• Astronomical year numbering is based on AD/CE year numbering, but follows normal decimal integer numbering more strictly. Thus, it has a year 0; the years...
    9 KB (1,202 words) - 16:15, 15 March 2024
  • this system, the year 1 BC is followed directly by year AD 1. However, there is a year zero in both the astronomical year numbering system (where it coincides...
    15 KB (1,940 words) - 05:14, 7 September 2024
  • Thumbnail for Conversion between Julian and Gregorian calendars
    calendars. Years are given in astronomical year numbering. Within these tables, January 1 is always the first day of the year. The Gregorian calendar did...
    6 KB (361 words) - 20:57, 10 September 2024
  • Thumbnail for Anno Domini
    preceding years referred to as Before the Common Era (BCE). Astronomical year numbering and ISO 8601 avoid words or abbreviations related to Christianity...
    34 KB (4,072 words) - 03:36, 18 September 2024
  • the proleptic Julian calendar is a leap year. This is to be distinguished from the astronomical year numbering, introduced in 1740 by French astronomer...
    4 KB (466 words) - 04:11, 9 March 2024
  • Thumbnail for Year
    A year is the time taken for astronomical objects to complete one orbit. For example, a year on Earth is the time taken for Earth to revolve around the...
    51 KB (5,661 words) - 22:06, 17 August 2024
  • calculation of the number of years between a negative (BC) year and a positive (AD) year. This is the convention in astronomical year numbering and the international...
    9 KB (894 words) - 03:39, 1 August 2024
  • proposed solar calendars: Assamese calendar Assyrian calendar Astronomical year numbering Badí‘ calendar Basotho calendar Bengali calendar Gregorian calendar...
    8 KB (948 words) - 03:01, 29 August 2024
  • Zero-based numbering is a way of numbering in which the initial element of a sequence is assigned the index 0, rather than the index 1 as is typical in...
    23 KB (2,933 words) - 19:25, 13 June 2024
  • Century (category 100 (number))
    computer, the astronomical year numbering and ISO 8601 systems both contain a year zero, with the astronomical year 0 corresponding to the year 1 BC, the...
    9 KB (726 words) - 03:28, 6 September 2024
  • Calendar era (redirect from Year numbering)
    usage by authors who wished to emphasize secularism. Astronomical year numbering situates its year 0 with 1 BC, and counts negative years from 2 BC backward...
    31 KB (4,234 words) - 22:10, 11 September 2024
  • Thumbnail for Galactic year
    collision between the Milky Way and Andromeda". Monthly Notices of the Royal Astronomical Society. 386 (1). Oxford University Press (OUP): 461–474. arXiv:0705...
    10 KB (630 words) - 00:40, 23 August 2024
  • Astronomical chronology, or astronomical dating, is a technical method of dating events or artifacts that are associated with astronomical phenomena. Written...
    11 KB (1,537 words) - 18:27, 17 September 2024
  • Thumbnail for Egyptian chronology
    Serapeum of Saqqara also compounds the difficulties in using these records. Astronomical synchronisms. The best known of these is the Sothic cycle, and careful...
    22 KB (2,438 words) - 13:26, 17 September 2024
  • secular difference and Y {\displaystyle Y} is the year using astronomical year numbering, that is, use 1 − (year BC) for BC years. ⌊ x ⌋ {\displaystyle \left\lfloor...
    72 KB (8,282 words) - 17:10, 16 September 2024
  • Lunar calendar (redirect from Lunar year)
    (1992). Explanatory Supplement to the Astronomical Almanac. p. 577. For convenience, it is common to speak of a lunar year of twelve synodic months, or 354...
    9 KB (992 words) - 23:38, 7 September 2024
  • ISO week date (redirect from ISO year)
    average year is exactly 52.1775 weeks long; months (1⁄12 year) average at exactly 4.348125 weeks/month. An ISO week-numbering year (also called ISO year informally)...
    27 KB (3,238 words) - 21:15, 8 August 2024
  • period from 29 August in the year preceding a Julian leap year to the following 24 February. From a comparison of the astronomical data with the Egyptian and...
    77 KB (9,528 words) - 06:20, 7 September 2024
  • summer solstice. It is the type of year used by tropical solar calendars. The tropical year is one type of astronomical year and particular orbital period...
    34 KB (4,353 words) - 01:52, 9 August 2024
  • Thumbnail for Metonic cycle
    of the Christian Era. Turnhout. ISBN 9782503510507. "Glossary". The Astronomical Almanac Online!. Washington, DC: United States Naval Observatory. 2022...
    13 KB (1,438 words) - 09:37, 2 September 2024
  • Thumbnail for Sidereal and tropical astrology
    dates the Sun passes through the 12 astronomical constellations of the ecliptic are listed below, accurate to the year 2011. The dates will progress by an...
    10 KB (1,065 words) - 00:39, 8 September 2024
  • 0 (redirect from Number 0)
    year 1 BC is the first year before AD 1; there is not a year zero. By contrast, in astronomical year numbering, the year 1 BC is numbered 0, the year...
    75 KB (8,230 words) - 12:08, 17 August 2024
  • Thumbnail for 1st century BC
    does not use a year zero; however, astronomical year numbering does use a zero, as well as a minus sign, so "2 BC" is equal to "year –1". 1st century...
    24 KB (2,618 words) - 17:12, 2 May 2024
  • Thumbnail for Cosmic Calendar
    (1995). "The Universe At Your Fingertips Activity: Cosmic Calendar". Astronomical Society of the Pacific. Archived from the original on 2007-12-16. Retrieved...
    11 KB (706 words) - 14:17, 5 February 2024
  • Rome numbering from the rule of Romulus and Remus). In a manner of speaking the use of the supposed date of the birth of Christ as a base year is a form...
    16 KB (1,653 words) - 14:36, 26 December 2023
  • 27, −574 December 27, −573 December 27, and −572 December 26 (astronomical year numbering, Universal Time), if one does not account for the fact that the...
    7 KB (543 words) - 05:55, 10 August 2024
  • the purpose of year identification and numbering. It continued until 1945, when the reign of Nguyễn dynasty came to an end. The Anka year (Odia: ଅଙ୍କ Aṅka)...
    20 KB (2,314 words) - 15:23, 2 September 2024
  • a book with tables that gives the trajectory of naturally occurring astronomical objects as well as artificial satellites in the sky, i.e., the position...
    16 KB (1,697 words) - 05:46, 4 April 2024
  • Thumbnail for Milankovitch cycles
    with eccentricity is that proximity to the Sun occurs during different astronomical seasons. Milankovitch studied changes in these movements of the Earth...
    49 KB (5,223 words) - 10:23, 29 July 2024
  • Thumbnail for Hebrew calendar
    Hebrew calendar (redirect from Hebrew Year)
    celebrated as Rosh Hashana. Before the adoption of the current Anno Mundi year numbering system, other systems were used. In early times, the years were counted...
    109 KB (13,377 words) - 16:55, 12 September 2024