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Convert IST to GMT Time - Mumbai to London

Convert India Standard Time (IST) to Greenwich Mean Time (GMT, UTC+0) with our professional time zone converter. Designed for international business meetings between Mumbai to London, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling.

🇮🇳
IST
India Standard Time
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🌍
GMT
Greenwich Mean Time
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Select a time to convert
Time Difference
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Your Local Time
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UTC Time
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IST to GMT Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

India Standard Time to Greenwich Mean Time full day schedule

🇮🇳
12:00 AM
IST
→
6:30 PM
GMT
(previous day)
🌍
🇮🇳
1:00 AM
IST
→
7:30 PM
GMT
(previous day)
🌍
🇮🇳
2:00 AM
IST
→
8:30 PM
GMT
(previous day)
🌍
🇮🇳
3:00 AM
IST
→
9:30 PM
GMT
(previous day)
🌍
🇮🇳
4:00 AM
IST
→
10:30 PM
GMT
(previous day)
🌍
🇮🇳
5:00 AM
IST
→
11:30 PM
GMT
(previous day)
🌍
🇮🇳
6:00 AM
IST
→
12:30 AM
GMT
🌍
🇮🇳
7:00 AM
IST
→
1:30 AM
GMT
🌍
🇮🇳
8:00 AM
IST
→
2:30 AM
GMT
🌍
🇮🇳
9:00 AM
IST
→
3:30 AM
GMT
🌍
🇮🇳
10:00 AM
IST
→
4:30 AM
GMT
🌍
🇮🇳
11:00 AM
IST
→
5:30 AM
GMT
🌍
🇮🇳
12:00 PM
IST
→
6:30 AM
GMT
🌍
🇮🇳
1:00 PM
IST
→
7:30 AM
GMT
🌍
🇮🇳
2:00 PM
IST
→
8:30 AM
GMT
🌍
🇮🇳
3:00 PM
IST
→
9:30 AM
GMT
🌍
🇮🇳
4:00 PM
IST
→
10:30 AM
GMT
🌍
🇮🇳
5:00 PM
IST
→
11:30 AM
GMT
🌍
🇮🇳
6:00 PM
IST
→
12:30 PM
GMT
🌍
🇮🇳
7:00 PM
IST
→
1:30 PM
GMT
🌍
🇮🇳
8:00 PM
IST
→
2:30 PM
GMT
🌍
🇮🇳
9:00 PM
IST
→
3:30 PM
GMT
🌍
🇮🇳
10:00 PM
IST
→
4:30 PM
GMT
🌍
🇮🇳
11:00 PM
IST
→
5:30 PM
GMT
🌍

Best Meeting Times for IST and GMT

Optimal Collaboration Hours

Best times for IST ↔ GMT meetings and calls

✅ Business hours overlap available

Recommended Meeting Windows

3:00 PM IST → 9:30 AM GMT
Perfect for both time zones
4:00 PM IST → 10:30 AM GMT
Perfect for both time zones
5:00 PM IST → 11:30 AM GMT
Perfect for both time zones

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

Frequently Asked Questions

What is the Indian Standard Time (IST) to Greenwich Mean Time (GMT) conversion?

The IST to GMT conversion involves converting Indian Standard Time (IST), UTC+5:30, to Greenwich Mean Time (GMT), UTC+0:00. This conversion is essential for coordinating schedules across these two time zones.

How many hours is IST ahead of GMT?

Indian Standard Time (IST) is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT). Therefore, at 12:00 PM IST, it will be 6:30 AM GMT on the same day.

How do I convert IST time to GMT time using your online tool?

To convert IST to GMT using our online tool at iformat.io, enter the desired IST time into the input field. The converter automatically calculates and displays the corresponding GMT, making it quick and easy.

What is the best tool to convert IST to GMT?

The best tool to convert IST to GMT is our free online converter at iformat.io. It provides real-time calculations and is user-friendly, ensuring accurate conversions between these two time zones.

What are the typical working hours for scheduling meetings between IST and GMT?

The typical working hours for scheduling meetings between IST and GMT are generally between 2:30 PM and 6:00 PM IST, which corresponds to 9:00 AM and 12:30 PM GMT. This range accommodates working hours in both regions.

Can I use your IST to GMT converter on mobile devices?

Our IST to GMT converter is optimized for mobile devices, including iPhones and Android phones. Through iformat.io, you can easily access it on any device and perform conversions on the go.

How does Daylight Saving Time affect the conversion from GMT?

Greenwich Mean Time (GMT) does not observe Daylight Saving Time; therefore, the offset remains constant throughout the year. This consistency simplifies planning since GMT does not have seasonal changes.
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