In Bulgaria Saints Cyril and Methodius Day is celebrated on 24 May and is known as the "Bulgarian Education and Culture, and
Slavonic Literature Day" (Bulgarian: Ден на българската просвета и култура и на славянската писменост), a national holiday celebrating
Bulgarian culture and
literature as well as the alphabet. It is also known as "Alphabet, Culture, and Education Day" (Bulgarian: Ден на азбуката, културата и просвещението).
In the Republic of Macedonia, it is also celebrated on 24 May and is known as the "Saints Cyril and Methodius, Slavonic Enlighteners' Day" (Macedonian: Св. Кирил и Методиј, Ден на словенските просветители), a national holiday.
In Russia, this holiday is known as the "Slavonic Literature and Culture Day" (Russian: День славянской письменности и культуры), celebrating Slavonic culture and literature as well as the alphabet. Its celebration is ecclesiastical (11 May on the Church's Julian calendar), and it is not a public holiday in Russia.
Saints Cyril and Methodius Day is celebrated on 24 May in Russia, Bulgaria and Macedonia. 
