Buenos Aires to Kostroma: time difference
Kostroma 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.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 00:00 12:00 AM Kostroma 06:00 6:00 AM You –:–
00:00 12:00 AM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
06:00 6:00 AM
Moscow Standard Time · UTC+3
☀️ 06:57 · 🌙 17:07
·
+6 h
Kostroma is 6 h ahead of Buenos Aires.
When you, Buenos Aires and Kostroma 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
🇷🇺 Kostroma
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 | 🇷🇺 Kostroma |
|---|---|---|
| Local time | 00:00 | 06:00 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Argentina Standard Time | Moscow Standard Time |
| UTC offset | UTC-3 | UTC+3 |
| Offset from Buenos Aires | — | +6 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Moscow |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:10 | 06:57 |
| Sunset | 19:10 | 17:07 |
| Daylight | 13 h | 10 h 10 min |
| People on this clock | 2,891,082 | 277,393 |
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 Kostroma: common questions
How far ahead of Buenos Aires is Kostroma?
Kostroma is 6 hours ahead of Buenos Aires: UTC+3 against UTC−3.
What time is it in Kostroma when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 3:00 PM in Kostroma.
If it is 6:00 PM in Buenos Aires, what time is it in Kostroma?
At 6:00 PM in Buenos Aires, clocks in Kostroma show 12:00 AM (the next day).
When do working hours in Buenos Aires and in Kostroma overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 12:00 PM in Buenos Aires, which is 3:00 PM to 6:00 PM in Kostroma.
When does the date change in Kostroma compared with Buenos Aires?
The new day starts in Kostroma earlier: at 6:00 PM in Buenos Aires it is already midnight there. Until 6:00 AM in Kostroma, Buenos Aires is still on the previous day.
Is the time difference between Buenos Aires and Kostroma the same all year?
Yes. Neither Buenos Aires nor Kostroma switches to summer time, so the gap is always 6 hours.
