Current Time in Mount Vernon, Illinois, USA

3:55:28 PM

15:55:28

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

America/Chicago

Clock format
Time zone details

Mount Vernon is observing daylight saving time in 2026

Daylight in Mount Vernon

Sunrise7:13 AMSolar noon12:39 PMSunset6:05 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
Jefferson County
Place type
City or town
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
15,087
Elevation
156 m

Geography

Geographic coordinates
38° 19' N / 88° 54' W
View on map

Convert Mount Vernon time

All times shown relative to Mount Vernon local time

Clock changes in Mount Vernon

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

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
10 hr 52 min2 min 18 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

Sun

Sunrise
Sunset
Day length
10 hr 52 min2 min 18 sec shorter than the previous day
Solar noon
(39.8° 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 52 min2 min 18 sec shorter than the previous day
10 hr 49 min2 min 17 sec shorter than the previous day
10 hr 47 min2 min 17 sec shorter than the previous day
10 hr 45 min2 min 15 sec shorter than the previous day
10 hr 43 min2 min 15 sec shorter than the previous day
10 hr 40 min2 min 13 sec shorter than the previous day
10 hr 38 min2 min 13 sec shorter than the previous day

Weather forecast for Mount Vernon

Temperature unit

Loading weather forecast…

Plan around Mount Vernon

Upcoming public holidays in Illinois

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

Nearby scheduled airports for Mount Vernon, Illinois, USA

Veterans Airport of Southern IllinoisMWAMedium airport · Serves Marion63.7 km south

Source: OurAirports record · MWA / KMWA

About 63.7 km (39.6 mi) south of Mount Vernon

Scheduled airline service in source data

Scott AFB/Midamerica AirportBLVMedium airport · Serves Belleville85.1 km west-northwest

Source: OurAirports record · BLV / KBLV

About 85.1 km (52.9 mi) west-northwest of Mount Vernon

Scheduled airline service in source data

Evansville Regional AirportEVVMedium airport · Serves Evansville124 km east-southeast

Source: OurAirports record · EVV / KEVV

About 124 km (76.9 mi) east-southeast of Mount Vernon

Scheduled airline service in source data

Nearby places

Browse places in USA

Frequently asked questions

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