04:30AM IST is 11:00 PM GMT (previous day: January 20, 2026)
Reference Date: January 21, 2026
⚠️ Date Change Alert
This time conversion crosses midnight into a different calendar date. 04:30AM IST on January 21, 2026 becomes 11:00 PM GMT on January 20, 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
🌙 Both locations are in typical sleep hours (4:00 and 23:00). Reserve this time for emergency communications only.
✈ 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.
💻 Remote work consideration: If you're in IST, avoid scheduling calls at 04:30AM unless your GMT colleagues are comfortable with 11:00 PM calls.
🌍 Interesting Facts About These Timezones
Sri Lanka also follows IST, sharing the same time offset as India.
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.
Ireland also uses GMT, referred to as Irish Standard Time during winter months.
IST was standardized in 1906 to coordinate Indian railway operations across the subcontinent.
🔄 Custom Time Converter
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Your local time (Hyderabad, IST): --:-- --