11:00AM IST is 05:30 AM GMT
Reference Date: January 21, 2026
🕐 Live Current Time
IST (Indian Standard Time)
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GMT (Greenwich Mean Time)
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⏱ Times update every second. Automatically handles DST changes.
📍 Timezone Information
IST (Indian Standard Time)
UTC Offset: +05:30
Used throughout India and Sri Lanka.
GMT (Greenwich Mean Time)
UTC Offset: +00:00
The mean solar time at the Royal Observatory in Greenwich, London.
⏰ Time Difference: 5.5 hours
📊 Quick Reference Conversion Table
Complete IST to GMT time conversion chart (every 2 hours):
| IST Time | GMT Time | Period | Notes |
|---|---|---|---|
| 12:00 AM | 06:30 PM (Jan 20) | night → evening | 📅 Date changes |
| 02:00 AM | 08:30 PM (Jan 20) | night → evening | 📅 Date changes |
| 04:00 AM | 10:30 PM (Jan 20) | night → night | 📅 Date changes |
| 06:00 AM | 12:30 AM | morning → night | Same date |
| 08:00 AM | 02:30 AM | morning → night | Same date |
| 10:00 AM | 04:30 AM | morning → night | Same date |
| 12:00 PM | 06:30 AM | afternoon → morning | Same date |
| 02:00 PM | 08:30 AM | afternoon → morning | Same date |
| 04:00 PM | 10:30 AM | afternoon → morning | Same date |
| 06:00 PM | 12:30 PM | evening → afternoon | Same date |
| 08:00 PM | 02:30 PM | evening → afternoon | Same date |
| 10:00 PM | 04:30 PM | night → afternoon | Same date |
💡 Practical Tips for IST to GMT Conversions
✗ Not ideal for meetings: 11:00AM IST falls outside business hours in GMT (5:00 - late night/early morning).
✈ Travel tip: Expect 2-3 days of jet lag adjustment when flying between IST and GMT. Arrive well-rested and stay hydrated during your flight.
📞 Popular time for India-UK business calls. Many UK companies schedule India liaisons during this window.
🌍 Interesting Facts About These Timezones
GMT was established in 1675 by King Charles II at the Royal Observatory.
GMT is based on the Prime Meridian at 0° longitude, passing through Greenwich, London.
IST was standardized in 1906 to coordinate Indian railway operations across the subcontinent.
Over 1.4 billion people live in the IST timezone, making it one of the most populous.
Sri Lanka also follows IST, sharing the same time offset as India.
🔄 Custom Time Converter
Convert any time between timezones instantly:
Your local time (Hyderabad, IST): --:-- --