Yiorti| New calendar | Tuesday, 29 June 2027 |
|---|---|
| Old calendar | Monday, 12 July 2027 |
| Armenian | Monday, 28 December 2026 Saturday, 26 June 2027 (smaller feast) Monday, 27 December 2027 |
| Bulgarian | Tuesday, 29 June 2027 |
| Romanian | Tuesday, 29 June 2027 |
| Albanian | Tuesday, 29 June 2027 |
| Ethiopian | Monday, 12 July 2027 |
Spellings and nicknames
Pedro, Peetero, Petar, Pete, Peter, Petero, Petr, Petre, Petrica, Petrică, Petrina, Petrisor, Petrișor, Petro, Petros, Petroula, Petru, Petrut, Petruț, Petur, Pierre, Πέτρος, Πετρία, Пепи, Петър, Петьо, Пецата, Пешо, Պետրոս, ጴጥሮስ