No overlap — one side will join outside working hours
ART (Buenos Aires)
IST (Mumbai)
00:00
08:30
01:00
09:30Working
02:00
10:30Working
03:00
11:30Working
04:00
12:30Working
05:00
13:30Working
06:00
14:30Working
07:00
15:30Working
08:00
16:30Working
09:00Working
17:30off
10:00Working
18:30off
11:00Working
19:30off
12:00Working
20:30off
13:00Working
21:30off
14:00Working
22:30off
15:00Working
23:30off
16:00Working
00:30+1doff
17:00
01:30+1d
18:00
02:30+1d
19:00
03:30+1d
20:00
04:30+1d
21:00
05:30+1d
22:00
06:30+1d
23:00
07:30+1d
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between art and ist?
Argentina Time (art) is UTC-3 and India Standard Time (ist) is UTC+5:30. The difference between them is 8.5 hours.
Where is art used?
Argentina Time (art) is used in Argentina and surrounding regions. The IANA timezone identifier is America/Argentina/Buenos_Aires.
Where is ist used?
India Standard Time (ist) is used in India and surrounding regions. The IANA timezone identifier is Asia/Kolkata. Note: ist is ambiguous and may refer to other timezones.
How do I convert art to ist?
Use the interactive converter above. Drag the time slider to any art time and the ist equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
ART (Buenos Aires) is 9 hours 30 minutes behind IST (Mumbai). At noon in ART (Buenos Aires), your contact in IST (Mumbai) sees 20:00.
ART (Buenos Aires) runs on America/Argentina/Buenos_Aires; IST (Mumbai) runs on Asia/Kolkata. Together they are 8.5 hours 30 minutes apart.
Mutual working hours
There is no business hours overlap between ART (Buenos Aires) and IST (Mumbai) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
ART (Buenos Aires) and IST (Mumbai) have no shared working window. These slots minimize out-of-hours disruption for both sides.
08:00 Buenos Aires / 16:00 Mumbai⚡ One side off-hours
⚠️ 1h before working hours in Buenos Aires
09:00 Buenos Aires / 17:00 Mumbai⚡ One side off-hours
⚠️ 1h after working hours in Mumbai
07:00 Buenos Aires / 15:00 Mumbai⚡ One side off-hours
⚠️ 2h before working hours in Buenos Aires
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
ART (Buenos Aires)6 holidays
Jul 9Independence Day
Aug 17General José de San Martín Memorial Day
Oct 12Day of Respect for Cultural Diversity
Nov 23National Sovereignty Day
Dec 8Immaculate Conception Day
IST (Mumbai)
No upcoming public holidays this year.
Scheduling between ART (Buenos Aires) and IST (Mumbai)
ART (Buenos Aires) (Argentina) and IST (Mumbai) (India) are 8.5 hours apart — far enough that standard 9–5 schedules do not overlap. Any real-time meeting means someone is joining outside their normal hours.
💡 Scheduling tips for these locations
⚡
A 08:00 meeting in ART (Buenos Aires) means 16:00 in IST (Mumbai) (1h before working hours in Buenos Aires).
⚡
A 09:00 meeting in ART (Buenos Aires) means 17:00 in IST (Mumbai) (1h after working hours in Mumbai).
⚡
A 07:00 meeting in ART (Buenos Aires) means 15:00 in IST (Mumbai) (2h before working hours in Buenos Aires).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am ART (Buenos Aires)".