Rochester in numbers
- Coordinates
- 39.7495, -89.5318
- Elevation
- 170 m above sea level
- Population
- 3 779
- Region
- Illinois
- Country
- United States, North America
- Capital
- Washington, D.C. — 1078 km away
- Same name
- 24 more places in the world share this name
What time is it in Rochester, Illinois, United States
The clock for Rochester, Illinois, United States is kept here in the America/Chicago time zone (−5).
Rochester, United States
Tuesday, 27 October 2026
UTC−5 · America/Chicago
Local time in Rochester
UTC−5 · daylight saving time is active
What the clock shows right now in Rochester.
The sun today
Sunrise 7:22 AM Solar noon 12:43 PM Sunset 6:04 PM Daylight 10 h 42 min Night 13 h 18 min Civil twilight 6:54 AM – 6:32 PM
Weather in Rochester right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Rochester and its neighbours
Postal codes
- 02770
- 03839
- 03866
- 03867
- 03868
- 05767
- 14602
- 14603
- 14604
- 14605
- 14606
- 14607
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 Rochester
- Rochester New York, United States
- Rochester Minnesota, United States
- Rochester New Hampshire, United States
- Rochester England, United Kingdom
- Rochester Michigan, 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
- Keys — 4.9 km
- Berry — 6.6 km
- Shale Bluff — 7.3 km
- Buckhart — 7.4 km
- Southlawn — 7.7 km
- Clear Lake — 7.8 km
About the time in Rochester
Rochester is mapped by 12 postal codes.
Clocks in Rochester are set by America/Chicago and read UTC−5. Daylight saving time: Yes.
Rochester has sunrise at 7:22 AM today and sunset at 6:04 PM. Light holds for 10 h 42 min.
Places close to Rochester, among them Keys and Berry, share its time.
Questions and answers
- Which time zone name applies to Rochester?
- The time zone name for Rochester is America/Chicago, with an offset of −5.
- Does Rochester run on daylight saving time for part of the year?
- Daylight saving in Rochester: Yes.
- Is there a set time for sunrise in Rochester?
- Today the sun rises at 7:22 AM.