Current Time in Williamsville, Sangamon County, Illinois, USA

11:45:38 PM

23:45:38

CST (Central Standard Time) · UTC−06:00

America/Chicago

Clock format
Time zone details

Williamsville is currently on standard time; daylight saving time is observed in 2026

Daylight in Williamsville

Sunrise6:41 AMSolar noon11:42 AMSunset4:43 PM
Next clock changeMar 14, 2027 · Clocks move forward 1 hour · in 120 daysUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

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

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
1,496
Elevation
183 m

Geography

Geographic coordinates
39° 57' N / 89° 32' W
View on map

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Clock changes in Williamsville

Next clock change

Upcoming

2:00 AM CST3:00 AM CDT

Clocks move forward 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM CST3:00 AM CDT

    Clocks move forward 1 hour

  2. past

    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 02 min2 min 1 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waxing CrescentMoon illumination18%
View full Sun & Moon detailsHide full Sun & Moon details

Friday, November 13, 2026

Sun

Sunrise
Sunset
Day length
10 hr 02 min2 min 1 sec shorter than the previous day
Solar noon
(32.0° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Waxing Crescent (18% illuminated)
Moonrise
Moonset
Previous principal phase
New Moon — Monday, November 9, 2026 at
Next principal phase
First Quarter — Tuesday, November 17, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 02 min2 min 1 sec shorter than the previous day
10 hr 00 min1 min 59 sec shorter than the previous day
9 hr 58 min1 min 56 sec shorter than the previous day
9 hr 56 min1 min 55 sec shorter than the previous day
9 hr 55 min1 min 53 sec shorter than the previous day
9 hr 53 min1 min 50 sec shorter than the previous day
9 hr 51 min1 min 49 sec shorter than the previous day

Weather forecast for Williamsville

Temperature unit

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Plan around Williamsville

Upcoming public holidays in Illinois

  1. Thanksgiving Day
  2. Christmas Day
  3. New Year's Day

Nearby places

Browse places in USA

Frequently asked questions

What time zone is Williamsville in?
Williamsville 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 Williamsville?
Clocks in Williamsville move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from CST (UTC−06:00) to CDT (UTC−05:00)
Does Williamsville observe daylight saving time?
Yes. Williamsville observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.
What is the UTC offset of Williamsville?
Williamsville is UTC−6 in winter and UTC−5 in summer