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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. | | | All Eastern churches continue to use the Julian Easter with the sole exception of the Finnish Orthodox Church, which has adopted the Gregorian Easter. |
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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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| | 2. The Christian Calendar |
| | This is case even in the churches that otherwise use the Gregorian calendar. | | | Note, however, that while the Julian calendar was in use, it was customary to use tables rather than calculations to determine Easter. | | | 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. |
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http://www.tondering.dk/claus/cal/node3.html
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| | Proleptic Gregorian calendar - Wikipedia, the free encyclopedia |
| | Note that the Julian calendar was in actual use after AD 4, until 1582 or later (see From Julian to Gregorian in Julian calendar), so historians and astronomers prefer to use the actual Julian calendar during that period. | | | But when seasonal dates are important, the proleptic Gregorian calendar is sometimes used, especially when discussing cultures that did not use the Julian calendar. | | | Likewise, the proleptic Julian calendar is used to specify dates before AD 4, its first quadrennial leap year (leap years between 45 BC and AD 4 were irregular, see Leap years error in Julian calendar). |
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http://en.wikipedia.org/wiki/Proleptic_Gregorian_Calendar
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| | ASPN : Python Cookbook : proleptic Gregorian dates and strftime before 1900 |
| | What I do is use the standard strftime for any date after 1900. | | | The calendar usually repeats every 28 years, excepting years through century years which are leap years in which case it's a 6 year repeat. | | | But only if you're using the Gregorian # calendar. |
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http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/306860
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| | Station Information - Proleptic Julian calendar |
| | Because the Julian Calendar was actually used before that time, one must explicitly state that a given date is in the Proleptic Gregorian Calendar when that is used. | | | This is the convention used in the "astronomical Julian calendar". | | | Likewise, the Proleptic Gregorian Calendar is used to specify dates before its official introduction in 1582. |
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http://www.stationinformation.com/encyclopedia/p/pr/proleptic_julian_calendar_1.html
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| | [CF-metadata] Gregorian calendar in CF |
| | In the default calendar, the changeover from Julian to Gregorian is 1582-10-15 in CF, as in udunits. | | | when using the default (Gregorian) calendar the time origin ("...since > ") should lie on the same side of the 1582-10-15 calandar change as do > the time coordinate values > 2. | | | The proleptic Gregorian calendar is already permitted in CF. |
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http://www.cgd.ucar.edu/pipermail/cf-metadata/2002/000035.html
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| | 5.19 calendar -- General calendar-related functions |
| | This matches the definition of the "proleptic Gregorian" calendar in Dershowitz and Reingold's book "Calendrical Calculations", where it's the base calendar for all computations. | | | Prints the calendar for an entire year as returned by | | | The earliest year for which a calendar can be generated is platform-dependent. |
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http://www.python.org/doc/current/lib/module-calendar.html
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| | Calendars.com - More than 6,500 2006 Calendars in Stock |
| | This calendar invites you to the beautiful blue water and wonderfully warm sunshine of tropical island paradises. | | | The superb duotone reproductions and gracious design make this a wall calendar that is a welcomed gift or treasured keepsake as a monthly reminder of the work of this great American photographer. | | | The beauty of nature and values in simple living are captured in each light-filled illustration within the 2006 edition of the Thomas Kinkade calendar. |
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http://www.calendars.com
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| | [Ferret] question about using proleptic gregorian calendar |
| | Subject: [Ferret] question about using proleptic gregorian calendar | | | However, the documentation says that Ferret's gregorian calendar is proleptic gregorian but nc-files with the attribute value 'gregorian' or 'standard' are identified as mixed julian/gregorian. | | | As far as I experienced, ferret 5.8 doesn't accept the attribute value 'proleptic_gregorian' from the CF convention. |
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http://ferret.wrc.noaa.gov/Ferret/Mail_Archives/fu_2005/msg00622.html
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| | NodeWorks - Encyclopedia: 0s |
| | Centuries: 1st century BC - 1st century - 2nd century Decades: 40s BC 30s BC 20s BC 10s BC 0s BC - 0s - 10s 20s 30s 40s 50s Years: (0 - does not exist in either the proleptic Gregorian calendar or Julian calendar) 1 2 3 [MORE] |
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http://pedia.nodeworks.com/0/0S
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| | Class template gregorian_calendar_base |
| | This is a parameterized implementation of a proleptic Gregorian Calendar that can be used in the creation of date systems or just to perform calculations. | | | boost::date_time::gregorian_calendar_base — An implementation of the Gregorian calendar. | | | All the methods of this class are static functions, so the intent is to never create instances of this class. |
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http://www.boost.org/doc/html/gregorian_calendar_base.html
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