Rumia to Buenos Aires: time difference
Buenos Aires is 5 h behind Rumia. Live clocks for both, the working hours they share, and how each one sits against your own time.
−5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rumia 01:36 1:36 AM Buenos Aires 20:36 8:36 PM You –:–
01:36 1:36 AM
Central European Summer Time · UTC+2
☀️ 07:25 · 🌙 17:39
20:36 8:36 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−5 h
Buenos Aires is 5 h behind Rumia.
When you, Rumia and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇱 Rumia
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
🇦🇷 Buenos Aires
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇱 Rumia | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:36 | 20:36 |
| Local date | Tuesday, October 20, 2026 | Monday, October 19, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Rumia | — | −5 h |
| IANA zone | Europe/Warsaw | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:25 | 06:07 |
| Sunset | 17:39 | 19:11 |
| Daylight | 10 h 14 min | 13 h 4 min |
| People on this clock | 49,672 | 2,891,082 |
Compare Rumia with another city
More comparisons with Rumia: the time zones next to it and the far side of the clock.
Big time differences
Rumia and Buenos Aires: common questions
How far behind Rumia is Buenos Aires?
Buenos Aires is 5 hours behind Rumia: UTC−3 against UTC+2.
If it is 9:00 AM in Rumia, what time is it in Buenos Aires?
At 9:00 AM in Rumia, clocks in Buenos Aires show 4:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Rumia?
When it is 6:00 PM in Rumia, it is 1:00 PM in Buenos Aires.
When is a good time to call Buenos Aires from Rumia?
Between 2:00 PM and 6:00 PM in Rumia – that is 9:00 AM to 1:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Rumia is it still yesterday in Buenos Aires?
Before 5:00 AM in Rumia, the date in Buenos Aires has not changed yet. From 7:00 PM in Buenos Aires, it is already the next day in Rumia.
Does the time gap between Rumia and Buenos Aires change during the year?
Yes – daylight saving time is used in Rumia but not in Buenos Aires. From October 25, 2026, Buenos Aires will be 4 hours behind Rumia.
