GRU's customer service/business offices will be closed on the following days: 2016 Holiday Observance Date(s) New Year's Day Friday, Jan. 1, 2016 Martin Luther King Jr. Day Monday, Jan. 18, 2016 Memorial Day Monday, May 30, 2016 Independence Day Monday, July 4, 2016 Labor Day Monday, Sept. 5, 2016 Veteran's Day Friday, Nov. 11, 2016 Thanksgiving Day Thursday. Nov. 24, 2016 Day after Thanksgiving Friday, Nov. 25, 2016 Additional Holiday Friday, Dec. 23, 2016 Christmas Day Holiday Monday, Dec. 26, 2016 2017 Holiday Observance Date(s) New Year's Day Holiday Monday, Jan. 2, 2017 Martin Luther King Jr. Day Monday, Jan. 16, 2017 Memorial Day Monday, May 29, 2017 Independence Day Tuesday, July 4, 2017 Labor Day Monday, Sept. 4, 2017 Veterans' Day Friday, Nov. 10, 2017 Thanksgiving Day Thursday, Nov. 23, 2017 Day after Thanksgiving Friday, Nov. 24, 2017 Christmas Day Monday, Dec. 25, 2017 Additional Holiday Tuesday, Dec. 26, 2017