Hidirellez is held on May 6. Turkey, Azerbaijan, is also celebrated in other Turkic-speaking countries as the day on which the prophets Khidr (al-Khidr) and Ilyas (Ilya) met on earth. This event in the first decade of the month may is annual.
Mother’s Day on May 9 (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, Germany, Gabon, Gambia, Greenland, Ghana, Greece, 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);
Memory of the dedication of Constantinople in Turkey on May 11 (in 330 Constantinople was the capital of the Eastern Roman Empire);
Eid al-Fitr on May 12 (also called the "Festival of Breaking the Fast", is a religious holiday celebrated by Muslims worldwide that marks the end of Ramadan);
Commemoration of Atatürk, Youth and Sports Day on May 19 (Turkey, Northern Cyprus);
Day of employees of the Ministry of Ecology and Natural Resources in Azerbaijan on May 23 (and the celebration of the Annunciation of the Bab)