| 1/1/1957, Tue | New Year's Day |
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| 1/7/1957, Mon | Epiphany Obs: Actual Observance Day |
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| 3/25/1957, Mon | St. Joseph's Day Obs: Actual Observance Day |
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| 4/14/1957, Sun | Palm Sunday |
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| 4/18/1957, Thu | Maundy Thursday |
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| 4/19/1957, Fri | Good Friday |
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| 4/20/1957, Sat | Holy Saturday |
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| 4/21/1957, Sun | Easter |
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| 5/1/1957, Wed | Labor Day |
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| 6/3/1957, Mon | Ascension Obs: Actual Observance Day |
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| 6/24/1957, Mon | Corpus Christi Obs: Actual Observance Day |
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| 7/1/1957, Mon | Sacred Heart Obs |
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| 7/1/1957, Mon | St. Peter-St. Paul Day Obs: Actual Observance Day |
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| 7/20/1957, Sat | Independence Day |
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| 8/7/1957, Wed | Battle of Boyaca |
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| 8/19/1957, Mon | Assumption Obs: Actual Observance Day |
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| 10/14/1957, Mon | Hispanity Day Obs: Actual Observance Day |
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| 11/4/1957, Mon | All Saints' Day Obs: Actual Observance Day |
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| 12/8/1957, Sun | Immaculate Conception |
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| 12/24/1957, Tue | Christmas Eve |
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| 12/25/1957, Wed | Christmas Day |
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| 12/31/1957, Tue | New Year's Eve |
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