Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between ist and berlin?
India Standard Time (ist) is UTC+5:30 and BERLIN (Berlin) (berlin) is UTC+2. The difference between them is 3.5 hours.
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.
Where is berlin used?
BERLIN (Berlin) (berlin) is used in Germany and surrounding regions. The IANA timezone identifier is Europe/Berlin.
How do I convert ist to berlin?
Use the interactive converter above. Drag the time slider to any ist time and the berlin equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
IST (Mumbai) is 3 hours 30 minutes ahead of Berlin. Midday in IST (Mumbai) lines up with 08:00 in Berlin.
IST (Mumbai) observes Asia/Kolkata and Berlin observes Europe/Berlin — a 3.5 hours 30 minutes gap between them.
Mutual working hours
There is a 4.5-hour window each day where both IST (Mumbai) and Berlin are within standard business hours (09:00–17:00).
00:0006:0012:0018:0024:00
IST (Mumbai)
Berlin
Overlap (4.5h)
Optimal meeting slots
IST (Mumbai) and Berlin share 4.5 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
13:00 Mumbai / 09:00 Berlin✓ Both working
14:00 Mumbai / 10:00 Berlin✓ Both working
15:00 Mumbai / 11:00 Berlin✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
IST (Mumbai)
No upcoming public holidays this year.
Berlin8 holidays
Aug 15Assumption Day
Sep 20World Children's Day
Oct 3German Unity Day
Oct 31Reformation Day
Nov 1All Saints' Day
How to work with IST (Mumbai) and Berlin time zones
Coordinating between IST (Mumbai) (India) and Berlin (Germany) means working around a 3.5-hour time difference. The 4.5-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 How to schedule across these time zones
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Schedule at 13:00–14:00 (IST (Mumbai)) for a 09:00–10:00 slot in Berlin — the sweet spot where both teams are working.
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Schedule at 14:00–15:00 (IST (Mumbai)) for a 10:00–11:00 slot in Berlin — the sweet spot where both teams are working.
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Schedule at 15:00–16:00 (IST (Mumbai)) for a 11:00–12:00 slot in Berlin — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any IST (Mumbai) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.