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
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
Convert Williamsville time
Compare Williamsville with another city or time zone
Clock changes in Williamsville
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
2026
past
Daylight saving time starts
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
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%
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Friday, November 13, 2026
View Williamsville on Savvy Time's time-zone map
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
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 02 min | 2 min 1 sec shorter than the previous day | |||
| 10 hr 00 min | 1 min 59 sec shorter than the previous day | |||
| 9 hr 58 min | 1 min 56 sec shorter than the previous day | |||
| 9 hr 56 min | 1 min 55 sec shorter than the previous day | |||
| 9 hr 55 min | 1 min 53 sec shorter than the previous day | |||
| 9 hr 53 min | 1 min 50 sec shorter than the previous day | |||
| 9 hr 51 min | 1 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
- Thanksgiving Day
- Christmas Day
- New Year's Day
Nearby places
SpringfieldSangamon County19 kmSWDecaturMacon County52 kmEJacksonvilleMorgan County63 kmSWPekinTazewell County69 kmNMortonTazewell County74 kmNBloomingtonMcLean County75 kmNENormalMcLean County78 kmNEEast PeoriaTazewell County79 kmNPeoriaPeoria County82 kmNWashingtonTazewell County84 kmNNorth PeoriaPeoria County85 kmN
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