Convert EAT to HST — Time Difference Between East Africa Time and Adak

How to Convert EAT to HST

Drag the slider on the EAT 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 EAT and HST?

Adak (HST) is 13 hours behind East Africa Time (EAT). To convert, subtract 13 hours — for example, 9:00 AM EAT is 8:00 PM (previous day) HST.

EAT to HST Quick Reference

EAT to HST Meeting Planner

Use the color-coded table above to find overlapping work hours between Addis Ababa and Adak. 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 EAT 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.