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  2. Randy Gardner sleep deprivation experiment - Wikipedia

    en.wikipedia.org/wiki/Randy_Gardner_sleep...

    Randy Gardner (born c. 1946) is an American man from San Diego, California, who once held the record for the longest amount of time a human has gone without sleep.In December 1963/January 1964, 17-year-old Gardner stayed awake for 11 days and 24 minutes (264.4 hours), breaking the previous record of 260 hours held by Tom Rounds.

  3. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    Before January 2020, the two tied-for-lowest points for the Doomsday Clock were in 1953 (when the Clock was set to two minutes until midnight, after the U.S. and the Soviet Union began testing hydrogen bombs) and in 2018, following the failure of world leaders to address tensions relating to nuclear weapons and climate change issues. In other ...

  4. Playing time (cricket) - Wikipedia

    en.wikipedia.org/wiki/Playing_time_(cricket)

    The term last hour can be a misnomer. One hour before the scheduled end of the game, the last hour starts. An agreed minimum number of overs (usually 15 in Test match cricket and 20 in other first-class cricket games) is bowled. The last hour therefore lasts either for the longer of 60 minutes, or the time it takes to bowl the agreed minimum ...

  5. The time when a day on Earth was just 19 hours long - AOL

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  6. 12-hour clock - Wikipedia

    en.wikipedia.org/wiki/12-hour_clock

    The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin ante meridiem, translating to "before midday") and p.m. (from Latin post meridiem, translating to "after midday"). [1] [2] Each period consists of 12 hours numbered: 12 (acting as 0), [3] 1, 2, 3, 4

  7. Dawn - Wikipedia

    en.wikipedia.org/wiki/Dawn

    This effect is more pronounced closer to the poles, where the Sun rises at the vernal equinox and sets at the autumn equinox, with a long period of twilight, lasting for a few weeks. [citation needed] The polar circle (at 66°33′50.3″ north or south) is defined as the lowest latitude at which the Sun does not set at the summer solstice.

  8. How many days until Christmas Day 2024? See live countdown - AOL

    www.aol.com/many-days-until-christmas-day...

    This article originally appeared on Austin American-Statesman: How many days until Christmas 2024? See live countdown. Show comments. Advertisement. Advertisement. In Other News. Finance.

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