| 1/1/1978, Sun | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 2/6/1978, Mon | Carnival |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 2/7/1978, Tue | Carnival |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/19/1978, Sun | Palm Sunday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/24/1978, Fri | National Day of Memory for Truth and Justice |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- New holiday to celebrate the end of human rights violations in Argentina.
|
| 3/24/1978, Fri | Good Friday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/26/1978, Sun | Easter |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/2/1978, Sun | Malvinas Islands Memorial |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 4/21/1978, Fri | Passover - 1st 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/22/1978, Sat | Passover - 1st 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/27/1978, Thu | Passover - Last 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/28/1978, Fri | Passover - Last 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 5/1/1978, Mon | Labor Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/25/1978, Thu | Anniversary of Revolution |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/26/1978, Fri | Anniversary of Revolution: Additional Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 6/19/1978, Mon | National Flag Day/General Manual Belgrano's Day: Additional Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- LRB8 Original holiday was on 6/20.
|
| 6/20/1978, Tue | National Flag Day/General Manual Belgrano's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- LRB8 Original holiday was on 6/20.
|
| 7/9/1978, Sun | Independence Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 8/21/1978, Mon | General San Martin's Day Obs |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 10/2/1978, Mon | Rosh Hashanah Begins |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 10/3/1978, Tue | Rosh Hashanah Begins |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 10/9/1978, Mon | Day of Respect for Cultural Diversity Obs: Actual Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 10/11/1978, Wed | Yom Kippur |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 11/20/1978, Mon | Day of National Sovereignty Obs |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 12/8/1978, Fri | Immaculate Conception |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/24/1978, Sun | Christmas Eve |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1978, Mon | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/31/1978, Sun | New Year's Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
|