| 1/1/2004, Thu | New Year's Day |
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| 1/12/2004, Mon | Epiphany Obs: Actual Observance Day |
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| 3/22/2004, Mon | St. Joseph's Day Obs: Actual Observance Day |
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| 4/4/2004, Sun | Palm Sunday |
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| 4/8/2004, Thu | Maundy Thursday |
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| 4/9/2004, Fri | Good Friday |
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| 4/10/2004, Sat | Holy Saturday |
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| 4/11/2004, Sun | Easter |
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| 5/1/2004, Sat | Labor Day |
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| 5/24/2004, Mon | Ascension Obs: Actual Observance Day |
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| 6/14/2004, Mon | Corpus Christi Obs: Actual Observance Day |
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| 6/21/2004, Mon | Sacred Heart Obs |
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| 7/5/2004, Mon | St. Peter-St. Paul Day Obs: Actual Observance Day |
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| 7/20/2004, Tue | Independence Day |
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| 8/7/2004, Sat | Battle of Boyaca |
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| 8/16/2004, Mon | Assumption Obs: Actual Observance Day |
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| 10/18/2004, Mon | Hispanity Day Obs: Actual Observance Day |
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| 11/1/2004, Mon | All Saints' Day Obs |
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| 12/8/2004, Wed | Immaculate Conception |
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| 12/24/2004, Fri | Christmas Eve |
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| 12/25/2004, Sat | Christmas Day |
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| 12/31/2004, Fri | New Year's Eve |
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