Current Time in Thornton, Cook County, Illinois, USA

3:55:15 PM

15:55:15

CDT (Central Daylight Time) · UTC−05:00

America/Chicago

Clock format
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Time zone details

Thornton is observing daylight saving time in 2026

Daylight in Thornton

Sunrise7:12 AMSolar noon12:34 PMSunset5:55 PM
Next clock changeNov 1, 2026 · Clocks move back 1 hour · in 7 daysUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
USA
State
Illinois
County
Cook County
Place type
Populated place
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
2,492
Elevation
182 m

Geography

Geographic coordinates
41° 34' N / 87° 36' W
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Clock changes in Thornton

Next clock change

Upcoming

2:00 AM CDT1:00 AM CST

Clocks move back 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM CST3:00 AM CDT

    Clocks move forward 1 hour

  2. upcoming

    Daylight saving time ends

    2:00 AM CDT1:00 AM CST

    Clocks move back 1 hour

Future clock changes, 2027–2030
USA daylight saving timeClock changes worldwide

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
10 hr 43 min2 min 35 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Full MoonMoon illumination97%
View full Sun & Moon detailsHide full Sun & Moon details

Saturday, October 24, 2026

View Thornton on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
10 hr 43 min2 min 35 sec shorter than the previous day
Solar noon
(36.5° 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

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 43 min2 min 35 sec shorter than the previous day
10 hr 40 min2 min 35 sec shorter than the previous day
10 hr 38 min2 min 33 sec shorter than the previous day
10 hr 35 min2 min 33 sec shorter than the previous day
10 hr 32 min2 min 31 sec shorter than the previous day
10 hr 30 min2 min 31 sec shorter than the previous day
10 hr 27 min2 min 30 sec shorter than the previous day

Weather forecast for Thornton

Temperature unit

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Plan around Thornton

Upcoming public holidays in Illinois

  1. Election Day
  2. Veterans Day
  3. Thanksgiving Day

Nearby places

South HollandCook County4 kmNHomewoodCook County5 kmWHarveyCook County6 kmNWLansingCook County6 kmEChicago HeightsCook County7 kmSDoltonCook County8 kmNMunsterLake County8 kmECalumet CityCook County8 kmNEHammondLake County9 kmECountry Club HillsCook County9 kmWPark ForestCook County10 kmSWDyerLake County11 kmSE
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Frequently asked questions

What time zone is Thornton in?
Thornton 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 Thornton?
Clocks in Thornton 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 Thornton observe daylight saving time?
Yes. Thornton observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.
What is the UTC offset of Thornton?
Thornton is UTC−6 in winter and UTC−5 in summer