Cos Cob in numbers
- Coordinates
- 41.0334, -73.5996
- Elevation
- 15 m above sea level
- Population
- 6 770
- Region
- Connecticut
- Country
- United States, North America
- Capital
- Washington, D.C. — 377 km away
What time is it in Cos Cob, Connecticut, United States
The exact time in Cos Cob, Connecticut, United States is given here, for the America/New_York time zone (−4).
Cos Cob, United States
Saturday, 31 October 2026
UTC−4 · America/New_York
Local time in Cos Cob
UTC−4 · daylight saving time is active
Cos Cob keeps America/New_York clock_time.
The sun today
Sunrise 7:25 AM Solar noon 12:39 PM Sunset 5:53 PM Daylight 10 h 28 min Night 13 h 32 min Civil twilight 6:57 AM – 6:22 PM
Weather in Cos Cob right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Cos Cob and its neighbours
Postal codes
- 06807
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 Connecticut
- Bridgeport 147 629
- New Haven 130 322
- Stamford 128 874
- North Stamford 121 230
- Hartford 121 054
- Waterbury 108 802
Same time zone — America/New_York
- New York City United States
- Brooklyn United States
- Queens United States
- Philadelphia United States
- Manhattan United States
- The Bronx United States
Nearby places
- Mianus — 1.4 km
- Riverside — 1.8 km
- Greenwich — 2.5 km
- Old Greenwich — 3.1 km
- North Mianus — 3.8 km
- Glenville — 5.1 km
Local time details for Cos Cob
The zone that governs Cos Cob is America/New_York at UTC−4. Whether the clocks move seasonally: Yes.
Today at Cos Cob, the sun rises at 7:25 AM and sets at 5:53 PM. That gives 10 h 28 min of daylight.
Both Mianus and Riverside are near Cos Cob and keep its time.
The register holds 1 postal code for Cos Cob.
Questions and answers
- What time zone does Cos Cob observe?
- Cos Cob observes America/New_York, whose offset is −4.
- Does Cos Cob stay on standard time all year?
- Daylight saving in Cos Cob: Yes.
- What hour brings sunrise in Cos Cob?
- The hour is 7:25 AM.