Convert AWST to HST — Time Difference Between Australian Western Standard Time and Hawaii Standard Time

How to Convert AWST to HST

Drag the slider on the AWST timeline to pick your time — the HST 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 AWST and HST?

Hawaii Standard Time (HST) is 18 hours behind Australian Western Standard Time (AWST). To convert, subtract 18 hours — for example, 9:00 AM AWST is 3:00 PM (previous day) HST.

AWST to HST Quick Reference

AWST to HST Meeting Planner

Use the color-coded table above to find overlapping work hours between Perth and Honolulu. 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 AWST to HST 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.