HST to IST Converter
Hawaii Time
8:51:59 PM HST
Saturday, June 27, 2026
15h 30m
15h 30m
India Time
12:21:59 PM IST
Sunday, June 28, 2026
India Time (IST) is 15.5 hours ahead of Hawaii Time (HST).
Quick Reference
- Hawaii Time
- HST (GMT-10)
No Daylight Saving Time
- India Time
- IST (GMT+5:30)
No Daylight Saving Time
Cities in HST
Cities in IST
Frequently Asked Questions
- What is the difference between HST and IST?
- IST is 15.5 hours ahead of HST.
- How do I convert HST to IST?
- To convert from HST to IST, add 15.5 hours. Use the interactive converter on this page to convert specific times.
- What cities are in HST and IST?
- Cities in HST include Honolulu, Hilo, Kahului, Kaneohe, Kapolei. Cities in IST include Mumbai, Delhi, Bengaluru, Hyderabad, Kolkata.