04:00AM GMT is 09:30 AM IST
Reference Date: January 21, 2026
🕐 Live Current Time
GMT (Greenwich Mean Time)
--:-- --
IST (Indian Standard Time)
--:-- --
⏱ Times update every second. Automatically handles DST changes.
📍 Timezone Information
GMT (Greenwich Mean Time)
UTC Offset: +00:00
The mean solar time at the Royal Observatory in Greenwich, London.
IST (Indian Standard Time)
UTC Offset: +05:30
Used throughout India and Sri Lanka.
⏰ Time Difference: 5.5 hours
📊 Quick Reference Conversion Table
Complete GMT to IST time conversion chart (every 2 hours):
| GMT Time | IST Time | Period | Notes |
|---|---|---|---|
| 12:00 AM | 05:30 AM | night → morning | Same date |
| 02:00 AM | 07:30 AM | night → morning | Same date |
| 04:00 AM | 09:30 AM | night → morning | Same date |
| 06:00 AM | 11:30 AM | morning → morning | Same date |
| 08:00 AM | 01:30 PM | morning → afternoon | Same date |
| 10:00 AM | 03:30 PM | morning → afternoon | Same date |
| 12:00 PM | 05:30 PM | afternoon → evening | Same date |
| 02:00 PM | 07:30 PM | afternoon → evening | Same date |
| 04:00 PM | 09:30 PM | afternoon → night | Same date |
| 06:00 PM | 11:30 PM | evening → night | Same date |
| 08:00 PM | 01:30 AM (Jan 22) | evening → night | 📅 Date changes |
| 10:00 PM | 03:30 AM (Jan 22) | night → night | 📅 Date changes |
💡 Practical Tips for GMT to IST Conversions
📧 Good for sending emails/messages: While it's night in GMT, it's morning in IST - they'll read it during active hours.
✈ Travel tip: Expect 2-3 days of jet lag adjustment when flying between GMT and IST. Arrive well-rested and stay hydrated during your flight.
💻 Remote work consideration: If you're in GMT, avoid scheduling calls at 04:00AM unless your IST colleagues are comfortable with 09:30 AM calls.
🌍 Interesting Facts About These Timezones
Ireland also uses GMT, referred to as Irish Standard Time during winter months.
GMT was established in 1675 by King Charles II at the Royal Observatory.
The UK switches to BST (British Summer Time, UTC+1) during Daylight Saving Time.
Over 1.4 billion people live in the IST timezone, making it one of the most populous.
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): --:-- --