Current Time in Buffalo Grove, Illinois, USA
2:23:03 AM
02:23:03
CST (Central Standard Time) · UTC−06:00
America/Chicago
Time zone details
Buffalo Grove is currently on standard time; daylight saving time is observed in 2026
Daylight in Buffalo Grove
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
- 41,496
- Elevation
- 207 m
Geography
- Geographic coordinates
- 42° 09' N / 87° 57' W
Convert Buffalo Grove time
Compare Buffalo Grove with another city or time zone
Buffalo Grove follows the same clock and daylight-saving rules as Chicago
Popular conversions (current offsets)
All times shown relative to Buffalo Grove local time
Clock changes in Buffalo Grove
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
- 9 hr 50 min2 min 9 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Saturday, November 14, 2026
View Buffalo Grove on Savvy Time's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 9 hr 50 min2 min 9 sec shorter than the previous day
- Solar noon
- (29.5° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Waxing Crescent (25% 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 |
|---|---|---|---|---|
| 9 hr 50 min | 2 min 9 sec shorter than the previous day | |||
| 9 hr 48 min | 2 min 7 sec shorter than the previous day | |||
| 9 hr 46 min | 2 min 5 sec shorter than the previous day | |||
| 9 hr 44 min | 2 min 3 sec shorter than the previous day | |||
| 9 hr 42 min | 2 min shorter than the previous day | |||
| 9 hr 40 min | 1 min 58 sec shorter than the previous day | |||
| 9 hr 38 min | 1 min 55 sec shorter than the previous day |
Weather forecast for Buffalo Grove
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Plan around Buffalo Grove
Upcoming public holidays in Illinois
- Thanksgiving Day
- Christmas Day
- New Year's Day
Nearby scheduled airports for Buffalo Grove, Illinois, USA
Chicago O'Hare International AirportORDLarge airport · Serves Chicago19.7 km south-southeast
Source: OurAirports record · ORD / KORD
About 19.7 km (12.2 mi) south-southeast of Buffalo Grove
Scheduled airline service in source data
Chicago Midway International AirportMDWLarge airport · Serves Chicago44.1 km south-southeast
Source: OurAirports record · MDW / KMDW
About 44.1 km (27.4 mi) south-southeast of Buffalo Grove
Scheduled airline service in source data
Gary/Chicago International AirportGYYMedium airport · Serves Gary74.7 km southeast
Source: OurAirports record · GYY / KGYY
About 74.7 km (46.4 mi) southeast of Buffalo Grove
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Buffalo Grove in?
- Buffalo Grove 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 Buffalo Grove?
- Clocks in Buffalo Grove 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 Buffalo Grove observe daylight saving time?
- Yes. Buffalo Grove observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.
- What is the UTC offset of Buffalo Grove?
- Buffalo Grove is UTC−6 in winter and UTC−5 in summer