TimeToZone

IST to Tours Time Converter

CET is 4 hours 30 minutes behind IST. 9:00 AM IST = 4:30 AM CET.

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ISTfrom
India Standard Time
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Tours
Tours, France
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CET is 4 hours 30 minutes behind IST at the moment. To convert IST to Tours Time, subtract 4 hours 30 minutes from the IST time: 9:00 AM IST = 4:30 AM CET.

IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time). Tours Time (Tours time) is used in Tours, France.

IST here means India Standard Time, not Irish or Israel Standard Time.

IST to Tours Time time conversion table

IST to Tours Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

ISTTours TimeDay
12:00 AM IST7:30 PM CETprevious day
1:00 AM IST8:30 PM CETprevious day
2:00 AM IST9:30 PM CETprevious day
3:00 AM IST10:30 PM CETprevious day
4:00 AM IST11:30 PM CETprevious day
5:00 AM IST12:30 AM CETnight
6:00 AM IST1:30 AM CETnight
7:00 AM IST2:30 AM CETnight
8:00 AM IST3:30 AM CETnight
9:00 AM IST4:30 AM CETnight
10:00 AM IST5:30 AM CETnight
11:00 AM IST6:30 AM CET—
12:00 PM IST7:30 AM CET—
1:00 PM IST8:30 AM CET—
2:00 PM IST9:30 AM CETwork hours
3:00 PM IST10:30 AM CETwork hours
4:00 PM IST11:30 AM CETwork hours
5:00 PM IST12:30 PM CET—
6:00 PM IST1:30 PM CET—
7:00 PM IST2:30 PM CET—
8:00 PM IST3:30 PM CET—
9:00 PM IST4:30 PM CET—
10:00 PM IST5:30 PM CET—
11:00 PM IST6:30 PM CET—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert IST to Tours Time

Subtract 4 hours 30 minutes from the IST time to get Tours Time.

Example: 9:00 AM IST = 4:30 AM CET.

Across midnight: 1:00 AM IST = 8:30 PM CET (previous day). The date changes, so always check the day as well as the hour.

Time difference between IST and Tours Time

The time difference between IST and Tours Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 28 Mar 2026: Tours Time is 4 hours 30 minutes behind of IST.
  • 29 Mar 2026 – 24 Oct 2026: Tours Time is 3 hours 30 minutes behind of IST.
  • 25 Oct 2026 – 31 Dec 2026: Tours Time is 4 hours 30 minutes behind of IST.

IST and Tours Time during daylight saving time

  • IST does not observe daylight saving time; it stays on UTC+5:30 all year.
  • Tours Time next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).

Best time for a meeting between IST and Tours Time

IST and Tours Time share 3 hours 30 minutes of the 9 AM–5 PM working day. Any time between 1:30 PM and 5:00 PM IST lands between 9:00 AM and 12:30 PM CET, inside working hours for both.

Plan a meeting across more time zones.

IST to Tours Time FAQ

What is the time difference between IST and Tours Time?

Right now CET is 4 hours 30 minutes behind IST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM IST in Tours Time?

9:00 AM IST is 4:30 AM CET.

What is 12 PM (noon) IST in Tours Time?

12:00 PM IST is 7:30 AM CET.

Is Tours Time ahead of or behind IST?

CET is 4 hours 30 minutes behind IST, so it is earlier in Tours Time than in IST.

Does IST change for daylight saving time?

No. IST stays on the same offset all year, so conversions never shift for daylight saving time.

Does Tours Time change for daylight saving time?

Yes. Tours Time next changes on 28 Mar 2027, when clocks go forward one hour from CET to CEST.

What is the best time for a meeting between IST and Tours Time?

IST and Tours Time share 3 hours 30 minutes of the 9 AM–5 PM working day. Any time between 1:30 PM and 5:00 PM IST lands between 9:00 AM and 12:30 PM CET, inside working hours for both.

Related conversions

Convert Tours Time to IST

Convert IST to other time zones

Convert other time zones to Tours Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.