Time Zone Converter – Convert World Time Zones

India Standard Time (IST) is UTC+5:30. India does not observe Daylight Saving Time, so this offset is constant throughout the year — making scheduling across India simple.

IST is 10 hours 30 minutes ahead of EST (UTC-5). During US Daylight Saving Time (EDT, UTC-4), the gap narrows to 9 hours 30 minutes. Most US-India work calls happen in the morning US time / evening India time overlap.

GMT (Greenwich Mean Time) and UTC (Coordinated Universal Time) both sit at zero offset and are effectively the same for practical purposes. UTC is the modern scientific standard based on atomic clocks, while GMT is a timezone used by the UK in winter.

9 AM IST equals 7:30 PM the previous day in PST (UTC-8). During US Daylight Saving Time (PDT, UTC-7), it would be 8:30 PM the previous day.

No, India does not observe Daylight Saving Time. IST is permanently set at UTC+5:30 throughout the year, unlike the US, UK, and Europe which shift their clocks seasonally.