What is HST in EET?
Eastern European Time is 13 hours ahead
Hawaii Standard Time is on UTC−10:00 and Eastern European Time is on UTC+3:00 right now. Eastern European Time is on daylight saving, so its clocks read EEST. The gap changes during the year — see below.
- Time in Honolulu
- 4:55 pm
- Time in Athens
- 5:55 am
- Difference
- +13 h
- Next clock change
- October 25, 2026
Convert a time
EEST — Eastern European Time
5:00 am
Wed, the next day
When the difference changes
Hawaii Standard Time and Eastern European Time do not change their clocks on the same dates, so the gap between them is not the same all year. Most converters show only today’s figure. These are the periods ahead:
- Now – October 25, 2026Eastern European Time is 13 hours ahead
- October 25, 2026 – March 28, 2027Eastern European Time is 12 hours ahead
- March 28, 2027 – onwardsEastern European Time is 13 hours ahead
Periods shorter than a day are not listed: both zones change at 2am in their own local time, so there are a few hours on each transition date when the gap is briefly something else.
Daylight saving
Hawaii Standard Time
Hawaii Standard Time stays on HST all year, so its offset from UTC never moves.
Eastern European Time
Clocks go back one hour at 2am local time, becoming EET.
HST to EET conversion table
Every hour of Tuesday, September 22, 2026, converted from Hawaii Standard Time to Eastern European Time. 13 of the 24 hours fall on a different calendar day in Athens, which is marked.
- 12:00 am HST
- 1:00 pm EEST
- 1:00 am HST
- 2:00 pm EEST
- 2:00 am HST
- 3:00 pm EEST
- 3:00 am HST
- 4:00 pm EEST
- 4:00 am HST
- 5:00 pm EEST
- 5:00 am HST
- 6:00 pm EEST
- 6:00 am HST
- 7:00 pm EEST
- 7:00 am HST
- 8:00 pm EEST
- 8:00 am HST
- 9:00 pm EEST
- 9:00 am HST
- 10:00 pm EEST
- 10:00 am HST
- 11:00 pm EEST
- 11:00 am HST
- 12:00 am EEST+1 day
- 12:00 pm HST
- 1:00 am EEST+1 day
- 1:00 pm HST
- 2:00 am EEST+1 day
- 2:00 pm HST
- 3:00 am EEST+1 day
- 3:00 pm HST
- 4:00 am EEST+1 day
- 4:00 pm HST
- 5:00 am EEST+1 day
- 5:00 pm HST
- 6:00 am EEST+1 day
- 6:00 pm HST
- 7:00 am EEST+1 day
- 7:00 pm HST
- 8:00 am EEST+1 day
- 8:00 pm HST
- 9:00 am EEST+1 day
- 9:00 pm HST
- 10:00 am EEST+1 day
- 10:00 pm HST
- 11:00 am EEST+1 day
- 11:00 pm HST
- 12:00 pm EEST+1 day
Scheduling between the two
There is no overlap between a nine-to-six working day in Honolulu and one in Athens — the gap is too wide. A call has to sit early or late for one side. Early morning in Honolulu is the usual compromise, since that is late afternoon or evening in Athens.
Hawaii Standard Time (HST) is used in all of Hawaii, which does not observe daylight saving
Eastern European Time (EEST) is used in Helsinki, Bucharest, Kyiv and Cairo