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  2. Season - Wikipedia

    en.wikipedia.org/wiki/Season

    Most calendar-based partitions use a four-season model to demarcate the warmest and coldest seasons, which are further separated by two intermediate seasons. Calendar-based reckoning defines the seasons in relative rather than absolute terms, so the coldest quarter-year is considered winter even if floral activity is regularly observed during ...

  3. List of calendars - Wikipedia

    en.wikipedia.org/wiki/List_of_calendars

    This is a list of calendars.Included are historical calendars as well as proposed ones. Historical calendars are often grouped into larger categories by cultural sphere or historical period; thus O'Neil (1976) distinguishes the groupings Egyptian calendars (Ancient Egypt), Babylonian calendars (Ancient Mesopotamia), Indian calendars (Hindu and Buddhist traditions of the Indian subcontinent ...

  4. Seasonal year - Wikipedia

    en.wikipedia.org/wiki/Seasonal_year

    A study of temperature records over the past 300 years [1] suggests that the seasonal year is governed by the anomalistic year rather than the tropical year. This suggestion is surprising because the seasons have been thought to be governed by the tilt of the Earth's axis (see Effect of sun angle on climate). The two types of years differ by a ...

  5. History of calendars - Wikipedia

    en.wikipedia.org/wiki/History_of_calendars

    [citation needed] For both Christians and Jews, the prime historical date was the Year of Creation, or Annus Mundi. [45] The Eastern Orthodox Church fixed the date of Creation at 5509 BC. [45] This remained the basis of the ecclesiastical calendar in the Greek and Russian Orthodox world until modern times. [45] The Coptic Church fixed on 5500 BC.

  6. 2024 Dates: A quick guide to seasons, holidays and sporting ...

    www.aol.com/2024-dates-quick-guide-seasons...

    The NFL season kicks off on Thursday, Sept. 5, 2024. When does college football start? College football enthusiasts can rejoice as the season begins on Saturday, Aug. 24, 2024.

  7. List of NFL seasons - Wikipedia

    en.wikipedia.org/wiki/List_of_NFL_seasons

    The National Football League (NFL) is a professional American football league in the United States and the highest professional level of American football in the world. [1] It was formed in 1920 as the American Professional Football Association (APFA) before adopting its current name for the 1922 season.

  8. Enoch calendar - Wikipedia

    en.wikipedia.org/wiki/Enoch_calendar

    The Enoch calendar is an ancient calendar described in the pseudepigraphal Book of Enoch.It divided the year into four seasons of exactly 13 weeks. Each season consisted of two 30-day months followed by one 31-day month, with the 31st day ending the season, so that Enoch's year consisted of exactly 364 days.

  9. Gregorian calendar - Wikipedia

    en.wikipedia.org/wiki/Gregorian_calendar

    Every year that is exactly divisible by four is a leap year, except for years that are exactly divisible by 100, but these centurial years are leap years if they are exactly divisible by 400. For example, the years 1700, 1800, and 1900 are not leap years, but the year 2000 is. —