HST to NST Converter
Newfoundland Time (NST / NDT) is 7.5 hours ahead of Hawaii Time (HST).
Quick Reference
- Hawaii Time
- HST (GMT-10)
No Daylight Saving Time
- Newfoundland Time
- NDT (GMT-2:30)
NST starts on Nov 1, 2026
Cities in HST
Cities in NST
Frequently Asked Questions
- What is the difference between HST and NST?
- NST is 7.5 hours ahead of HST.
- How do I convert HST to NST?
- To convert from HST to NST, add 7.5 hours. Use the interactive converter on this page to convert specific times.
- What cities are in HST and NST?
- Cities in HST include Honolulu. Cities in NST include St. John's.