Mother's Days of Many Countries :
https://en.wikipedia.org/wiki/Mother%27s_Day
* Second Sunday of February
Feb 14, 2021
Feb 13, 2022
Norway
* 3 March
Georgia
* 8 March (International Women's Day)
Albania
Armenia
Azerbaijan
Belarus
Bosnia and Herzegovina
Bulgaria
Burundi
Burkina Faso
Kazakhstan
Kosovo
Laos
Moldova
Montenegro
North Macedonia
Russia
Serbia
Tajikistan
Uzbekistan
Vietnam
* Fourth Sunday
14 Mar 2021
27 Mar 2022
Guernsey
Ireland
Isle of Man
Jersey
Nigeria
United Kingdom
* 21 March
Bahrain
Comoros
Djibouti
Egypt
Iraq
Jordan
Kuwait
Libya
Lebanon
Mauritania
Oman
Palestine
Qatar
Saudi Arabia
Somalia
Sudan
Syria
United Arab Emirates
Yemen
* 25 March
Slovenia
* 7 April
Armenia
* First Sunday of May
May 2, 2021
May 1, 2022
Angola
Cape Verde
Hungary
Lithuania
Mozambique
Romania
Portugal
São Tomé and Príncipe
Spain
* 8 May
South Korea
* 10 May
El Salvador
Guatemala
Mexico
* Second Sunday of May
May 9, 2021
May 8, 2022
May 14, 2023
Anguilla
Antigua and Barbuda
Aruba
Australia
Austria
Bahamas
Bangladesh
Barbados
Belgium
Belize
Bermuda
Bhutan
Bonaire
Botswana
Brazil
Brunei
Canada
Cambodia
Cayman Islands
Central African Republic
Chad
Chile
China
Colombia
Congo, Dem. Rep.
Congo, Rep.
Cote d'Ivoire
Croatia
Cuba
Curaçao
Cyprus
Czech Republic
Denmark
Dominica
Ecuador
Equatorial Guinea
Estonia
Ethiopia
Faroe Islands
Fiji
Finland
Gabon
Gambia
Germany
Ghana
Greece
Greenland
Grenada
Guyana
Honduras
Hong Kong
Iceland
India
Italy
Jamaica
Japan
Kenya
Latvia
Liberia
Liechtenstein
Macau
Malaysia
Malta
Myanmar
Namibia
Netherlands
New Zealand
Pakistan
Papua New Guinea
Peru
Philippines
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines
Samoa
Singapore
Sint Maarten
Slovakia
South Africa
Sri Lanka
Suriname
Switzerland
Taiwan
Tanzania
Tonga
Trinidad and Tobago
Turkey
Uganda
Ukraine
United States
Uruguay
Vietnam
Venezuela
Zambia
Zimbabwe
* 14 May
Benin
* 15 May
Paraguay
* 19 May
Kyrgyzstan
* 22 May
Israel (new)
* 26 May
Poland
* 27 May
Bolivia
* Last Sunday of May (sometimes First Sunday of June if the last Sunday of May is Pentecost)
May 30, 2021
May 29, 2022
Algeria
Cameroon
Dominican Republic
France
Haiti
Madagascar
Mali
Mauritius
Morocco
Niger
Senegal
Sweden
Tunisia
* 30 May
Nicaragua
* 1 June
Mongolia
* Second Sunday of June
Jun 13, 2021
Jun 12, 2022
Luxembourg
* 14 June
Afghanistan
* First Monday of July
Jul 5, 2021
Jul 4, 2022
South Sudan
* 12 August
Thailand
* 15 August
Antwerp (Belgium)
Costa Rica
* 14 October
Belarus
* 15 October
Malawi
* 20 October
Vietnam
* Third Sunday of October
Oct 17, 2021
Oct 16, 2022
Argentina
* 3 November
Timor Leste
* 16 November
North Korea
* Last Sunday of November
Russia
* 8 December
Panama
* 22 December
Indonesia
...