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  2. List of tz database time zones - Wikipedia

    en.wikipedia.org/wiki/List_of_tz_database_time_zones

    The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software.

  3. NTP pool - Wikipedia

    en.wikipedia.org/wiki/NTP_pool

    The more time servers there are in the pool, the lower the resource demand on each member. Joining the pool requires at least a broadband connection to the Internet, a static IP address, and accurate time from another source (for example, another NTP server, a DCF77 receiver, a WWVB receiver, or a GPS disciplined oscillator).

  4. Time server - Wikipedia

    en.wikipedia.org/wiki/Time_server

    The time reference used by a time server could be another time server on the network or the Internet, a connected radio clock or an atomic clock. The most common true time source is a GPS or GPS master clock. Time servers are sometimes multi-purpose network servers, dedicated network servers, or dedicated devices. All a dedicated time server ...

  5. Network Time Protocol - Wikipedia

    en.wikipedia.org/wiki/Network_Time_Protocol

    Time at the server when the request arrived, in NTP timestamp format. Transmit Timestamp (xmt): 64 bits Time at the server when the response left, in NTP timestamp format. Extension Field: variable Optional field(s) for NTP extensions (see [5], Section 7.5). Key Identifier: 32 bits Unsigned integer designating an MD5 key shared by the client ...

  6. List of time zone abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_time_zone...

    This article includes a list of general references, but it lacks sufficient corresponding inline citations. Please help to improve this article by introducing more precise citations. (January 2013) (Learn how and when to remove this message)

  7. List of UTC offsets - Wikipedia

    en.wikipedia.org/wiki/List_of_UTC_offsets

    This is a list of the UTC time offsets, showing the difference in hours and minutes from Coordinated Universal Time (UTC), from the westernmost (−12:00) to the easternmost (+14:00). It includes countries and regions that observe them during standard time or year-round.

  8. South Africa Standard Time - Wikipedia

    en.wikipedia.org/wiki/South_Africa_Standard_Time

    Solar noon in this time zone occurs at 30° E in SAST, effectively making Pietermaritzburg at the correct solar noon point, with Johannesburg and Pretoria slightly west at 28° E and Durban slightly east at 31° E. Thus, most of South Africa's population experience true solar noon at approximately 12:00 daily.

  9. RIPE NCC - Wikipedia

    en.wikipedia.org/wiki/RIPE_NCC

    The RIPE NCC service region [3] consists of countries in Europe, the Middle East and parts of Central Asia. RIPE NCC services are available to users outside this region through Local Internet Registries; these entities must have a valid legal address inside the service region but can offer their services to anyone. [7] Asia. Southwest Asia [29]