What does bissextile year mean?

Definitions for bissextile year
bis·sex·tile year

This dictionary definitions page includes all the possible meanings, example usage and translations of the word bissextile year.

Princeton's WordNet

  1. leap year, intercalary year, 366 days, bissextile yearnoun

    in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400

Wiktionary

  1. bissextile yearnoun

    a year with an extra day, a leap year

  2. Etymology: From bissextile + year.

Wikipedia

  1. bissextile year

    A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year or seasonal year. Because astronomical events and seasons do not repeat in a whole number of days, calendars that have a constant number of days in each year will unavoidably drift over time with respect to the event that the year is supposed to track, such as seasons. By inserting (called intercalating in technical terminology) an additional day or month into some years, the drift between a civilization's dating system and the physical properties of the Solar System can be corrected. A year that is not a leap year is a common year. For example, in the Gregorian calendar, each leap year has 366 days instead of 365, by extending February to 29 days rather than the common 28. These extra days occur in each year that is an integer multiple of 4 (except for years evenly divisible by 100, but not by 400). The leap year of 366 days has 52 weeks and two days, hence the year following a leap year will start later by two days of the week. In the lunisolar Hebrew calendar, Adar Aleph, a 13th lunar month, is added seven times every 19 years to the twelve lunar months in its common years to keep its calendar year from drifting through the seasons. In the Bahá'í Calendar, a leap day is added when needed to ensure that the following year begins on the March equinox. The term leap year probably comes from the fact that a fixed date in the Gregorian calendar normally advances one day of the week from one year to the next, but the day of the week in the 12 months following the leap day (from March 1 through February 28 of the following year) will advance two days due to the extra day, thus leaping over one day in the week. For example, Christmas Day (December 25) fell on a Friday in 2020, Saturday in 2021, Sunday in 2022, and will be on a Monday in 2023, but then will leap over Tuesday to fall on a Wednesday in 2024. The length of a day is also occasionally corrected by inserting a leap second into Coordinated Universal Time (UTC) because of variations in Earth's rotation period. Unlike leap days, leap seconds are not introduced on a regular schedule because variations in the length of the day are not entirely predictable. Leap years can present a problem in computing, known as the leap year bug, when a year is not correctly identified as a leap year or when February 29 is not handled correctly in logic that accepts or manipulates dates.

ChatGPT

  1. bissextile year

    A bissextile year, more commonly referred to as a leap year, is a year in the Gregorian calendar that has 366 days instead of the usual 365 days. This extra day, February 29, is added every four years to synchronize the calendar year with the solar year as the Earth's orbit of the sun actually takes approximately 365.25 days.

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Numerology

  1. Chaldean Numerology

    The numerical value of bissextile year in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of bissextile year in Pythagorean Numerology is: 2


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"bissextile year." Definitions.net. STANDS4 LLC, 2024. Web. 4 Mar. 2024. <https://www.definitions.net/definition/bissextile+year>.

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