Convert HST to -01 — Time Difference Between Hawaii Standard Time and Cape Verde

How to Convert HST to -01

Drag the slider on the HST timeline to pick your time — the -01 time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.

What Is the Time Difference Between HST and -01?

Cape Verde (-01) is 9 hours ahead of Hawaii Standard Time (HST). To convert, add 9 hours — for example, 9:00 AM HST is 6:00 PM -01.

HST to -01 Quick Reference

HST to -01 Meeting Planner

Use the color-coded table above to find overlapping work hours between Honolulu and Cape Verde. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.

Why Trust This HST to -01 Converter?

Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.