Gretna in numbers
- Coordinates
- 41.8981, -88.1015
- Elevation
- 241 m above sea level
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 994 km away
- Same name
- 15 more places in the world share this name
What time is it in Gretna, Illinois, United States
This page keeps the current time in Gretna, Illinois, United States, according to the America/Chicago zone (−6).
Gretna, United States
Saturday, 14 November 2026
UTC−6 · America/Chicago
Local time in Gretna
UTC−6 · no daylight saving time
Local time in Gretna, Illinois.
The sun today
Sunrise 6:42 AM Solar noon 11:38 AM Sunset 4:34 PM Daylight 9 h 52 min Night 14 h 08 min Civil twilight 6:12 AM – 5:04 PM
Weather in Gretna right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Gretna and its neighbours
Postal codes
- 24557
- 32332
- 68028
- 70053
- 70054
- 70056
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 Gretna
- Gretna Louisiana, United States
- Gretna Nebraska, United States
- Gretna Scotland, United Kingdom
- Gretna Florida, United States
- Gretna Virginia, 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
- North Glen Ellyn — 3.2 km
- Wheaton — 3.6 km
- Glen Ellyn — 3.7 km
- Cloverdale — 4.9 km
- Dupage County — 5.3 km
- Swift — 5.5 km
Gretna: clock, sun and surroundings
Postal codes assigned across Gretna total 6.
Gretna belongs to the America/Chicago zone, placing local clocks at UTC−6. Summer time adjustment: No.
First light in Gretna comes at 6:42 AM today; darkness returns after 4:34 PM. The day gives 9 h 52 min of light.
North Glen Ellyn and Wheaton are near Gretna and do not differ from it in time.
Questions and answers
- What time zone governs the clock in Gretna?
- The clock in Gretna follows America/Chicago, with an offset of −6.
- Is the time in Gretna adjusted seasonally?
- No.
- What time does the day end in Gretna?
- The sun sets at 4:34 PM.