| Bulgarian | Saturday, 5 December 2026 (smaller feast) Sunday, 20 December 2026 (smaller feast) Saturday, 6 February 2027 Sunday, 5 December 2027 (smaller feast) |
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Spellings and nicknames
Svetoslav, Свето, Светослав, Слави
Yiorti
Svetoslav
Св. Фотий (светлина); Преп. Сава (imenidni.eu only); Игнажден (imenidni.eu only) [confirmed]