| |  | Office Hours & Holiday Schedule | 
|
| Monday - Friday; 8:00 am (0800) - 5:00 pm (1700) EST/EDT (1300-2200 GMT/UTC) |
| | | OGT is closed for business on the following days in 2012: | | |
| Date | Holiday | Day | | | | | | January 2nd | New Year's Day | Monday | | | | | | April 6th | Good Friday | Friday | | | | | | May 28th | Memorial Day | Monday | | | | | | July 4th | Independence Day | Wednesday | | | | | | September 3rd | Labor Day | Monday | | | | | | November 22nd | Thanksgiving Day | Thursday | | | | | | November 23rd | Second Day of Thanksgiving | Friday | | | | | | December 24th | Christmas Eve | Monday | | | | | | December 25th | Christmas Day | Tuesday | | | | | | December 26th | Second Day of Christmas (Boxing Day) | Wednesday | | | | |
|
| | | Please contact us on the next business day for service or support. |
|