HST to EAT Converter
EAT is 13 hours ahead of HST
HST to EAT Conversion Table
Green rows indicate standard business hours (9 AM – 5 PM) in EAT
| 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 |
| 8:00 AM | 9:00 PM |
| 9:00 AM | 10:00 PM |
| 10:00 AM | 11:00 PM |
| 11:00 AM | 12:00 AM +1d |
| 12:00 PM | 1:00 AM +1d |
| 1:00 PM | 2:00 AM +1d |
| 2:00 PM | 3:00 AM +1d |
| 3:00 PM | 4:00 AM +1d |
| 4:00 PM | 5:00 AM +1d |
| 5:00 PM | 6:00 AM +1d |
| 6:00 PM | 7:00 AM +1d |
| 7:00 PM | 8:00 AM +1d |
| 8:00 PM | 9:00 AM +1d |
| 9:00 PM | 10:00 AM +1d |
| 10:00 PM | 11:00 AM +1d |
| 11:00 PM | 12:00 PM +1d |
Converting Hawaii Standard Time to East Africa Time
Hawaii Standard Time (HST) and East Africa Time (EAT) are separated by a 13 hours time difference. EAT is 13 hours ahead of HST. HST is UTC-10, used in United States, while EAT is UTC+3, used in Kenya, Ethiopia, Tanzania.
When converting from HST to EAT, the key reference points to remember are: 9:00 AM HST equals 10:00 PM EAT, 12:00 PM noon HST equals 1:00 AM EAT, and 5:00 PM HST equals 6:00 AM EAT. The conversion table above shows every hour of the day mapped between these two time zones.
Scheduling Across HST and EAT
For professionals scheduling meetings between HST and EAT, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 13 hours difference, the window of overlap may be limited, making early morning or late evening calls necessary for one party. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.
Daylight Saving Time Considerations
HST does not observe Daylight Saving Time, maintaining UTC-10 year-round. EAT does not observe DST, staying at UTC+3 year-round.