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Current time in Ottawa

Thursday, 16 July 2026

Ottawa, Canada · America/Toronto · UTC-04:00

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Time-zone identity for Ottawa

IANA zone
America/Toronto
UTC offset now
UTC-04:00
Current zone label
GMT-4
Clock-change status
An offset change was found in the next 370 days.

Ottawa is currently 4 hours behind UTC. The named zone, rather than the offset alone, should be used for future dates.

Next clock change in Ottawa

UTC-05:00UTC-05:00

This change comes from the IANA Time Zone Database. It is described as an offset change unless its daylight-saving purpose can be verified.

Weather now

Weather in Ottawa

Conditions near Ottawa and a 3-day forecast. Local conditions can differ across large urban areas, mountains and coastlines.

25°C

Sunny

Feels like
25°C
Humidity
34%
Wind
15.5 km/h NW
Recent precipitation
0 mm

3-day forecast

  1. Sunny17°C to 29°C3% chance of precipitationWind up to 30.6 km/h
  2. Sunny12°C to 24°C3% chance of precipitationWind up to 13.3 km/h
  3. Light rain shower13°C to 20°C88% chance of precipitationWind up to 15.1 km/h

Forecast valid from 19:00 local time. Updated 2026-07-16T23:11:47.997Z; refresh due by 2026-07-16T23:26:47.997Z.

Time-zone history

UTC offset changes for Ottawa

A bounded record of offset transitions calculated for America/Toronto, covering 2021 through 2031. Events are offset changes; their legal or daylight-saving cause is not inferred.

Previous 5 years

  1. UTC-04:00 UTC-04:00UTC offset decreased by
  2. UTC-05:00 UTC-05:00UTC offset decreased by
  3. UTC-04:00 UTC-04:00UTC offset decreased by
  4. UTC-05:00 UTC-05:00UTC offset decreased by
  5. UTC-04:00 UTC-04:00UTC offset decreased by
  6. UTC-05:00 UTC-05:00UTC offset decreased by
  7. UTC-04:00 UTC-04:00UTC offset decreased by
  8. UTC-05:00 UTC-05:00UTC offset decreased by
  9. UTC-04:00 UTC-04:00UTC offset decreased by
  10. UTC-05:00 UTC-05:00UTC offset decreased by

Next 5 years

  1. UTC-05:00 UTC-05:00UTC offset decreased by
  2. UTC-04:00 UTC-04:00UTC offset decreased by
  3. UTC-05:00 UTC-05:00UTC offset decreased by
  4. UTC-04:00 UTC-04:00UTC offset decreased by
  5. UTC-05:00 UTC-05:00UTC offset decreased by
  6. UTC-04:00 UTC-04:00UTC offset decreased by
  7. UTC-05:00 UTC-05:00UTC offset decreased by
  8. UTC-04:00 UTC-04:00UTC offset decreased by
  9. UTC-05:00 UTC-05:00UTC offset decreased by
  10. UTC-04:00 UTC-04:00UTC offset decreased by

Dates are calculated from IANA time-zone rules. The calculation checks for offset changes throughout the displayed period and resolves each change to the nearest second.

Sun and Moon today

Sun and Moon in Ottawa

Daily astronomical events for Thursday, 16 July 2026, expressed in America/Toronto local time. Polar-day or polar-night events may be unavailable on a particular date.

Sun

Sunrise
05:30
Sunset
20:47
Solar noon
13:09
Civil twilight
04:54–21:23

Moon

Moonrise
08:07
Moonset
22:21
Phase
Waxing Crescent
Illumination
7%

Capital city context

About Ottawa, capital of Canada

Ottawa is identified in the reviewed place record as the capital of Canada. This page combines its live local clock with geographic, time-zone, weather and astronomical context.

Capital status
Capital of Canada
Administrative area
Ontario, Canada
Population
1,017,449
Coordinates
45.4112° N, 75.6981° W. The elevation is 71 metres.

Country context

Canada at a glance

Country information for Canada. The listed time zones reflect cities available in this directory and may not include every territorial exception.

Capital
Ottawa is the listed capital.
Country codes
CA · CAN · 124
Population
37,058,856
Currency
Canadian Dollar (CAD)
Calling code
+1
Languages
English (Canada), French (Canada), and Inuktitut
Time zones represented
12 time zones are used by cities in this directory: America/Dawson_Creek, America/Edmonton, America/Glace_Bay, and America/Halifax, and 8 more.

Nearby city clocks

Cities near Ottawa

Nearby cities are ordered by approximate straight-line distance from Ottawa. Times are calculated for the same instant shown above.

Data and methodology

The current time is calculated for America/Toronto when the page loads. The offset history covers five years before and after today using IANA time-zone data version 2026b. Future changes are hidden when a newer published rule is not yet available to the calculator. GeoNames ID 6094817 supplies the location and coordinates; nearby distances are straight-line estimates.

Place data 2026-07-15_01-57-51-849; time calculated 2026-07-16T23:11:47.974Z; IANA time-zone data 2026b; weather retrieved 2026-07-16T23:11:47.997Z; astronomy retrieved 2026-07-16T21:26:55.867Z

View calculation details and sources
  • GeoNames cities15000
    GeoNames · version 2026-07-15_01-57-51-849 · CC BY 4.0 · accessed
    Place and country names, administrative areas, coordinates, population, capital, codes, currency, calling codes and languages.
  • IANA Time Zone Database
    Internet Assigned Numbers Authority · version 2026b · Public domain · accessed
    Time-zone names, UTC offsets and clock changes.
  • Unicode Common Locale Data Repository
    Unicode Consortium · version 48.0 · Unicode License v3 · accessed
    English display names for countries, currencies and languages.
  • Complete Sun and Moon Data for One Day
    United States Naval Observatory · version API 4.0.1 · U.S. Government work · accessed
    Daily sunrise, sunset, civil twilight, solar transit, moonrise, moonset, phase and illumination.
  • Weather and Geolocation API
    WeatherAPI.com · version Forecast API v1; free plan · WeatherAPI.com terms; commercial and non-commercial use permitted by plan · accessed
    Current weather conditions, the next 24 hours and a three-day forecast.