Ottawa Time vs United States Washington D.C. Time
United States is 0-6 Hours Ahead of Ottawa
Ottawa
Washington D.C.
All United States Time Zones vs Ottawa
| Time Zone | City | Current Time | vs Ottawa |
|---|---|---|---|
| Eastern Time | Eastern Time | --:-- | No diff |
| Central Time | Central Time | --:-- | -1h |
| Mountain Time | Mountain Time | --:-- | -2h |
| Pacific Time | Pacific Time | --:-- | -3h |
| Alaska Time | Alaska Time | --:-- | -4h |
| Hawaii Time | Hawaii Time | --:-- | -6h |
Timezone Converter Slider
Drag the slider to compare times at any hour
24-Hour Conversion Table
Ottawa time vs United States time, hour by hour (green = working hours)
| Ottawa | Eastern Time | Central Time | Mountain Time | Pacific Time | Alaska Time | Hawaii Time |
|---|---|---|---|---|---|---|
| 00:00 | 00:00 | 23:00 | 22:00 | 21:00 | 20:00 | 18:00 |
| 01:00 | 01:00 | 00:00 | 23:00 | 22:00 | 21:00 | 19:00 |
| 02:00 | 02:00 | 01:00 | 00:00 | 23:00 | 22:00 | 20:00 |
| 03:00 | 03:00 | 02:00 | 01:00 | 00:00 | 23:00 | 21:00 |
| 04:00 | 04:00 | 03:00 | 02:00 | 01:00 | 00:00 | 22:00 |
| 05:00 | 05:00 | 04:00 | 03:00 | 02:00 | 01:00 | 23:00 |
| 06:00 | 06:00 | 05:00 | 04:00 | 03:00 | 02:00 | 00:00 |
| 07:00 | 07:00 | 06:00 | 05:00 | 04:00 | 03:00 | 01:00 |
| 08:00 | 08:00 | 07:00 | 06:00 | 05:00 | 04:00 | 02:00 |
| 09:00 | 09:00 | 08:00 | 07:00 | 06:00 | 05:00 | 03:00 |
| 10:00 | 10:00 | 09:00 | 08:00 | 07:00 | 06:00 | 04:00 |
| 11:00 | 11:00 | 10:00 | 09:00 | 08:00 | 07:00 | 05:00 |
| 12:00 | 12:00 | 11:00 | 10:00 | 09:00 | 08:00 | 06:00 |
| 13:00 | 13:00 | 12:00 | 11:00 | 10:00 | 09:00 | 07:00 |
| 14:00 | 14:00 | 13:00 | 12:00 | 11:00 | 10:00 | 08:00 |
| 15:00 | 15:00 | 14:00 | 13:00 | 12:00 | 11:00 | 09:00 |
| 16:00 | 16:00 | 15:00 | 14:00 | 13:00 | 12:00 | 10:00 |
| 17:00 | 17:00 | 16:00 | 15:00 | 14:00 | 13:00 | 11:00 |
| 18:00 | 18:00 | 17:00 | 16:00 | 15:00 | 14:00 | 12:00 |
| 19:00 | 19:00 | 18:00 | 17:00 | 16:00 | 15:00 | 13:00 |
| 20:00 | 20:00 | 19:00 | 18:00 | 17:00 | 16:00 | 14:00 |
| 21:00 | 21:00 | 20:00 | 19:00 | 18:00 | 17:00 | 15:00 |
| 22:00 | 22:00 | 21:00 | 20:00 | 19:00 | 18:00 | 16:00 |
| 23:00 | 23:00 | 22:00 | 21:00 | 20:00 | 19:00 | 17:00 |
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Canada vs United States Time Difference FAQ
1. Is United States time ahead or behind Canada?
United States is 0-6 Hours Ahead of Canada (Ottawa). United States spans 6 time zones, so the exact difference varies by region.
2. How many time zones does United States have?
United States spans 6 time zones. The multi-timezone table on this page shows the time difference between each zone and Ottawa.
3. When it's 9 AM in Ottawa, what time is it in Washington D.C.?
9:00 AM in Ottawa corresponds to 09:00 in Washington D.C..
4. Does United States observe Daylight Saving Time?
Our time system is synchronized with the IANA timezone database in real time. If United States currently observes DST, all clocks and conversions on this page adjust automatically.
5. Does the time difference between Canada and United States change due to Daylight Saving Time?
Yes. If one country observes DST and the other does not, or if their DST dates differ, the offset will change during the year. Our page automatically handles this using the latest database.
6. What is the best time for a meeting between Canada and United States?
Ottawa time 9:00 to 18:00 is the best window when both sides are within working hours.
7. How can I quickly convert time between Canada and United States?
Use the interactive timezone slider on this page to compare times at any hour. You can also refer to the 24-hour comparison table below for a quick hour-by-hour reference.
