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Time.is

Time in Cos Cob, Connecticut, United States now

05:18:57

Friday 6. March 2026, week 10

Cos Cob switches to daylight saving time at 02:00 on Sunday 8. March. The time is set one hour forward.
Sun: ↑ 06:20 ↓ 17:51 (11h 31m) - More info - Make Cos Cob time default - Add to favorite locations

Time zone info for Cos Cob

UTC -5

Eastern Time (ET)
always same time as New York

From 8 March 2026: UTC -4 / Eastern Daylight Time (EDT)
The IANA time zone identifier for Cos Cob is America/New_York.

Sunday November 2 2025

Latest change: Winter time started

Switched to UTC -5 / Eastern Standard Time (EST).
The time was set back one hour from 02:00 to 01:00 local time.

Sunday March 8 2026

Next change: Summer time starts

Switching to UTC -4 / Eastern Daylight Time (EDT).
The time will be set forward one hour from 02:00 to 03:00 local time.

Time difference
from Cos Cob

Los Angeles	−3 hours	−3 hours
Chicago	−1 hours	−1 hours
New York	0
Toronto	0
São Paulo	+2 hours
London	+5 hours
UTC	+5 hours
Lagos	+6 hours
Paris	+6 hours
Zurich	+6 hours
Cairo	+7 hours
Johannesburg	+7 hours
Istanbul	+8 hours
Moscow	+8 hours
Dubai	+9 hours
Mumbai	+10.5 hours
Hong Kong	+13 hours
Shanghai	+13 hours
Singapore	+13 hours
Tokyo	+14 hours
Sydney	+16 hours

Compare other time zones

Sunrise, sunset, day length and solar time for Cos Cob

Sunrise: 06:20
Sunset: 17:51
Day length: 11h 31m
Solar noon: 12:06
The current local time in Cos Cob is 6 minutes ahead of apparent solar time.

Cos Cob on the map

Location: Connecticut, United States
Latitude: 41.033. Longitude: -73.600
Population: 6,770
Elevation: 15 m

Open Cos Cob in Google Maps