Current Time in Ottawa, Illinois, USA
3:55:09 PM
15:55:09
CDT (Central Daylight Time) · UTC−05:00
America/Chicago
Time zone details
Ottawa is observing daylight saving time in 2026
Daylight in Ottawa
Location facts
Place
- Country
- USA
- State
- Illinois
- County
- LaSalle County
- Place type
- City or town
- Country currency
- US Dollar (USD)
Practical
- Country languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 18,342
- Elevation
- 147 m
Geography
- Geographic coordinates
- 41° 20' N / 88° 50' W
Convert Ottawa time
Compare Ottawa with another city or time zone
Ottawa follows the same clock and daylight-saving rules as Chicago
Popular conversions (current offsets)
All times shown relative to Ottawa local time
Clock changes in Ottawa
2:00 AM CDT1:00 AM CST
Clocks move back 1 hour
2026
past
Daylight saving time starts
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM CDT1:00 AM CST
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 10 hr 43 min2 min 34 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Saturday, October 24, 2026
View Ottawa on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 43 min2 min 34 sec shorter than the previous day
- Solar noon
- (36.7° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Full Moon (97% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- First Quarter — Sunday, October 18, 2026 at
- Next principal phase
- Full Moon — Sunday, October 25, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 43 min | 2 min 34 sec shorter than the previous day | |||
| 10 hr 41 min | 2 min 34 sec shorter than the previous day | |||
| 10 hr 38 min | 2 min 32 sec shorter than the previous day | |||
| 10 hr 36 min | 2 min 31 sec shorter than the previous day | |||
| 10 hr 33 min | 2 min 31 sec shorter than the previous day | |||
| 10 hr 31 min | 2 min 29 sec shorter than the previous day | |||
| 10 hr 28 min | 2 min 29 sec shorter than the previous day |
Weather forecast for Ottawa
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Plan around Ottawa
Upcoming public holidays in Illinois
- Election Day
- Veterans Day
- Thanksgiving Day
Nearby scheduled airports for Ottawa, Illinois, USA
Central Illinois Regional Airport at Bloomington-NormalBMIMedium airport · Serves Bloomington/Normal96.8 km south
Source: OurAirports record · BMI / KBMI
About 96.8 km (60.1 mi) south of Ottawa
Scheduled airline service in source data
Chicago Rockford International AirportRFDMedium airport · Serves Chicago/Rockford96.8 km north-northwest
Source: OurAirports record · RFD / KRFD
About 96.8 km (60.1 mi) north-northwest of Ottawa
Scheduled airline service in source data
Chicago Midway International AirportMDWLarge airport · Serves Chicago103 km east-northeast
Source: OurAirports record · MDW / KMDW
About 103 km (64.1 mi) east-northeast of Ottawa
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Ottawa in?
- Ottawa uses Central Standard Time (CST, UTC−6) in winter and Central Daylight Time (CDT, UTC−5) in summer. Its IANA time zone is America/Chicago.
- When is the next clock change in Ottawa?
- Clocks in Ottawa move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from CDT (UTC−05:00) to CST (UTC−06:00)
- Does Ottawa observe daylight saving time?
- Yes. Ottawa observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.
- What is the UTC offset of Ottawa?
- Ottawa is UTC−6 in winter and UTC−5 in summer