TimezoneHop

IST to GST Converter

GST is 1 hour 30 minutes behind IST. When it is 9:00 AM in IST, it is 7:30 AM in GST.

For local times that follow daylight saving, use the New Delhi to Dubai converter.

Convert IST to GST

Live
  1. ISTIST (UTC+5:30)
    11:57 AMThu, Nov 5
  2. GSTGST (UTC+4), 1 hour 30 minutes behind
    10:27 AMThu, Nov 5
Thursday, November 5, 2026

IST to GST time table

ISTGST
12:00 AM10:30 PMprevious day
1:00 AM11:30 PMprevious day
2:00 AM12:30 AM
3:00 AM1:30 AM
4:00 AM2:30 AM
5:00 AM3:30 AM
6:00 AM4:30 AM
7:00 AM5:30 AM
8:00 AM6:30 AM
9:00 AM7:30 AM
10:00 AM8:30 AM
11:00 AM9:30 AM
12:00 PM10:30 AM
1:00 PM11:30 AM
2:00 PM12:30 PM
3:00 PM1:30 PM
4:00 PM2:30 PM
5:00 PM3:30 PM
6:00 PM4:30 PM
7:00 PM5:30 PM
8:00 PM6:30 PM
9:00 PM7:30 PM
10:00 PM8:30 PM
11:00 PM9:30 PM

Best time for a meeting

The best time to meet is 10:30 AM–5:00 PM in IST (9:00 AM–3:30 PM in GST), when both are within 9 AM–5 PM working hours.

Daylight saving changes

IST and GST are fixed UTC offsets, so the difference between them never changes.

More about these times

Convert IST to other places

Convert other places to GST