| 1/1/1966, Sat | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 1/5/1966, Wed | Epiphany Eve / Three Kings Parade |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Three Kings Parade. Major Evening Processions
|
| 1/6/1966, Thu | Epiphany |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/19/1966, Sat | St. Joseph Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Big shopping day. Only Madrid and suburbs.
|
| 4/3/1966, Sun | Palm Sunday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/7/1966, Thu | Holy Thursday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/8/1966, Fri | Good Friday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/9/1966, Sat | Holy Saturday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/10/1966, Sun | Easter |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 5/2/1966, Mon | Community Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Madrid only
|
| 5/15/1966, Sun | Saint Isidoro |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Madrid only
|
| 8/15/1966, Mon | Assumption |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 10/12/1966, Wed | Columbus Day / Hispanity Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 11/1/1966, Tue | All Saints' Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- State Holiday
|
| 11/9/1966, Wed | Our Lady of Almudena Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Madrid only
|
| 12/6/1966, Tue | Constitution Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 12/8/1966, Thu | Immaculate Conception |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/24/1966, Sat | Christmas Eve |
- Banks Closed
- PM
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1966, Sun | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/31/1966, Sat | New Year's Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
|