In accordance with NMSA 1978, Section 10-9-13 and State Personnel Board (SPB) Rule NMAC 1.7.6.9, the following are dates in which legal holidays prescribed in NMSA 1978, 12-5-2 are observed by state government agencies covered by the Personnel Act and SPB Rules and Regulations during calendar year 2011, as amended, adopted and observed by the City of Belen.
These are the dates that all city services and facilities are closed:
| New Year's Day | observed on January 2, 2012 |
| Martin Luther King Jr. Birthday | observed on January 16, 2012 |
| Spring Holiday | observed on April 6, 2012 |
| Memorial Day | observed on May 28, 2012 |
| Independence Day | observed on July 4, 2012 |
| Labor Day | observed on September 3, 2012 |
| Columbus Day | observed on December 24 2012 |
| Veteran's Day | observed on November 12, 2012 |
| Thanksgiving Day | observed on November 22, 2012 |
| President's Day | observed on November 23, 2012 |
| Christmas Day | observed on December 25 2012 |