| New calendar | Monday, 18 January 2027 |
|---|---|
| Old calendar | Sunday, 31 January 2027 |
| Albanian | Monday, 18 January 2027 |
Spellings and nicknames
Atanasi, Athanase, Athanasia, Athanasios, Nasia, Nasos, Sakis, Thanas, Thanasakis, Thanasis, Thanassis, Thanos, Tom, Tommy, Αθανάσιος, Θάνος, Θανάσης, Θανασία, Θανασούλα, Νάσα