Phuket to Sumy: time difference
Sumy is 4 h behind Phuket. Live clocks for both, the working hours they share, and how each one sits against your own time.
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Phuket 18:43 6:43 PM Sumy 14:43 2:43 PM You –:–
18:43 6:43 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:10
14:43 2:43 PM
Eastern European Summer Time · UTC+3
☀️ 07:09 · 🌙 17:44
·
−4 h
Sumy is 4 h behind Phuket.
When you, Phuket and Sumy are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇭 Phuket
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇦 Sumy
20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Phuket | 🇺🇦 Sumy |
|---|---|---|
| Local time | 18:43 | 14:43 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Indochina Time | Eastern European Summer Time |
| UTC offset | UTC+7 | UTC+3 |
| Offset from Phuket | — | −4 h |
| IANA zone | Asia/Bangkok | Europe/Kyiv |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 06:14 | 07:09 |
| Sunset | 18:10 | 17:44 |
| Daylight | 11 h 56 min | 10 h 36 min |
| People on this clock | 79,308 | 267,633 |
Compare Phuket with another city
More comparisons with Phuket: the time zones next to it and the far side of the clock.
Big time differences
Phuket and Sumy: common questions
How many hours behind Phuket is Sumy?
The clocks in Sumy are 4 hours behind those in Phuket (UTC+3 and UTC+7).
If it is 9:00 AM in Phuket, what time is it in Sumy?
At 9:00 AM in Phuket, clocks in Sumy show 5:00 AM.
What time is it in Sumy at the end of the working day in Phuket?
The working day in Phuket ends at 6:00 PM; in Sumy it is 2:00 PM at that moment.
When is a good time to call Sumy from Phuket?
Between 1:00 PM and 6:00 PM in Phuket – that is 9:00 AM to 2:00 PM in Sumy – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sumy compared with Phuket?
The new day starts in Sumy later: until 4:00 AM in Phuket, it is still the previous day there. From 8:00 PM in Sumy, Phuket is already on the next day.
Does the time gap between Phuket and Sumy change during the year?
Yes – daylight saving time is used in Sumy but not in Phuket. From October 25, 2026, Sumy will be 5 hours behind Phuket.
