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Questions tagged [iana]

IANA is the Internet Assigned Numbers Authority. Use this tag only in conjunction with another tag, such as timezone or dns.

The IANA functions coordinate the Internet’s globally unique identifiers, and are provided by Public Technical Identifiers, an affiliate of ICANN.

It provides:

  • Domain Names (DNS Root Zones, etc.)
  • Number Resources (IP Addresses, AS Numbers)
  • Protocol Assignments (registered port numbers)
  • Time Zone Database (for time zone names like America/New_York)
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IANA (Internet Assigned Numbers Authority) data files and data from www.timeanddate.com

How to estimate local time using IANA (Internet Assigned Numbers Authority) data files? On this website i find the following data: https://www.timeanddate.com/time/zone/uk/london 2015 Sun, 29 Mar, 01:00GMT → BST+1 hour (DST start)UTC+1h Sun,…
olga
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TimeZoneNames standard, daylight, generic uses

While trying to differentiate between the Mountain time zone and Arizona (I realize they are both Mountain Time) I found that GetNamesForTimeZone("America/Phoenix", "en-us") returned a daylight name. Should i be relying on external code(noda time)…
DavidG
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Register own media type with IANA if the consumer of REST API is internal

I'm developing an API as RESTfull as possible and I need to create my own custome media types application/vnd[...]+json. Do i need to register with IANA if API is being consumed by specific team? Same question is being asked already but there is no…
code1234
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R convert year-month-day-hour local standard time to UTC

Background info (see question at bottom): I received a dataset of hourly averaged observations collected by instruments at hundreds of sites in different time zones every hour for the past 10 years. The instruments are never adjusted for daylight…
Dave Stumped
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Where is IANA (port numbers registry) saved?

I was wondering where can I access the IANA registry? Is it implemented in the OS? How do applications know which port to connect to, to be exact where to compare the port numbers? Some apps have the port numbers hardcoded and some have you input…
TisButAScratch
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mapping arbitrary IPv6 addresses to individual RIRs (ARIN, RIPE, etc.)

It's easy to map IPv4 addresses to their controlling RIR (ARIN, RIPE, etc.) since v4 addresses are handed out by IANA in blocks of /8 . I can write a function that takes an arbitrary IPv4 address and figures out the proper RIR simply by examining…
Dan O
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Is there any REST API where I can get IANA Timezone releases updates?

I have been searching for it, however I have only found a paid Microsoft one. I need to know when a new version is released and the only source of that information seems to be this non restful url that returns an html. Is there any endpoint/library…
Zucca
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Web browsers conflicts with Windows timezones

I am trying to solve an issue in a web application where the timezone detected is wrong for Windows users. I'm really not sure how the Windows timezones work internally vs. IANA timezones, but in the web application the timezone picked up from the…
vicp5
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How to normalize semantically same language tags? [cldr]

I am currently browsing the cldr-common-42 database and I find the use of language tags a bit confusing. For example, the tag ar-EG is used for translations in Egyptian Arabic. However, when looking for what "Egyptian Arabic" is in other languages,…
Vasco Lange
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Retrieve DST date and time for IANA tzdata in Phyton

I am looking for a python or java script to get the DST date and time for a specific IANA time zone and year. In the end it should look like something like this
Stephan
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Why would using a port number in the Dynamic Ports range be unsuitable for an application?

As stated by IANA when one wants to register a port number and a service name in the User Ports range, one of the requirements from RFC 6335 section 8.1.2 is to have a reason: "...why using a port number in the Dynamic Ports range is unsuitable for…
EN20
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There is a way to force outlook app to use IANA format when import .ics file

i'm currently facing of an issue of data format. My product provides ics files to allow users to import meeting schedule in their own calendar. As my users are in different countries, we use timezone to manage the difference of hour. Till now, it…
ferlaymat
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Where can I find a list of all assigned TLS extensions, groups, ciphers?

I'm writing some code to parse TLS packets and ran across a weird issue. I don't think the official IANA pages are up to date seeing as I've found group, ciphers, and an extension that appears in traffic but not on these pages: General parameters:…
helloCode0135
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most used timezones support in the web application

I have an application which helps users to book meetings (events). I have to provide users with an opportunity to choice his/her own time zone in order to accurately plan and change event dates as well as show his/her schedules. I have found the…
Arthur
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How can I determine the IANA timezone of a specific location

Is there a (free) webservice where I can a) give it an address (either full or city, state/province and zip), and b) get the IANA timezone of that address? Use case: I have a form where a user manages clinics. Each clinic has an address. I want to…
Steve -Cutter- Blades
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