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  2. Wikipedia:Age calculation templates - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Age_calculation...

    {} – works with "fuzzy" or ambiguous dates {{Birth date and age}} – used on most biographical entries {{Birth date and age2}} – calculates age at a specified date {{Birth based on age as of date}} – used when a reference mentions the age of a person as of the date of the reference's publication {{Birth year and age}} {}

  3. Calculation of radiocarbon dates - Wikipedia

    en.wikipedia.org/wiki/Calculation_of_radiocarbon...

    The fraction modern is then converted to an age in "radiocarbon years", meaning that the calculation uses Libby's half-life of 5,568 years, not the more accurate modern value of 5,730 years, and that no calibration has been done: [13] = ⁡ ()

  4. Radiocarbon calibration - Wikipedia

    en.wikipedia.org/wiki/Radiocarbon_calibration

    Where the curve varies significantly both up and down, a single radiocarbon date range may produce two or more separate calendar year ranges. Example t 2 , in red on the graph, shows this situation: a radiocarbon age range of about 1260 BP to 1280 BP converts to three separate ranges between about 1190 BP and 1260 BP.

  5. Luminescence dating - Wikipedia

    en.wikipedia.org/wiki/Luminescence_dating

    The age range of luminescence dating methods extends from a few years [5] to over one million years for red TL. [6] Since the early applications of luminescence dating in the 1960/1970s, the field has received growing attention in the scientific community, with more than 3500 publications per year and >200 laboratories across the globe in 2020. [7]

  6. Calendrical calculation - Wikipedia

    en.wikipedia.org/wiki/Calendrical_calculation

    The number of days between two dates, which is simply the difference in their Julian day numbers. The dates of moveable holidays, like Christian Easter (the calculation is known as Computus) followed up by Ascension Thursday and Pentecost or Advent Sundays, or the Jewish Passover, for a given year. Converting a date between different calendars.

  7. Stardate - Wikipedia

    en.wikipedia.org/wiki/Stardate

    Though the guide sets the series "about two hundred years from now", the few references within the show itself were contradictory, and later productions and reference materials eventually placed the series between the years 2265 and 2269. The second pilot begins on stardate 1312.4 and the last-produced episode on stardate 5928.5. [6]

  8. TSL color space - Wikipedia

    en.wikipedia.org/wiki/TSL_color_space

    TSL color space (Tint, Saturation and Lightness) is a perceptual color space which defines color as tint (the degree to which a stimulus can be described as similar to or different from another stimuli that are described as red, green, blue, yellow, and white, can be thought of as hue with white added), saturation (the colorfulness of a stimulus relative to its own brightness), and lightness ...

  9. Doomsday rule - Wikipedia

    en.wikipedia.org/wiki/Doomsday_rule

    The doomsday's anchor day calculation is effectively calculating the number of days between any given date in the base year and the same date in the current year, then taking the remainder modulo 7. When both dates come after the leap day (if any), the difference is just 365y + ⁠ y / 4 ⁠ (rounded down). But 365 equals 52 × 7 + 1, so after ...