What time zone is Herculaneum in?

Herculaneum 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 Herculaneum?

Clocks in Herculaneum 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 Herculaneum observe daylight saving time?

Yes. Herculaneum observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.

What is the UTC offset of Herculaneum?

Herculaneum is UTC−6 in winter and UTC−5 in summer

Current Time in Herculaneum, Jefferson County, Missouri, USA

2:05:43 PM

14:05:43

Saturday, October 24, 2026

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

America/Chicago

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Time zone details

Herculaneum is observing daylight saving time in 2026

Daylight in Herculaneum

Sunrise7:19 AMSolar noon12:45 PMSunset6:11 PM

Next clock changeNov 1, 2026 · Clocks move back 1 hour · in 7 daysUpcomingView details Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: USA
State: Missouri
County: Jefferson County
Place type: Populated place
Country currency: US Dollar (USD)

Practical

Country languages: English, Spanish, Hawaiian, French
Dialing code: +1
Population: 3,935
Elevation: 135 m

Geography

Geographic coordinates: 38° 16' N / 90° 22' W

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Clock changes in Herculaneum

Next clock change

Upcoming

Sunday, November 1, 2026

2:00 AM CDT1:00 AM CST

Clocks move back 1 hour

Sunday, March 8, 2026past
Daylight saving time starts
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
Sunday, November 1, 2026upcoming
Daylight saving time ends
2:00 AM CDT1:00 AM CST
Clocks move back 1 hour

Future clock changes, 2027–2030

USA daylight saving time Clock changes worldwide

Sun & Moon details

Sunrise: 7:19 AM
Solar noon: 12:45 PM
Sunset: 6:11 PM
Daylight duration: 10 hr 52 min2 min 17 sec shorter than the previous day

Civil twilight: 6:52 AM – 6:38 PM
Nautical twilight: 6:21 AM – 7:09 PM
Astronomical twilight: 5:50 AM – 7:39 PM

Full MoonMoon illumination97%

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Saturday, October 24, 2026

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Sun

Sunrise: 7:19 AM (east, 104.5°)
Sunset: 6:11 PM (west, 255.3°)
Day length: 10 hr 52 min2 min 17 sec shorter than the previous day
Solar noon: 12:45 PM (39.8° altitude)

Civil twilight

Dawn to dusk: 6:52 AM – 6:38 PM

Additional twilight

Nautical dawn to dusk: 6:21 AM – 7:09 PM
Astronomical dawn to dusk: 5:50 AM – 7:39 PM

Moon

Phase: Full Moon (97% illuminated)
Moonrise: 5:08 PM (east, 78.2°)
Moonset: 5:34 AM (west, 278.0°)
Previous principal phase: First Quarter — Sunday, October 18, 2026 at 11:13 AM
Next principal phase: Full Moon — Sunday, October 25, 2026 at 11:12 PM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Saturday, October 24	7:19 AM	6:11 PM	10 hr 52 min	2 min 17 sec shorter than the previous day
Sunday, October 25	7:20 AM	6:10 PM	10 hr 50 min	2 min 17 sec shorter than the previous day
Monday, October 26	7:21 AM	6:08 PM	10 hr 47 min	2 min 16 sec shorter than the previous day
Tuesday, October 27	7:22 AM	6:07 PM	10 hr 45 min	2 min 16 sec shorter than the previous day
Wednesday, October 28	7:23 AM	6:06 PM	10 hr 43 min	2 min 14 sec shorter than the previous day
Thursday, October 29	7:24 AM	6:05 PM	10 hr 41 min	2 min 13 sec shorter than the previous day
Friday, October 30	7:25 AM	6:04 PM	10 hr 38 min	2 min 13 sec shorter than the previous day

Weather forecast for Herculaneum

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Plan around Herculaneum

Upcoming public holidays in Missouri

Wed, Nov 11, 2026Veterans Day
Thu, Nov 26, 2026Thanksgiving Day
Fri, Dec 25, 2026Christmas Day

Nearby places

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Frequently asked questions

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