HST to EAT Converter
EAT is 13 hours ahead of HST. 9:00 AM HST = 10:00 PM EAT.
EAT is 13 hours ahead of HST. To convert HST to EAT, add 13 hours to the HST time: 9:00 AM HST = 10:00 PM EAT.
HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time). EAT (East Africa Time) is used in Kenya, Ethiopia, Tanzania, Uganda, Somalia.
HST to EAT time conversion table
HST to EAT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| HST | EAT |
|---|---|
| 12:00 AM | 1:00 PM |
| 1:00 AM | 2:00 PM |
| 2:00 AM | 3:00 PM |
| 3:00 AM | 4:00 PM |
| 4:00 AM | 5:00 PM |
| 5:00 AM | 6:00 PM |
| 6:00 AM | 7:00 PM |
| 7:00 AM | 8:00 PM |
| HST | EAT |
|---|---|
| 8:00 AM | 9:00 PM |
| 9:00 AM | 10:00 PM |
| 10:00 AM | 11:00 PM |
| 11:00 AM | 12:00 AM+1 |
| 12:00 PM | 1:00 AM+1 |
| 1:00 PM | 2:00 AM+1 |
| 2:00 PM | 3:00 AM+1 |
| 3:00 PM | 4:00 AM+1 |
| HST | EAT |
|---|---|
| 4:00 PM | 5:00 AM+1 |
| 5:00 PM | 6:00 AM+1 |
| 6:00 PM | 7:00 AM+1 |
| 7:00 PM | 8:00 AM+1 |
| 8:00 PM | 9:00 AM+1 |
| 9:00 PM | 10:00 AM+1 |
| 10:00 PM | 11:00 AM+1 |
| 11:00 PM | 12:00 PM+1 |
Conversion table from HST to EAT for 6 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in EAT, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert HST to EAT
Add 13 hours to the HST time to get EAT.
Example: 9:00 AM HST = 10:00 PM EAT.
Across midnight: 10:00 PM HST = 11:00 AM EAT (next day). The date changes, so always check the day as well as the hour.
Time difference between HST and EAT
The time difference between HST and EAT is 13 hours all year – EAT is ahead of HST.
HST and EAT during daylight saving time
- HST does not observe daylight saving time; it stays on UTC−10 all year.
- EAT does not observe daylight saving time; it stays on UTC+3 all year.
Best time for a meeting between HST and EAT
HST and EAT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 8:00 PM EAT.
HST to EAT FAQ
What is the time difference between HST and EAT?
EAT is 13 hours ahead of HST all year. 9:00 AM HST = 10:00 PM EAT.
What is 9 AM HST in EAT?
9:00 AM HST is 10:00 PM EAT.
What is 12 PM (noon) HST in EAT?
12:00 PM HST is 1:00 AM EAT (next day).
Is EAT ahead of or behind HST?
EAT is 13 hours ahead of HST, so it is later in EAT than in HST.
Does HST change for daylight saving time?
No. HST stays on the same offset all year, so conversions never shift for daylight saving time.
Does EAT change for daylight saving time?
No. EAT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between HST and EAT?
HST and EAT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM HST, which is 8:00 PM EAT.
Related conversions
Convert EAT to HST
Convert HST to other time zones
Convert other time zones to EAT
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.