11:30PM IST is 06:00 PM 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
📧 Good for sending emails/messages: While it's night in IST, it's evening in GMT - they'll read it during active hours.
✈ 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.
🏏 Good time for Indians to catch UK afternoon events or European football matches live.
💻 Remote work consideration: If you're in IST, avoid scheduling calls at 11:30PM unless your GMT colleagues are comfortable with 06:00 PM calls.
🌍 Interesting Facts About These Timezones
Sri Lanka also follows IST, sharing the same time offset as India.
IST is 5 hours and 30 minutes ahead of GMT, one of the few half-hour offset timezones.
IST was standardized in 1906 to coordinate Indian railway operations across the subcontinent.
Ireland also uses GMT, referred to as Irish Standard Time during winter months.
Many international broadcasts and aviation use GMT/UTC as the reference time standard.
🔄 Custom Time Converter
Convert any time between timezones instantly:
Your local time (Hyderabad, IST): --:-- --