Buenos Aires to Sumy: time difference
Sumy is 6 h ahead of Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
+6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 07:15 7:15 AM Sumy 13:15 1:15 PM You –:–
07:15 7:15 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
13:15 1:15 PM
Eastern European Summer Time · UTC+3
☀️ 07:09 · 🌙 17:44
·
+6 h
Sumy is 6 h ahead of Buenos Aires.
When you, Buenos Aires 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
🇦🇷 Buenos Aires
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
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇺🇦 Sumy |
|---|---|---|
| Local time | 07:15 | 13:15 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Argentina Standard Time | Eastern European Summer Time |
| UTC offset | UTC-3 | UTC+3 |
| Offset from Buenos Aires | — | +6 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Kyiv |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 06:09 | 07:09 |
| Sunset | 19:11 | 17:44 |
| Daylight | 13 h 2 min | 10 h 36 min |
| People on this clock | 2,891,082 | 267,633 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Sumy: common questions
How far ahead of Buenos Aires is Sumy?
Sumy is 6 hours ahead of Buenos Aires: UTC+3 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Sumy?
At 9:00 AM in Buenos Aires, clocks in Sumy show 3:00 PM.
If it is 6:00 PM in Buenos Aires, what time is it in Sumy?
At 6:00 PM in Buenos Aires, clocks in Sumy show 12:00 AM (the next day).
Is there a time when both Buenos Aires and Sumy are at work?
Yes: from 9:00 AM to 12:00 PM in Buenos Aires (3:00 PM to 6:00 PM in Sumy), the working days (9:00 AM–6:00 PM) overlap.
From what time in Buenos Aires is it tomorrow in Sumy?
Once it is 6:00 PM in Buenos Aires, the date in Sumy has already changed. Until 6:00 AM in Sumy, it is still the previous day in Buenos Aires.
Does the time gap between Buenos Aires and Sumy change during the year?
Yes – daylight saving time is used in Sumy but not in Buenos Aires. From October 25, 2026, Sumy will be 5 hours ahead of Buenos Aires.
