Yiorti| New calendar | Thursday, 7 January 2027 |
|---|---|
| Old calendar | Wednesday, 20 January 2027 |
| Bulgarian | Thursday, 7 January 2027 |
| Romanian | Thursday, 7 January 2027 |
| Albanian | Thursday, 7 January 2027 Sunday, 26 September 2027 (smaller feast) |
Spellings and nicknames
Gianna, Ioanna, Ionela, Ionelia, Ionuta, Ionuța, Jane, Janina, Jeanne, Jo, Joan, Joanna, Joanne, Juana, Nela, Oana, Onuta, Onuța, Yianna, Βάνα, Βάννα, Γιάννα, Γιανγκούλα, Γιαννούλα, Ιβάνα, Ιωάννα, Йоана, Йоанка, Йоли