivalents for the "Sabbats" There's a number of reasons why the "Wiccan" wheel of the year and the Christian Calendar don't match. The most important is all too often overlooked. The Christian...
Religions >> Christianity & Paganism
Feasts of the Times
"There are rituals of the elements and feasts of the times." - AL II,36 The Tropical Zodiac, while not shifting with the precession of the Earth like the Sidereal Zodiac, has the charming...
Magick >> Thelema
Celtic Gods and Heros: Celtic Gods of Mainland Europe
Speakers of Celtic languages once dominated a swath of Europe stretching from Spain to areas of modern-day Turkey. At various times in their heyday from 500 to 100 B.C., these Celtic peoples controlled what is now France, southern Germany, northern Italy,...
Deities & Heros >> Celtic, Welsh, Irish & Brittish
Phases of the Moon: 2001 to 2010 - Dates and Times
Year New Moon First Quarter Full Moon Last Quarter Delta T 2001 Jan 2 22:32 Jan 9 20:25 t Jan 16 12:36 00h01m Jan 24 13:08 Feb 1 14:02 Feb 8 07:12 Feb 15 03:25 Feb 23 08:22 Mar 3 02:03 Mar 9 17:23 Mar 16 20:47 Mar 25 01:23 Apr 1 10:49 Apr 8 03:22 Apr 15 15:32...
Astrology >> The Moon
Phases of the Moon: 1901 to 1910 - Dates and Times
Year New Moon First Quarter Full Moon Last Quarter Delta T 1901 Jan 5 00:12 Jan 12 20:39 00h00m Jan 20 14:35 Jan 27 09:51 Feb 3 15:28 Feb 11 18:12 Feb 19 02:44 Feb 25 18:37 Mar 5 08:02 Mar 13 13:06 Mar 20 12:53 Mar 27 04:38 Apr 4 01:19 Apr 12 03:57 Apr 18 21:3...
Astrology >> The Moon
Chinese Zodiac Signs: An Overview
Chinese zodiac presented the character of persons born under each sign in twelve consecutive years. Each year are represented by the twelve animals, as follows
Mystic Sciences >> Astrology
Phases of the Moon: 2011 to 2020 - Dates and Times
Year New Moon First Quarter Full Moon Last Quarter Delta T 2011 Jan 4 09:03 P Jan 12 11:32 Jan 19 21:22 Jan 26 12:58 00h01m Feb 3 02:31 Feb 11 07:19 Feb 18 08:36 Feb 24 23:27 Mar 4 20:46 Mar 12 23:45 Mar 19 18:10 Mar 26 12:07 Apr 3 14:32 Apr 11 12:04 Apr 18...
Astrology >> The Moon

Gregorian Calendar Accuracy is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Gregorian Calendar Accuracy books and related discussion.

Suggested News Resources

Taking another leap to explain that confusing year
I read that all this extra calculation is required because the earlier “Julian” Calendar, which had a leap year every four years, added too many days over many years, so the Gregorian Calendar provided these extra calculations to be more accurate.
Historic clocks that have stood the test of time
The ingenious mechanisms devised to count the seconds with increasing accuracy have inspired some of the most exquisitely worked decorative objects of the past 400 years. In particular, it was ....
No perfect calendar: why we have leap years and why the Earth's always out of sync
In the Gregorian calendar, one of the most widely-used calendars in the world, a common year is your standard "365 day" cycle. A leap year, however, has 366 days.
For Feb. 29, Tales of the Calendar Wars
After Julius Caesar's reforms in 46 B.C., the Roman year had 12 months, 365 days and a leap year every four years.
Luxottica Group's (LUX) CEO Massimo Vian on Q4 2015 Results - Earnings Call
So once again from my side good morning, good morning to all of you and welcome to today's presentation at this fantastic location.

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