tokyo to ist Time Converter

TOKYO (Tokyo) → India Standard Time

tokyo = UTC+9ist = UTC+5:30

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

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

ClockinSync

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TokyoBASE

09:00

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00:0006:0012:0018:0024:00

IST (Mumbai)

India · -3.5h

05:30

London

United Kingdom · -8h

01:00

New York

USA · -13h

-1 day20:00

Dubai

United Arab Emirates · -5h

04:00

Sydney

Australia · +1h

10:00

Time difference: Tokyo and IST (Mumbai)

Tokyo is 3 hours 30 minutes ahead of IST (Mumbai). When it's noon in Tokyo, it's 08:00 in IST (Mumbai).

Tokyo is in the Asia/Tokyo timezone. IST (Mumbai) is in the Asia/Kolkata timezone. The difference is 3.5 hours 30 minutes.

Working hours overlap

Both Tokyo and IST (Mumbai) are simultaneously in business hours for 4.5 hours per day (assuming standard 9:00–17:00 working hours).

00:0006:0012:0018:0024:00

Tokyo

IST (Mumbai)

Overlap (4.5h)

Best times to schedule a meeting

Tokyo and IST (Mumbai) share 4.5 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full overlap window.

13:00 Tokyo / 09:00 Mumbai✓ Both working

14:00 Tokyo / 10:00 Mumbai✓ Both working

15:00 Tokyo / 11:00 Mumbai✓ Both working

Based on standard 09:00–17:00 working hours in each city's local time.

Public holidays this year

Tokyo11 holidays

Apr 29Shōwa DaySOON

May 4Constitution Memorial DaySOON

May 4Greenery DaySOON

May 5Children's DaySOON

Jul 20Marine Day

IST (Mumbai)

No upcoming public holidays this year.

Scheduling between Tokyo and IST (Mumbai)

Coordinating between Tokyo (Japan) and IST (Mumbai) (India) means working around a 3.5-hour time difference, with Tokyo ahead. The 4.5-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.

💡 Practical scheduling guidelines

✅

If you are in Tokyo, aim for 13:00–14:00, which corresponds to 09:00–10:00 in IST (Mumbai) — both teams are within working hours.

✅

If you are in Tokyo, aim for 14:00–15:00, which corresponds to 10:00–11:00 in IST (Mumbai) — both teams are within working hours.

✅

If you are in Tokyo, aim for 15:00–16:00, which corresponds to 11:00–12:00 in IST (Mumbai) — both teams are within working hours.

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.

Install ClockinSync Free →

Use the time slider above to find the exact equivalent time for any moment in Tokyo. The input bar accepts natural language like “3pm”, “15:30”, or “9am Rome” for instant conversions.

tokyo (Tokyo) ↔ ist (Mumbai)

4 hours of business hours overlap daily (09:00–17:00)

tokyo (Tokyo)

ist (Mumbai)