666 days are left until December 21, 2026
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 21 Dec | Monday | December Solstice | Andorra , United Arab Emirates , Afghanistan , Antigua and Barbuda , Anguilla , Albania , Armenia , Angola , Antartica , Argentina , American Samoa , Austria , Australia , Aruba , Åland Islands , Azerbaijan , Bosnia and Herzegovina , Barbados , Bangladesh , Belgium , Burkina Faso , Bulgaria , Bahrain , Burundi , Benin , Saint Barthélemy , Bermuda , Brunei Darussalam , Bolivia , Caribbean Netherlands , Brazil , Bahamas , Bhutan , Bouvet Island , Botswana , Belarus , Belize , Canada , Cocos (Keeling) Islands , Democratic Republic of the Congo , Central African Republic , Republic of the Congo , Switzerland , Ivory Coast , Cook Islands , Chile , Cameroon , China , Colombia , Costa Rica , Cuba , Cape Verde , Curaçao , Christmas Island , Cyprus , Czechia , Germany , Djibouti , Denmark , Dominica , Dominican Republic , Algeria , Ecuador , Estonia , Egypt , Western Sahara , Eritrea , Spain , Ethiopia , Finland , Fiji , Falkland Islands , Micronesia , Faroe Islands , France , Gabon , United Kingdom , Grenada , Georgia , French Guiana , Guernsey , Ghana , Gibraltar , Greenland , Gambia , Guinea , Guadeloupe , Equatorial Guinea , Greece , South Georgia and the South Sandwich Islands , Guatemala , Guam , Guinea-Bissau , Guyana , Hong Kong , Heard Island and McDonald Islands , Honduras , Croatia , Haiti , Hungary , Indonesia , Ireland , Isle of Man , India , British Indian Ocean Territory , Iraq , Iran , Iceland , Italy , Jersey , Jamaica , Jordan , Kenya , Kyrgyzstan , Cambodia , Kiribati , Comoros , Saint Kitts and Nevis , North Korea , South Korea , Kuwait , Cayman Islands , Kazakhstan , Laos , Lebanon , Saint Lucia , Liechtenstein , Sri Lanka , Liberia , Lesotho , Lithuania , Luxembourg , Latvia , Libya , Morocco , Monaco , Moldova , Montenegro , Saint Martin , Madagascar , Marshall Islands , North Macedonia , Mali , Myanmar , Mongolia , Macao , Northern Mariana Islands , Martinique , Mauritania , Montserrat , Malta , Mauritius , Maldives , Malawi , Mexico , Mozambique , Namibia , New Caledonia , Niger , Norfolk Island , Nigeria , Nicaragua , Netherlands , Norway , Nepal , Nauru , Niue , New Zealand , Oman , Panama , Peru , French Polynesia , Papua New Guinea , Philippines , Pakistan , Poland , Saint Pierre and Miquelon , Pitcairn Islands , Puerto Rico , Palestine , Portugal , Palau , Paraguay , Qatar , Réunion , Romania , Serbia , Russian Federation , Rwanda , Saudi Arabia , Solomon Islands , Seychelles , Sudan , Sweden , Singapore , Saint Helena, Ascension and Tristan da Cunha , Slovenia , Svalbard and Jan Mayen , Slovakia , Sierra Leone , San Marino , Senegal , Somalia , Suriname , South Sudan , Sao Tome and Principe , El Salvador , Sint Maarten , Syrian Arab Republic , Eswatini , Turks and Caicos Islands , Chad , French Southern Territories , Togo , Thailand , Tajikistan , Tokelau , Timor-Leste , Turkmenistan , Tunisia , Tonga , Turkey , Trinidad and Tobago , Tuvalu , Tanzania , Ukraine , Uganda , United States Minor Outlying Islands , United States , Uruguay , Uzbekistan , Vatican City , Saint Vincent and the Grenadines , Venezuela , British Virgin Islands , United States Virgin Islands , Vietnam , Vanuatu , Wallis and Futuna , Samoa , Kosovo , Yemen , Mayotte , South Africa , Zambia , Zimbabwe | Non Public |
| 21 Dec | Monday | Turkish Language Education Day | North Macedonia | Non Public |
| 21 Dec | Monday | Winter Solstice | Macao | Public |
| 21 Dec | Monday | Sixth Day of Las Posadas | Mexico | Non Public |
| 21 Dec | Monday | Incwala Day | Eswatini | Public |
| 21 Dec | Monday | Blue Christmas | United States | Other |
| 21 Dec | Monday | Yule | Åland Islands , Germany , Denmark , Estonia , Finland , Faroe Islands , United Kingdom , Greenland , Ireland , Isle of Man , Iceland , Lithuania , Latvia , Norway , Sweden | Other |