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  2. History of timekeeping devices - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping_devices

    The tower clock of Norwich Cathedral constructed c. 1273 (reference to a payment for a mechanical clock dated to this year) is the earliest such large clock known. The clock has not survived. [ 95 ] The first clock known to strike regularly on the hour, a clock with a verge and foliot mechanism, is recorded in Milan in 1336. [ 96 ]

  3. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    The Doomsday Clock is a symbol that represents the estimated likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [1] Maintained since 1947, the Clock is a metaphor, not a prediction, for threats to humanity from unchecked scientific and technological advances. That is, the time ...

  4. Roman timekeeping - Wikipedia

    en.wikipedia.org/wiki/Roman_timekeeping

    This was a period of prayer initially held at three in the afternoon but eventually moved back to midday for unknown reasons. [12] The change of meaning was complete by around 1300. [13] The terms a.m. and p.m. are still used in the 12-hour clock, as opposed to the 24-hour clock.

  5. Here's when to set your clock back for daylight saving time - AOL

    www.aol.com/heres-set-clock-back-daylight...

    At 2 a.m. on Sunday, the clocks will "fall back" an hour and millions of Americans will gain an extra hour of sleep. This event annually marks the end of Daylight Saving Time (DST).

  6. Daylight saving time, fall back & spring forward: What we ...

    www.aol.com/daylight-saving-time-fall-back...

    Spring forward, fall back. Gain an hour, lose an hour. "War time." No matter how you refer to it, daylight saving time is coming to an end for 2023.

  7. Here's how setting your clock back an hour impacts ... - AOL

    www.aol.com/heres-setting-clock-back-hour...

    Don’t forget to adjust your clocks, because the time will change on Sunday, Nov. 5 at 2 a.m. local time.

  8. 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 2 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 ...

  9. Daylight saving time - Wikipedia

    en.wikipedia.org/wiki/Daylight_saving_time

    Daylight saving time (DST), also referred to as daylight saving(s), daylight savings time, daylight time (United States and Canada), or summer time (United Kingdom, European Union, and others), is the practice of advancing clocks to make better use of the longer daylight available during summer so that darkness falls at a later clock time.