When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. System time - Wikipedia

    en.wikipedia.org/wiki/System_time

    The resolution of an implementation's measurement of time does not imply the same precision of such measurements. For example, a system might return the current time as a value measured in microseconds, but actually be capable of discerning individual clock ticks with a frequency of only 100 Hz (10 ms).

  3. List of tz database time zones - Wikipedia

    en.wikipedia.org/wiki/List_of_tz_database_time_zones

    The UTC offsets are based on the current or upcoming database rules. This table does not attempt to document any of the historical data which resides in the database. In Ireland , what Irish law designates as "standard time" is observed during the summer, with clocks turned one hour ahead of UTC.

  4. Sunrise equation - Wikipedia

    en.wikipedia.org/wiki/Sunrise_equation

    J transit is the Julian date for the local true solar transit (or solar noon). 2451545.0 is noon of the equivalent Julian year reference. 0.0053 sin ⁡ M − 0.0069 sin ⁡ ( 2 λ ) {\displaystyle 0.0053\sin M-0.0069\sin \left(2\lambda \right)} is a simplified version of the equation of time .

  5. Local mean time - Wikipedia

    en.wikipedia.org/wiki/Local_mean_time

    Local mean time (LMT) is a form of solar time that corrects the variations of local apparent time, forming a uniform time scale at a specific longitude. This measurement of time was used for everyday use during the 19th century before time zones were introduced beginning in the late 19th century; it still has some uses in astronomy and navigation.

  6. Coordinated Universal Time - Wikipedia

    en.wikipedia.org/wiki/Coordinated_Universal_Time

    This is an accepted version of this page This is the latest accepted revision, reviewed on 10 February 2025. Primary time standard "UTC" redirects here. For the time zone between UTC−1 and UTC+1, see UTC+00:00. For other uses, see UTC (disambiguation). It has been suggested that UTC offset be merged into this article. (Discuss) Proposed since December 2024. Current time zones Coordinated ...

  7. Unix time - Wikipedia

    en.wikipedia.org/wiki/Unix_time

    It was celebrated in Copenhagen, Denmark, at a party held by the Danish UNIX User Group at 03:46:40 local time. Unix time [a] is a date and time representation widely used in computing. It measures time by the number of non-leap seconds that have elapsed since 00:00:00 UTC on 1 January 1970, the Unix epoch. For example, at midnight on 1 January ...

  8. ISO 8601 - Wikipedia

    en.wikipedia.org/wiki/ISO_8601

    ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data.It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1]

  9. Wikipedia : Comments in Local Time

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

    Comments in Local Time (source code) is a gadget that changes UTC-based dates, such as those in signatures, to be relative to the user's local time. It also adds the day of the week to dates, and uses common phrases to describe dates (i.e., Today, 2 months ago, etc.).