| 1/1/1958, Wed | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 2/17/1958, Mon | Carnival |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 2/18/1958, Tue | Carnival |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/24/1958, Mon | 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.
|
| 3/30/1958, Sun | Palm Sunday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/2/1958, Wed | Malvinas Islands Memorial |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 4/4/1958, Fri | Passover - 1st 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/4/1958, Fri | Good Friday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/5/1958, Sat | Passover - 1st 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/6/1958, Sun | Easter |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/10/1958, Thu | Passover - Last 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 4/11/1958, Fri | Passover - Last 2 days |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 5/1/1958, Thu | Labor Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/2/1958, Fri | Labor Day: Additional Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/25/1958, Sun | Anniversary of Revolution |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 6/20/1958, Fri | National Flag Day/General Manual Belgrano's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- LRB8 Original holiday was on 6/20.
|
| 7/9/1958, Wed | Independence Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 8/18/1958, Mon | General San Martin's Day Obs |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 9/15/1958, Mon | Rosh Hashanah Begins |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 9/16/1958, Tue | Rosh Hashanah Begins |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 9/24/1958, Wed | Yom Kippur |
- Religion
- Jewish
- Disrespectful to Hold an Event
- –
- Note
- Holiday only for Jewish population
|
| 10/13/1958, Mon | Day of Respect for Cultural Diversity Obs: Actual Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 11/24/1958, Mon | Day of National Sovereignty Obs: Actual Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Holiday Rule Applies.
|
| 12/8/1958, Mon | Immaculate Conception |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/24/1958, Wed | Christmas Eve |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1958, Thu | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/26/1958, Fri | Christmas Day: Additional Observance Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/31/1958, Wed | New Year's Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
|