Duncan in numbers
- Coordinates
- 40.9837, -89.7893
- Elevation
- 201 m above sea level
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1111 km away
- Same name
- 25 more places in the world share this name
What time is it in Duncan, Illinois, United States
The current local time in Duncan, Illinois, United States is displayed here for the America/Chicago time zone (−5).
Duncan, United States
Thursday, 29 October 2026
UTC−5 · America/Chicago
Local time in Duncan
UTC−5 · daylight saving time is active
What the clock shows right now in Duncan.
The sun today
Sunrise 7:27 AM Solar noon 12:44 PM Sunset 6:00 PM Daylight 10 h 33 min Night 13 h 27 min Civil twilight 6:59 AM – 6:29 PM
Weather in Duncan right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Duncan and its neighbours
Postal codes
- 29334
- 38740
- 68634
- 73533
- 73534
- 73536
- 85534
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Illinois
Other places named Duncan
- Duncan Oklahoma, United States
- Duncan British Columbia, Canada
- Duncan South Carolina, United States
- Duncan Arizona, United States
- Duncan Mississippi, United States
Same time zone — America/Chicago
- Chicago United States
- Houston United States
- San Antonio United States
- Dallas United States
- Fort Worth United States
- Austin United States
Nearby places
- Slackwater (historical) — 2.7 km
- Stark — 4.0 km
- Princeville — 6.6 km
- Monica — 7.3 km
- Wyoming — 8.8 km
- Speer — 11.7 km
Local time details for Duncan
Nearby, Slackwater (historical) and Stark go by the same clock as Duncan.
Duncan is covered by 7 postal codes.
Clocks across Duncan run on America/Chicago at UTC−5. Daylight saving time: Yes.
The horizon brightens over Duncan at 7:27 AM, and the sun sets at 6:00 PM. Daylight runs 10 h 33 min.
Questions and answers
- What is the time zone designation for Duncan?
- The time zone designation for Duncan is America/Chicago, with an offset of −5.
- Is there a daylight saving time change in Duncan?
- Daylight saving in Duncan: Yes.
- What time will the sun set in Duncan today?
- Today it sets at 6:00 PM.