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# Holidays Featurization
Holidays is a built-in featurization that incorporates a feature-engineered dataset of national holiday information into your model. It provides native support for the holiday calendars of over 250 countries. Amazon Forecast incorporates both the [Holiday API library](https://holidayapi.com/countries) and [Jollyday API](https://jollyday.sourceforge.net/data.html) to generate holiday calendars.
The Holidays featurization is especially useful in the retail domain, where public holidays can significantly affect demand.
The Holiday featurization supports a minimum forecast frequency of 5 minutes and a maximum of 1 month.
**Topics**
+ [Enabling the Holidays Featurization](#enabling-holidays)
+ [Country Codes](#holidays-country-codes)
+ [Additional Holiday Calendars](#holiday-calendars)
## Enabling the Holidays Featurization
The Holidays featurization is included in Amazon Forecast as an [Additional Dataset](API_AdditionalDataset.md), and is enabled before training a predictor. It is recommended that your historical data contains at least two years of data. This allows Forecast to identify demand patters that are associated with specific holidays. After you choose a country, Holidays applies that country’s holiday calendar to every item in your dataset during training.
You can enable Holidays using the Amazon Forecast console or the Forecast Software Development Kit (SDK).
------
#### [ Forecast SDK ]
Using the [`CreateAutoPredictor`](API_CreateAutoPredictor.md) operation, enable Holidays by adding `"Name": "holiday`" and setting `"Configuration"` to map `"CountryCode"` a two-letter country code. See [Country Codes](#holidays-country-codes).
For example, to include the USA holiday calendar, use the following code.
```
"DataConfig": {
"AdditionalDatasets": [
{
"Name": "holiday",
"Configuration": {
"CountryCode" : ["US"]
}
},
]
},
```
------
#### [ Forecast Console ]
Choose a country from the **Country for Holidays** drop-down during the **Train Predictor** stage.
![\[Toggle switch to activate holidays and dropdown menu to select a country for forecast accuracy.\]](http://docs.aws.amazon.com/forecast/latest/dg/images/holidays-dropdown-2.png)
------
## Country Codes
Amazon Forecast provides native support for the public holiday calendars of the following countries. Use the **Country Code** when specifying a country with the API.
**Supported Countries**
| Country | Country Code |
| --- | --- |
| Afghanistan | AF |
| Åland Islands | AX |
| Albania | AL |
| Algeria | DZ |
| American Samoa | AS |
| Andorra | AD |
| Angola | AO |
| Anguilla | AI |
| Antartica | AQ |
| Antigua and Barbuda | AG |
| Argentina | AR |
| Armenia | AM |
| Aruba | AW |
| Australia | AU |
| Austria | AT |
| Azerbaijan | AZ |
| Bahamas | BS |
| Bahrain | BH |
| Bangladesh | BD |
| Barbados | BB |
| Belarus | BY |
| Belgium | BE |
| Belize | BZ |
| Benin | BJ |
| Bermuda | BM |
| Bhutan | BT |
| Bolivia | BO |
| Bosnia and Herzegovina | BA |
| Botswana | BW |
| Bouvet Island | BV |
| Brazil | BR |
| British Indian Ocean Territory | IO |
| British Virgin Islands | VG |
| Brunei Darussalam | BN |
| Bulgaria | BG |
| Burkina Faso | BF |
| Burundi | BI |
| Cambodia | KH |
| Cameroon | CM |
| Canada | CA |
| Cape Verde | CV |
| Caribbean Netherlands | BQ |
| Cayman Islands | KY |
| Central African Republic | CF |
| Chad | TD |
| Chile | CL |
| China | CN |
| Christmas Island | CX |
| Cocos (Keeling) Islands | CC |
| Colombia | CO |
| Comoros | KM |
| Cook Islands | CK |
| Costa Rica | CR |
| Croatia | HR |
| Cuba | CU |
| Curaçao | CW |
| Cyprus | CY |
| Czechia | CZ |
| Democratic Republic of the Congo | CD |
| Denmark | DK |
| Djibouti | DJ |
| Dominica | DM |
| Dominican Republic | DO |
| Ecuador | EC |
| Egypt | EG |
| El Salvador | SV |
| Equatorial Guinea | GQ |
| Eritrea | ER |
| Estonia | EE |
| Eswatini | SZ |
| Ethiopia | ET |
| Falkland Islands | FK |
| Faroe Islands | FO |
| Fiji | FJ |
| Finland | FI |
| France | FR |
| French Guiana | GF |
| French Polynesia | PF |
| French Southern Territories | TF |
| Gabon | GA |
| Gambia | GM |
| Georgia | GE |
| Germany | DE |
| Ghana | GH |
| Gibraltar | GI |
| Greece | GR |
| Greenland | GL |
| Grenada | GD |
| Guadeloupe | GP |
| Guam | GU |
| Guatemala | GT |
| Guernsey | GG |
| Guinea | GN |
| Guinea-Bissau | GW |
| Guyana | GY |
| Haiti | HT |
| Heard Island and McDonald Islands | HM |
| Honduras | HN |
| Hong Kong | HK |
| Hungary | HU |
| Iceland | IS |
| India | IN |
| Indonesia | ID |
| Iran | IR |
| Iraq | IQ |
| Ireland | IE |
| Isle of Man | IM |
| Israel | IL |
| Italy | IT |
| Ivory Coast | CI |
| Jamaica | JM |
| Japan | JP |
| Jersey | JE |
| Jordan | JO |
| Kazakhstan | KZ |
| Kenya | KE |
| Kiribati | KI |
| Kosovo | XK |
| Kuwait | KW |
| Kyrgyzstan | KG |
| Laos | LA |
| Latvia | LV |
| Lebanon | LB |
| Lesotho | LS |
| Liberia | LR |
| Libya | LY |
| Liechtenstein | LI |
| Lithuania | LT |
| Luxembourg | LU |
| Macao | MO |
| Madagascar | MG |
| Malawi | MW |
| Malaysia | MY |
| Maldives | MV |
| Mali | ML |
| Malta | MT |
| Marshall Islands | MH |
| Martinique | MQ |
| Mauritania | MR |
| Mauritius | MU |
| Mayotte | YT |
| Mexico | MX |
| Micronesia | FM |
| Moldova | MD |
| Monaco | MC |
| Mongolia | MN |
| Montenegro | ME |
| Montserrat | MS |
| Morocco | MA |
| Mozambique | MZ |
| Myanmar | MM |
| Namibia | NA |
| Nauru | NR |
| Nepal | NP |
| Netherlands | NL |
| New Caledonia | NC |
| New Zealand | NZ |
| Nicaragua | NI |
| Niger | NE |
| Nigeria | NG |
| Niue | NU |
| Norfolk Island | NF |
| North Korea | KP |
| North Macedonia | MK |
| Northern Mariana Islands | MP |
| Norway | NO |
| Oman | OM |
| Pakistan | PK |
| Palau | PW |
| Palestine | PS |
| Panama | PA |
| Papua New Guinea | PG |
| Paraguay | PY |
| Peru | PE |
| Philippines | PH |
| Pitcairn Islands | PN |
| Poland | PL |
| Portugal | PT |
| Puerto Rico | PR |
| Qatar | QA |
| Republic of the Congo | CG |
| Réunion | RE |
| Romania | RO |
| Russian Federation | RU |
| Rwanda | RW |
| Saint Barthélemy | BL |
| "Saint Helena, Ascension and Tristan da Cunha " | SH |
| Saint Kitts and Nevis | KN |
| Saint Lucia | LC |
| Saint Martin | MF |
| Saint Pierre and Miquelon | PM |
| Saint Vincent and the Grenadines | VC |
| Samoa | WS |
| San Marino | SM |
| Sao Tome and Principe | ST |
| Saudi Arabia | SA |
| Senegal | SN |
| Serbia | RS |
| Seychelles | SC |
| Sierra Leone | SL |
| Singapore | SG |
| Sint Maarten | SX |
| Slovakia | SK |
| Slovenia | SI |
| Solomon Islands | SB |
| Somalia | SO |
| South Africa | ZA |
| South Georgia and the South Sandwich Islands | GS |
| South Korea | KR |
| South Sudan | SS |
| Spain | ES |
| Sri Lanka | LK |
| Sudan | SD |
| Suriname | SR |
| Svalbard and Jan Mayen | SJ |
| Sweden | SE |
| Switzerland | CH |
| Syrian Arab Republic | SY |
| Taiwan | TW |
| Tajikistan | TJ |
| Tanzania | TZ |
| Thailand | TH |
| Timor-Leste | TL |
| Togo | TG |
| Tokelau | TK |
| Tonga | TO |
| Trinidad and Tobago | TT |
| Tunisia | TN |
| Turkey | TR |
| Turkmenistan | TM |
| Turks and Caicos Islands | TC |
| Tuvalu | TV |
| Uganda | UG |
| Ukraine | UA |
| United Arab Emirates | AE |
| United Kingdom | GB |
| United Nations | UN |
| United States | US |
| United States Minor Outlying Islands | UM |
| United States Virgin Islands | VI |
| Uruguay | UY |
| Uzbekistan | UZ |
| Vanuatu | VU |
| Vatican City | VA |
| Venezuela | VE |
| Vietnam | VN |
| Wallis and Futuna | WF |
| Western Sahara | EH |
| Yemen | YE |
| Zambia | ZM |
| Zimbabwe | ZW |
## Additional Holiday Calendars
Amazon Forecast also supports holidays for India, Korea, and United Arab Emirates. Their holidays are listed below.
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#### [ India - "IN" ]
January 26 - Republic Day
August 15 - Independence Day
October 2 - Gandhi Jayanti
------
#### [ Korea - "KR" ]
January 1 - New Year
March 1 - Independence Movement Day
May 5 - Children's Day
June 6 - Memorial Day
August 15 - Liberation Day
October 3 - National Foundation Day
October 9 - Hangul Day
December 25 - Christmas Day
------
#### [ United Arab Emirates - "AE" ]
January 1 - New Year
December 1 - Commemoration Day
December 2-3 - National Day
Ramadan\$1
Eid al-Fitr\$1
Eid al-Adha\$1
Islamic New Year\$1
\$1Islamic Holidays are determined by lunar cycles.
------