Current Local Time in Ottawa
Canada America/Toronto EDT UTC-4 Daylight saving time
7:29:46 AM
Sunday, August 2, 2026
Daytime UTC-4 (-04:00)
Static values shown for ; your browser updates them to the current second.
UTC offset now
UTC-4
UTC-5 standard / UTC-4 summer
Abbreviation
EDT
EST / EDT
Daylight saving
Daylight saving time
Next change November 1, 2026
IANA time zone
America/Toronto
Canada · North America
Ottawa time zone
Ottawa moves its clocks twice a year, so no single offset describes it. It runs UTC-5 as EST in winter and UTC-4 as EDT in summer. In 2026 the switch to EDT happens on March 8, 2026 and the return to EST on November 1, 2026.
- IANA time zone
- America/Toronto
- Offset in standard time
- UTC-5 (EST)
- Offset in daylight saving time
- UTC-4 (EDT)
- Daylight saving starts (2026)
- March 8, 2026 at 03:00
- Daylight saving ends (2026)
- November 1, 2026 at 01:00
- Most recent clock change
- March 8, 2026 — clocks go forward 1 hour, from 02:00 EST to 03:00 EDT
- Next clock change
- November 1, 2026 — clocks go back 1 hour, from 02:00 EDT to 01:00 EST
- When it is 12:00 UTC
- 7:00 AM in January · 8:00 AM in July
Clock changes in Ottawa, 2026–2028
Full record for Ottawa → ten years back and ten forward, with each year's DST window.
| Date | Change | Local time | Offset after | Then called |
|---|---|---|---|---|
| March 8, 2026 | Forward 60 min | 01:59 → 03:00 | UTC-04:00 | EDT (DST) |
| November 1, 2026 | Back 60 min | 01:59 → 01:00 | UTC-05:00 | EST (standard) |
| March 14, 2027 | Forward 60 min | 01:59 → 03:00 | UTC-04:00 | EDT (DST) |
| November 7, 2027 | Back 60 min | 01:59 → 01:00 | UTC-05:00 | EST (standard) |
| March 12, 2028 | Forward 60 min | 01:59 → 03:00 | UTC-04:00 | EDT (DST) |
| November 5, 2028 | Back 60 min | 01:59 → 01:00 | UTC-05:00 | EST (standard) |
Sun and moon in Ottawa
Computed for 45.4215°, -75.6972° on August 2, 2026.
Sunrise
5:48 AM
Sunset
8:29 PM
Day length
14h 41m
−2m 28s vs yesterday
Solar noon
1:09 PM
Sun at its highest
| Phase | Morning | Evening | Sun's altitude |
|---|---|---|---|
| Astronomical twilight | 3:42 AM | 10:35 PM | −18° to −12° |
| Nautical twilight | 4:31 AM | 9:46 PM | −12° to −6° |
| Civil twilight | 5:14 AM | 9:03 PM | −6° to −0.833° |
| Sunrise / sunset | 5:48 AM | 8:29 PM | −0.833° (upper limb at the horizon) |
Across 2026, daylight in Ottawa runs from about 8h 43m at the shortest day to 15h 40m at the longest.
Moon
Waning gibbous
80% illuminated · 19.1 days into the cycle · waning
- Moonrise
- 10:08 PM
- Moonset
- 10:03 AM
- Next full moon
- Aug 28, 12:19 AM
- Next new moon
- Aug 12, 1:38 PM
Sun and moon figures are computed locally from standard astronomical series (NOAA solar equations and Meeus' lunar terms) — accurate to about a minute at mid latitudes, and less near the poles where the sun crosses the horizon at a shallow angle.
Weather in Ottawa
Loading current weather for Ottawa.
Current weather for Ottawa is unavailable right now. Everything else on this page — local time, time zone rules, sunrise and sunset — is computed locally and unaffected.
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Feels like
- Today's high / low
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- Humidity
- —
- Wind
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- Tomorrow
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Measured · source Open-Meteo · cached for 30 minutes
Time difference between Ottawa and other cities
Differences are computed from each city's own zone rules, so pairs whose clocks change on different dates show more than one value across the year.
| City | Local time | Difference | Across the year |
|---|---|---|---|
| New York United States | 7:29 AM | ±0h | Fixed all year |
| Sao Paulo Brazil | 8:29 AM | +1h | Varies: +1h / +2h |
| London United Kingdom | 12:29 PM | +5h | Varies: +5h / +4h |
| Tel Aviv Israel | 2:29 PM | +7h | Varies: +7h / +6h |
| Cairo Egypt | 2:29 PM | +7h | Varies: +7h / +6h |
| Mumbai India | 4:59 PM | +9:30h | Varies: +9:30h / +10:30h |
| Sydney Australia | 9:29 PM | +14h | Varies: +14h / +16h / +15h |
| Los Angeles United States | 4:29 AM | −3h | Varies: −3h / −4h / −2h |
Ottawa at a glance
- Country
- Canada
- Region
- North America
- Coordinates
- 45.4215° N, 75.6972° W
- IANA time zone
- America/Toronto
- Currency
- CAD
- Language
- English / French
- Usual clock notation
- 12-hour
Only fields we can source are listed; nothing on this page is estimated. Sources are in data sources .
Häufige Fragen
What time is it in Ottawa right now?
The clock at the top of this page shows the current local time in Ottawa, Canada, updated every second from your device's clock and converted with the America/Toronto time zone rules. Ottawa currently runs at UTC-4 (EDT), and switches between UTC-5 and UTC-4 across the year.
What time zone is Ottawa in?
The IANA identifier for Ottawa is America/Toronto. Its abbreviation is EST in standard time and EDT while daylight saving time is in force.
What is the UTC offset in Ottawa?
Ottawa has two offsets. It runs at UTC-5 during standard time and at UTC-4 during daylight saving time, which is why a single fixed offset for Ottawa is always wrong for part of the year. In 2026 the daylight saving period runs from March 8, 2026 to November 1, 2026.
Does Ottawa observe daylight saving time?
Yes. Ottawa changes its clocks twice in 2026: March 8, 2026 — clocks go forward 1 hour, from 02:00 EST to 03:00 EDT; November 1, 2026 — clocks go back 1 hour, from 02:00 EDT to 01:00 EST. Time differences with other places therefore shift during the year.
What is the time difference between Ottawa and New York?
Ottawa and New York sit in different time zones (America/Toronto and America/New_York) but read the same clock all year, because their offsets happen to match.
What is the time difference between Ottawa and Sao Paulo?
For most of 2026, Sao Paulo is 1 hour ahead of Ottawa. Because the two places change their clocks on different dates, the gap is 2 hours (Sao Paulo ahead of Ottawa) from December 31 – March 8 and November 1 – December 31.
What is the time difference between Ottawa and London?
For most of 2026, London is 5 hours ahead of Ottawa. Because the two places change their clocks on different dates, the gap is 4 hours (London ahead of Ottawa) from March 8 – March 28 and October 24 – November 1.
How long is the day in Ottawa?
Day length in Ottawa ranges from about 8h 43m at the shortest day of 2026 to about 15h 40m at the longest. The sunrise and sunset section on this page shows today's figures for latitude 45.42°, longitude -75.70°.