DevBentoUTC to IST: Convert UTC to India Standard Time
Convert UTC to India Standard Time (IST) instantly. IST is UTC+5:30 year round. No DST. Use this for scheduling with Indian development teams and services.
UTC to IST Conversion
UTC to India Standard Time is a constant conversion: IST is always UTC+5:30. Unlike many time zones, India does not observe daylight saving time, so the 5 hour 30 minute offset is the same every day of the year.
Why the Half Hour
India’s time zone is a legacy of the country’s independence. Before 1947, India had multiple time zones including Bombay Time (UTC+4:51) and Calcutta Time (UTC+5:53). The new national government needed a single standard. Calcutta wanted UTC+6:00. Bombay wanted UTC+5:00. The compromise was UTC+5:30, splitting the difference. Nepal later went a step further with UTC+5:45, the only quarter hour offset in the world.
Scheduling Across Continents
| UTC | IST | US Eastern (EST) |
|---|---|---|
| 00:00 | 05:30 | 7:00 PM (previous day) |
| 06:00 | 11:30 | 1:00 AM |
| 09:00 | 14:30 | 4:00 AM |
| 12:00 | 17:30 | 7:00 AM |
| 15:00 | 20:30 | 10:00 AM |
| 18:00 | 23:30 | 1:00 PM |
Practical Tips
- Indian work hours: Typically 9:30 AM to 6:00 PM IST (04:00 to 12:30 UTC)
- Best meeting time: 7:00 AM EST / 12:00 UTC / 5:30 PM IST
- GitHub Actions note: Cron schedules in UTC need offset adjustment if you run tasks aligned to IST. A 9:00 AM IST task runs at 03:30 UTC.
- API timestamps: Many Indian services return timestamps in IST. Always check the timezone suffix (
+05:30) before parsing.
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