India Standard Time (ist) is used in India. The IANA timezone identifier is Asia/Kolkata.

HAVANA to IST Time Converter

Q: Where is havana used?

HAVANA (Havana) (havana) is used in Cuba. The IANA timezone identifier is America/Havana.

HAVANA (Havana) → India Standard Time

HAVANA = UTC-4IST = UTC+5:30

⚠️ IST is ambiguous — on this page it means India Standard Time. It also refers to:

HAVANA → Ireland Standard Time (Dublin) ↗HAVANA → Israel Standard Time (Jerusalem) ↗

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

IST (Mumbai)

India · +9.5h

18:30

London

United Kingdom · +5h

14:00

New York

USA · UTC±0

09:00

Tokyo

Japan · +13h

22:00

Dubai

United Arab Emirates · +8h

17:00

Havana vs IST (Mumbai) — time difference

Havana is 10 hours 30 minutes behind IST (Mumbai). At noon in Havana, your contact in IST (Mumbai) sees 21:00.

Havana observes America/Havana and IST (Mumbai) observes Asia/Kolkata — a 9.5 hours 30 minutes gap between them.

Shared working hours

When Havana is in standard working hours, IST (Mumbai) is not — and vice versa. There is no mutual business window between these two locations.

Meeting time recommendations

No business hours overlap exists between Havana and IST (Mumbai). Showing the most balanced options with minimal inconvenience for both locations.

07:00 Havana / 16:00 Mumbai⚡ One side off-hours

⚠️ 2h before working hours in Havana

09:00 Havana / 18:00 Mumbai⚡ One side off-hours

⚠️ 2h after working hours in Mumbai

06:00 Havana / 15:00 Mumbai⚡ One side off-hours

⚠️ 3h before working hours in Havana

Assumes a standard 9 AM–5 PM workday in each location's local timezone.

Public holidays for both locations

Havana5 holidays

Jul 25Day before the Commemoration of the Assault of the Moncada garrison

Jul 26Commemoration of the Assault of the Moncada garrison

Jul 27Day after the Commemoration of the Assault of the Moncada garrison

Oct 10Independence Day

Dec 25Christmas Day

IST (Mumbai)

No upcoming public holidays this year.

Scheduling between Havana and IST (Mumbai)

A 9.5-hour difference separates Havana (Cuba) and IST (Mumbai) (India) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.

💡 Scheduling tips for these locations

⚡

07:00–08:00 in Havana corresponds to 16:00–17:00 in IST (Mumbai) (2h before working hours in Havana).

⚡

09:00–10:00 in Havana corresponds to 18:00–19:00 in IST (Mumbai) (2h after working hours in Mumbai).

⚡

06:00–07:00 in Havana corresponds to 15:00–16:00 in IST (Mumbai) (3h before working hours in Havana).

With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.

Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.

Install ClockinSync Free →

Drag the slider at the top to convert any Havana time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.

HAVANA (Havana) ↔ IST (Mumbai)

No overlap — one side will join outside working hours

HAVANA (Havana)

IST (Mumbai)

00:00

09:30Working

01:00

10:30Working

02:00

11:30Working

03:00

12:30Working

04:00

13:30Working

05:00

14:30Working

06:00

15:30Working

07:00

16:30Working

08:00

17:30

09:00Working

18:30off

10:00Working

19:30off

11:00Working

20:30off

12:00Working

21:30off

13:00Working

22:30off

14:00Working

23:30off

15:00Working

00:30+1doff

16:00Working

01:30+1doff

17:00

02:30+1d

18:00

03:30+1d

19:00

04:30+1d

20:00

05:30+1d

21:00

06:30+1d

22:00

07:30+1d

23:00

08:30+1d

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Frequently Asked Questions

What is the difference between havana and ist?

HAVANA (Havana) (havana) is UTC-4 and India Standard Time (ist) is UTC+5:30. The difference between them is 9.5 hours.

Where is havana used?

HAVANA (Havana) (havana) is used in Cuba and surrounding regions. The IANA timezone identifier is America/Havana.

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 havana to ist?

Use the interactive converter above. Drag the time slider to any havana time and the ist equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular HAVANA conversions

HAVANA → London HAVANA → New York HAVANA → Tokyo HAVANA → Dubai HAVANA → Sydney HAVANA → Paris HAVANA → Berlin HAVANA → Singapore HAVANA → Los Angeles HAVANA → Toronto

Popular IST conversions

London → IST New York → IST Tokyo → IST Dubai → IST Sydney → IST Paris → IST Berlin → IST Singapore → IST Los Angeles → IST Toronto → IST