| 1/1/1990, Mon | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 2/26/1990, Mon | Carnival |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 2/27/1990, Tue | Carnival |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/24/1990, Sat | 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.
|
| 4/2/1990, Mon | Malvinas Islands Memorial |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 4/8/1990, Sun | Palm Sunday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/9/1990, Mon | Passover - 1st 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/10/1990, Tue | Passover - 1st 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/13/1990, Fri | Good Friday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/15/1990, Sun | Easter |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/15/1990, Sun | Passover - Last 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/16/1990, Mon | Passover - Last 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/30/1990, Mon | Labor Day: Additional Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/1/1990, Tue | Labor Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/25/1990, Fri | Anniversary of Revolution |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 6/20/1990, Wed | National Flag Day/General Manual Belgrano's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- LRB8 Original holiday was on 6/20.
|
| 7/9/1990, Mon | Independence Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 8/20/1990, Mon | General San Martin's Day Obs |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 9/20/1990, Thu | Rosh Hashanah Begins |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 9/21/1990, Fri | Rosh Hashanah Begins |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 9/29/1990, Sat | Yom Kippur |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 10/8/1990, Mon | Day of Respect for Cultural Diversity Obs: Actual Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 11/26/1990, Mon | Day of National Sovereignty Obs: Actual Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 12/8/1990, Sat | Immaculate Conception |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/24/1990, Mon | Christmas Eve |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/24/1990, Mon | Christmas Day: Additional Observance Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1990, Tue | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/31/1990, Mon | New Year's Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
|