January 1 | New Year’s Day | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC), Thornton Arts & Culture Center, Thornton Community Center, Active Adult Center |
January 18 |
Martin Luther King, Jr. Day | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC), Thornton Arts & Culture Center |
February 15 | Presidents' Day | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC) |
April 4
| Easter | Margaret W. Carpenter Recreation Center |
May 31 |
Memorial Day | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC), Thornton Arts & Culture Center, Thornton Community Center, Active Adult Center |
July 4 |
Independence Day |
Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC), Thornton Arts & Culture Center, Active Adult Center |
September 6 |
Labor Day |
Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC),
Margaret W. Carpenter Recreation Center, Thornton Arts & Culture Center, Thornton Community Center, Active Adult Center |
November 11 |
Veterans Day | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC), Thornton Arts & Culture Center |
November 25 |
Thanksgiving Day | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC),
Margaret W. Carpenter Recreation Center, Thornton Arts & Culture Center, Thornton Community Center, Active Adult Center |
November 26 |
Friday following Thanksgiving | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC), Thornton Arts & Culture Center, Active Adult Center |
December 25
| Christmas Day | Thornton City Hall, Thornton Municipal Court, Infrastructure Maintenance Center (IMC),
Margaret W. Carpenter Recreation Center, Thornton Arts & Culture Center, Thornton Community Center, Active Adult Center |