10:30PM IST is 05:00 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
🌅 Perfect for asynchronous communication: Evening in IST aligns with business hours in GMT (17:00).
📧 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 10:30PM unless your GMT colleagues are comfortable with 05:00 PM calls.
🌍 Interesting Facts About These Timezones
The UK switches to BST (British Summer Time, UTC+1) during Daylight Saving Time.
India does not observe Daylight Saving Time, keeping IST consistent year-round.
Over 1.4 billion people live in the IST timezone, making it one of the most populous.
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.
🔄 Custom Time Converter
Convert any time between timezones instantly:
Your local time (Hyderabad, IST): --:-- --