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  2. Cosmic Calendar - Wikipedia

    en.wikipedia.org/wiki/Cosmic_Calendar

    A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, the final minute, and the final second. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.

  3. List of decades, centuries, and millennia - Wikipedia

    en.wikipedia.org/wiki/List_of_decades,_centuries...

    See calendar and list of calendars for other groupings of years. See history, history by period, and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang, Geologic time scale, Timeline of evolution, and Logarithmic timeline

  4. Calendar era - Wikipedia

    en.wikipedia.org/wiki/Calendar_era

    A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one. [1] For example, the current year is numbered 2025 in the Gregorian calendar, which numbers its years in the Western Christian era (the Coptic Orthodox and Ethiopian Orthodox churches have their own Christian eras).

  5. 360-day calendar - Wikipedia

    en.wikipedia.org/wiki/360-day_calendar

    The 360-day calendar is a method of measuring durations used in financial markets, in computer models, in ancient literature, and in prophetic literary genres.. It is based on merging the three major calendar systems into one complex clock [citation needed], with the 360-day year derived from the average year of the lunar and the solar: (365.2425 (solar) + 354.3829 (lunar))/2 = 719.6254/2 ...

  6. Template:Years or months ago - Wikipedia

    en.wikipedia.org/wiki/Template:Years_or_months_ago

    Template:Time ago – displays elapsed time (with same singular or plural text as this template) Template:Age – displays elapsed time in years (number only, future dates generate negative number) The above documentation is transcluded from Template:Years or months ago/doc .

  7. Before Present - Wikipedia

    en.wikipedia.org/wiki/Before_Present

    The year 1950 was chosen because it was the standard astronomical epoch at that time. [ citation needed ] It also marked [ 3 ] the publication of the first radiocarbon dates in December 1949, [ 17 ] and 1950 also antedates large-scale atmospheric testing of nuclear weapons , which altered the global ratio of carbon-14 to carbon-12 .

  8. Template:Time ago - Wikipedia

    en.wikipedia.org/wiki/Template:Time_ago

    This template calculates the amount of time which has passed since a provided timestamp. Template parameters [Edit template data] Parameter Description Type Status Timestamp 1 Base timestamp for calculation of passed time. Example format: Nov 6 2008, see template documentation for other supported formats. String required magnitude magnitude Explicitly sets a specific unit to display return ...

  9. List of dates predicted for apocalyptic events - Wikipedia

    en.wikipedia.org/wiki/List_of_dates_predicted...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 9 February 2025. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. The Last Judgment by painter Hans Memling. In Christian belief, the Last Judgement is an apocalyptic event where God makes a final ...