United States
Time now in Rochester
Sunday, 23 August 2026
Sunrise 07:07Sunset 08:16Time zone UTC −5
Time zone
America/Chicago
UTC offset
UTC −5
Daylight saving
In effect now
Population
315
Sunrise
07:07
Sunset
08:16
Day length
13h 09m
Coordinates
33.32, -99.86
Time difference from Rochester
Hours ahead (right) or behind (left) Rochester right now.
Rochester on the map
About the time in Rochester
Rochester sits at latitude 33.32, in the mid-latitude band, so day length here swings noticeably between midwinter and midsummer — today's 13h 09m is one point on that curve, not a fixed value.
Rochester runs on America/Chicago, which puts the city UTC −5 from Coordinated Universal Time right now. The clock at the top of this page is not copied from your device: it is anchored to our reference timestamp and re-rendered every second against the IANA time zone database, so it stays right even when a laptop or phone has quietly drifted.
The zone identifier America/Chicago is the value you want in code, calendars and travel systems. Abbreviations change with the season, but America/Chicago keeps pointing at Chicago time whatever the date, which is why every timestamp on this page is built from it.
Frequently asked questions about time in Rochester
- Which time zone is Rochester in?
- Rochester uses America/Chicago, currently UTC −5.
- When do the sun rise and set in Rochester today?
- Sunrise is at 07:07 and sunset at 08:16, giving 13h 09m of daylight.
- What are normal business hours in Rochester in UTC?
- A 09:00–17:00 working day in Rochester runs from 14:00–22:00 UTC today.
- What time is it in Rochester right now?
- The live clock above shows the current time in Rochester, updating every second from America/Chicago (UTC −5).
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