| 1/1/1931, Thu | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 1/6/1931, Tue | Epiphany |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 2/23/1931, Mon | Shrove Monday (Orthodox) |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/25/1931, Wed | Independence Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Military Parade
|
| 4/5/1931, Sun | Palm Sunday (Orthodox) |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/10/1931, Fri | Good Friday (Orthodox) |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/12/1931, Sun | Easter Sunday (Orthodox) |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/13/1931, Mon | Easter Monday (Orthodox) |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/14/1931, Tue | Easter Tuesday (Orthodox) |
- Businesses Closed
- PM
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- shops open 1/2 day, according to agent
|
| 5/1/1931, Fri | Labor Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/31/1931, Sun | Whit Sunday (Orthodox) |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 6/1/1931, Mon | Whit Monday (Orthodox) |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 8/15/1931, Sat | Assumption / Maria's Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 10/28/1931, Wed | Commemoration Day / Ochi Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Military Parade
|
| 11/17/1931, Tue | Anniversary of Student Uprising |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- School and University Holiday. Processions. Potential for violence.
|
| 12/4/1931, Fri | St. Barbara's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Military Patron Saint, Military Parades
|
| 12/24/1931, Thu | Christmas Eve |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1931, Fri | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/26/1931, Sat | Boxing Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 12/31/1931, Thu | New Year's Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
|