HST to EDT Time Converter
Use this HST to EDT time converter to compare United States and US East Coast time instantly. EDT is 6 hours ahead of HST, so 9:00 AM HST becomes 3:00 PM EDT and 5:00 PM HST becomes 11:00 PM EDT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
HST to EDT Quick Facts
Use this HST to EDT converter to compare United States and US East Coast time, check the 6 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM HST / 3:00 PM EDT.
How to Convert HST to EDT
Converting between Hawaii Standard Time and Eastern Daylight Time means accounting for a 6 hours gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Hawaii Standard Time (UTC -10) that you want to convert. Hit "Now" to load the current HST time instantly, or use "+1h" to step forward and compare.
The equivalent Eastern Daylight Time (UTC -4) time appears immediately. Since EDT is 6 hours ahead of HST, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the EDT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
Why Choose Our HST to EDT Converter
When someone in United States suggests 9:00 AM HST, that's 3:00 PM EDT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night HST times can land on a different date in EDT because of the 6 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
Daylight Saving adjustments can widen or narrow the HST–EDT gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in HST. Convert the event time to EDT so you know exactly when to tune in — with a 6 hours difference, a morning event in United States falls during work hours in United States.
HST to EDT Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Hawaii Standard Time to Eastern Daylight Time full day schedule
| Hawaii Standard Time | Eastern Daylight Time |
|---|---|
| 12:00 AM |
6:00 AM
|
| 1:00 AM |
7:00 AM
|
| 2:00 AM |
8:00 AM
|
| 3:00 AM |
9:00 AM
|
| 4:00 AM |
10:00 AM
|
| 5:00 AM |
11:00 AM
|
| 6:00 AM |
12:00 PM
|
| 7:00 AM |
1:00 PM
|
| 8:00 AM |
2:00 PM
|
| 9:00 AM |
3:00 PM
|
| 10:00 AM |
4:00 PM
|
| 11:00 AM |
5:00 PM
|
| 12:00 PM |
6:00 PM
|
| 1:00 PM |
7:00 PM
|
| 2:00 PM |
8:00 PM
|
| 3:00 PM |
9:00 PM
|
| 4:00 PM |
10:00 PM
|
| 5:00 PM |
11:00 PM
|
| 6:00 PM |
12:00 AM
(next day)
|
| 7:00 PM |
1:00 AM
(next day)
|
| 8:00 PM |
2:00 AM
(next day)
|
| 9:00 PM |
3:00 AM
(next day)
|
| 10:00 PM |
4:00 AM
(next day)
|
| 11:00 PM |
5:00 AM
(next day)
|
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Convert Other Time Zones to EDT
Find the time difference from any major zone into Eastern Daylight Time. Use these pages when scheduling with United States from a different region.