2.6.1 • Published 3 years ago

countries-and-timezones-iso3 v2.6.1

Weekly downloads
-
License
MIT
Repository
github
Last release
3 years ago

countries-and-timezones

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A minimalistic library to work with countries and timezones data. Updated with the IANA timezones database.

Usage

NodeJS

Install with npm or yarn:

npm install --save countries-and-timezones

Browser

Add the following script to your project (only ~9kb):

<!-- Latest version -->
<script src="https://cdn.jsdelivr.net/gh/manuelmhtr/countries-and-timezones@latest/dist/index.js" type="text/javascript"></script>

<!-- Or specify a version -->
<script src="https://cdn.jsdelivr.net/gh/manuelmhtr/countries-and-timezones@v2.4.0/dist/index.js" type="text/javascript"></script>

<!-- This will export a variable named "ct": -->
<script type="text/javascript">
  var data = ct.getCountry('MX');
  console.log(data);
</script>

API

.getCountry(id)

Returns a country referenced by its id.

Example

const ct = require('countries-and-timezones');

const country = ct.getCountry('DE');
console.log(country);

/*
Prints:

{
  id: 'DE',
  name: 'Germany',
  timezones: [ 'Europe/Busingen', 'Europe/Berlin' ]
}

*/

.getTimezone(name)

Returns a timezone referenced by its name.

Example

const ct = require('countries-and-timezones');

const timezone = ct.getTimezone('America/Los_Angeles');
console.log(timezone);

/*
Prints:

{
  name: 'America/Los_Angeles',
  country: 'US',
  utcOffset: -480,
  utcOffsetStr: '-08:00',
  dstOffset: -420,
  dstOffsetStr: '-07:00',
  aliasOf: null
}

*/

.getAllCountries()

Returns an object with the data of all countries.

Example

const ct = require('countries-and-timezones');

const countries = ct.getAllCountries();
console.log(countries);

/*
Prints:

{
  AD: {
    id: 'AD',
    name: 'Andorra',
    timezones: [ 'Europe/Andorra' ]
  },
  AE: {
    id: 'AE',
    name: 'United Arab Emirates',
    timezones: [ 'Asia/Dubai' ]
  },
  AF: {
    id: 'AF',
    name: 'Afghanistan',
    timezones: [ 'Asia/Kabul' ]
  },
  AG: {
    id: 'AG',
    name: 'Antigua and Barbuda',
    timezones: [ 'America/Antigua' ]
  },
  ...
}

*/

.getAllTimezones()

Returns an object with the data of all timezones.

Example

const ct = require('countries-and-timezones');

const timezones = ct.getAllTimezones();
console.log(timezones);

/*
Prints:

{
  'Africa/Bamako': {
    name: 'Africa/Bamako',
    country: 'ML',
    utcOffset: 0,
    utcOffsetStr: '+00:00',
    dstOffset: 0,
    dstOffsetStr: '+00:00',
    aliasOf: 'Africa/Abidjan'
  },
  'Africa/Banjul': {
    name: 'Africa/Banjul',
    country: 'GM',
    utcOffset: 0,
    utcOffsetStr: '+00:00',
    dstOffset: 0,
    dstOffsetStr: '+00:00',
    aliasOf: 'Africa/Abidjan'
  },
  'Africa/Conakry': {
    name: 'Africa/Conakry',
    country: 'GN',
    utcOffset: 0,
    utcOffsetStr: '+00:00',
    dstOffset: 0,
    dstOffsetStr: '+00:00',
    aliasOf: 'Africa/Abidjan'
  },
  ...
}

*/

.getTimezonesForCountry(id)

Returns an array with all the timezones of a country given its id.

Example

const ct = require('countries-and-timezones');

const timezones = ct.getTimezonesForCountry('MX');
console.log(timezones);

/*
Prints:

[
  {
    name: 'Mexico/BajaSur',
    country: 'MX',
    utcOffset: -420,
    utcOffsetStr: '-07:00',
    dstOffset: -360,
    dstOffsetStr: '-06:00',
    aliasOf: 'America/Mazatlan'
  },
  {
    name: 'Mexico/General',
    country: 'MX',
    utcOffset: -360,
    utcOffsetStr: '-06:00',
    dstOffset: -300,
    dstOffsetStr: '-05:00',
    aliasOf: 'America/Mexico_City'
  },
  {
    name: 'America/Ensenada',
    country: 'MX',
    utcOffset: -480,
    utcOffsetStr: '-08:00',
    dstOffset: -420,
    dstOffsetStr: '-07:00',
    aliasOf: 'America/Tijuana'
  },
  ...
}

*/

.getCountryForTimezone(name)

Returns the country that uses a timezone given its name.

Example

const ct = require('countries-and-timezones');

const timezone = ct.getCountryForTimezone('Asia/Tokyo');
console.log(timezone);

/*
Prints:

{
  id: 'JP',
  name: 'Japan',
  timezones: [ 'Asia/Tokyo' ]
}

*/

Data models

Country

A country is defined by the following parameters:

ParameterTypeDescription
idStringThe country ISO 3166-1 code.
nameStringPreferred name of the country.
timezonesArrayStringThe list of timezones used in the country.
{
  id: 'MX',
  name: 'Mexico',
  timezones: [
    'Mexico/BajaSur',
    'Mexico/General',
    'America/Ensenada',
    'America/Santa_Isabel',
    'Mexico/BajaNorte',
    'America/Bahia_Banderas',
    'America/Cancun',
    'America/Chihuahua',
    'America/Tijuana',
    'America/Hermosillo',
    'America/Matamoros',
    'America/Mazatlan',
    'America/Merida',
    'America/Mexico_City',
    'America/Monterrey',
    'America/Ojinaga'
  ]
}

Timezone

A timezone is defined by the following parameters:

ParameterTypeDescription
nameStringThe name of the timezone, from tz database.
countryStringThe ISO 3166-1 code of the country where it's used. Etc/*, GMT and UTC timezones don't have and associated country.
utcOffsetNumberThe difference in minutes between the timezone and UTC.
utcOffsetStrStringThe difference in hours and minutes between the timezone and UTC, expressed as string with format: ±[hh]:[mm].
dstOffsetNumberThe difference in minutes between the timezone and UTC during daylight saving time (DST). When utcOffset and dstOffset are the same, means that the timezone does not observe a daylight saving time.
dstOffsetStrStringThe difference in hours and minutes between the timezone and UTC during daylight saving time (DST, expressed as string with format: ±[hh]:[mm].
aliasOfStringThe name of a primary timezone in case this is an alias. null means this is a primary timezone.
{
  name: 'Asia/Tel_Aviv',
  country: 'IL',
  utcOffset: 120,
  utcOffsetStr: '+02:00',
  dstOffset: 180,
  dstOffsetStr: '+03:00',
  aliasOf: 'Asia/Jerusalem'
}

Related projects

Help

This project is maintained by a single person, considering supporting by:

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License

MIT