The NETFILE service is available 21 hours a day, 7 days a week, between February 15, 2010, and September 30, 2010. This service is not available 24 hours a day due to daily maintenance activities.
| Time zone | 7 days a week |
| Pacific Time | 3:00 a.m. to midnight |
| Mountain Time | 4:00 a.m. to 1:00 a.m. |
| Central Time | 5:00 a.m. to 2:00 a.m. |
| Eastern Time | 6:00 a.m. to 3:00 a.m. |
| Atlantic Time | 7:00 a.m. to 4:00 a.m. |
| Newfoundland Time | 7:30 a.m. to 4:30 a.m. |
| Outside Canada and the US (Eastern Time) | 6:00 a.m. to 3:00 a.m. |