Honolulu to Cos Cob Time Converter
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Quick answers
Selected conversion
2:00 am02:00 HST (UTC-10), Oct 30, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 30, 2026
Honolulu is 6 hours behind Cos Cob.
How the time difference changes
For most of the year, Honolulu is 6 hours behind Cos Cob. From Nov 1, 2026 to Mar 14, 2027, Honolulu is 5 hours behind Cos Cob.
For most of the year, working hours of 9:00 am to 6:00 pm in Honolulu correspond to 3:00 pm to 12:00 am (next day) in Cos Cob. At other times of the year, working hours of 9:00 am to 6:00 pm in Honolulu correspond to 2:00 pm to 11:00 pm in Cos Cob.For most of the year, working hours of 09:00 to 18:00 in Honolulu correspond to 15:00 to 00:00 (next day) in Cos Cob. At other times of the year, working hours of 09:00 to 18:00 in Honolulu correspond to 14:00 to 23:00 in Cos Cob.
Compare Honolulu time with Cos Cob time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
HST (Hawaii Standard Time) is 6 hours behind EDT (Eastern Daylight Time).
2:00 am02:00 in Honolulu, HI, USA is 8:00 am08:00 in Cos Cob, CT, USA
Honolulu to Cos Cob call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in Honolulu which corresponds to 3pm-6pm15:00-18:00 in Cos Cob
2:00 am02:00 HST (Hawaii Standard Time) (Honolulu, HI, USA). Offset UTC -10:00 hours
8:00 am08:00 EDT (Eastern Daylight Time) (Cos Cob, CT, USA). Offset UTC -4:00 hours
2:00 am02:00 Honolulu, HI, USA / 8:00 am08:00 Cos Cob, CT, USA
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Honolulu Time Zone and Facts
Time Zone
Honolulu Facts
Cos Cob Time Zone and Facts
Time Zone
EST – Eastern Standard Time, UTC-5 (standard time)