How many hours is UTC behind EEST?
As abbreviations, EEST is always 3 hours ahead of UTC: UTC is UTC+0 and EEST is UTC+3. To convert, add 3 hours.
Check which label you actually need: EEST (Eastern European Time is on EET today). A time written with an abbreviation that is not in use is usually meant as the local time, so convert between the places instead: right now EEST is 2 hours ahead of UTC.
When the UTC to EEST time difference changes
For most of the year EEST is 3 hours ahead of UTC. From 25 October to 31 December 2026, EEST is 2 hours ahead of UTC instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
| Dates | EEST vs UTC | Length |
|---|---|---|
| 25 October 2026 to 31 December 2026 | 2 hours ahead | 68 days |
| 1 January 2027 to 27 March 2027 | 2 hours ahead | 86 days |
| 28 March 2027 to 30 October 2027 | 3 hours ahead | 217 days |
| 31 October 2027 to 31 December 2027 | 2 hours ahead | 62 days |
Calling hours for UTC and EEST
- When EEST is 3 hours ahead of UTC: 5 shared office hours, 09:00 to 14:00 in UTC (12:00 to 17:00 in EEST).
- When EEST is 2 hours ahead of UTC: 6 shared office hours, 09:00 to 15:00 in UTC (11:00 to 17:00 in EEST).