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

Central European Summer Time (cest) is used in France. The IANA timezone identifier is Europe/Paris.

IST to CEST Time Converter

India Standard Time → Central European Summer Time

IST = UTC+5:30CEST = UTC+2

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

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

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

CEST (Paris)

France · -3.5h

05:30

London

United Kingdom · -4.5h

04:30

New York

USA · -9.5h

23:30-1 day

Tokyo

Japan · +3.5h

12:30

Dubai

United Arab Emirates · -1.5h

07:30

Time difference: IST (Mumbai) and CEST (Paris)

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

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

Business hours comparison

Both IST (Mumbai) and CEST (Paris) 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

IST (Mumbai)

CEST (Paris)

Overlap (4.5h)

Recommended meeting windows

Both IST (Mumbai) and CEST (Paris) are in standard hours simultaneously for 4.5h per day. 3 recommended slots shown below.

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

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

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

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

Public holidays this year

IST (Mumbai)

No upcoming public holidays this year.

CEST (Paris)5 holidays

Jul 14Bastille Day

Aug 15Assumption Day

Nov 1All Saints' Day

Nov 11Armistice Day

Dec 25Christmas Day

IST (Mumbai) and CEST (Paris) — practical scheduling

IST (Mumbai) (India) leads CEST (Paris) (France) by 3.5 hours. Despite the gap, a 4.5-hour window of shared business hours each day keeps real-time collaboration practical for both sides.

💡 Practical scheduling guidelines

✅

13:00–14:00 in IST (Mumbai) = 09:00–10:00 in CEST (Paris). Both sides are in standard business hours during this window.

✅

14:00–15:00 in IST (Mumbai) = 10:00–11:00 in CEST (Paris). Both sides are in standard business hours during this window.

✅

15:00–16:00 in IST (Mumbai) = 11:00–12:00 in CEST (Paris). Both sides are in standard business hours during this window.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

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

IST (Mumbai) ↔ CEST (Paris)

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

IST (Mumbai)

CEST (Paris)