Hawaii Time is 6 hours behind Eastern Time right now (until Oct 31, 2026); the gap changes to 5 hours when clocks change for daylight saving time. So 12:00 PM EDT = 6:00 AM HST at the moment. (Eastern Time is on EDT for daylight saving time right now.)
EST to HST conversion table
| EST | HST when EST is EDT | HST when EST is EST |
|---|---|---|
| 12:00 AM | 6:00 PM −1 day | 7:00 PM −1 day |
| 1:00 AM | 7:00 PM −1 day | 8:00 PM −1 day |
| 2:00 AM | 8:00 PM −1 day | 9:00 PM −1 day |
| 3:00 AM | 9:00 PM −1 day | 10:00 PM −1 day |
| 4:00 AM | 10:00 PM −1 day | 11:00 PM −1 day |
| 5:00 AM | 11:00 PM −1 day | 12:00 AM |
| 6:00 AM | 12:00 AM | 1:00 AM |
| 7:00 AM | 1:00 AM | 2:00 AM |
| 8:00 AM | 2:00 AM | 3:00 AM |
| 9:00 AM | 3:00 AM | 4:00 AM |
| 10:00 AM | 4:00 AM | 5:00 AM |
| 11:00 AM | 5:00 AM | 6:00 AM |
| 12:00 PM | 6:00 AM | 7:00 AM |
| 1:00 PM | 7:00 AM | 8:00 AM |
| 2:00 PM | 8:00 AM | 9:00 AM |
| 3:00 PM | 9:00 AM | 10:00 AM |
| 4:00 PM | 10:00 AM | 11:00 AM |
| 5:00 PM | 11:00 AM | 12:00 PM |
| 6:00 PM | 12:00 PM | 1:00 PM |
| 7:00 PM | 1:00 PM | 2:00 PM |
| 8:00 PM | 2:00 PM | 3:00 PM |
| 9:00 PM | 3:00 PM | 4:00 PM |
| 10:00 PM | 4:00 PM | 5:00 PM |
| 11:00 PM | 5:00 PM | 6:00 PM |
EST and HST difference through 2027
The gap between the two zones on each date range, including daylight saving time changes:
| Dates | Eastern Time | Hawaii Time | Difference |
|---|---|---|---|
| Sep 30, 2026 – Oct 31, 2026 | EDT (UTC−4) | HST (UTC−10) | HST 6 hours behind |
| Nov 1, 2026 – Mar 13, 2027 | EST (UTC−5) | HST (UTC−10) | HST 5 hours behind |
| Mar 14, 2027 – Nov 6, 2027 | EDT (UTC−4) | HST (UTC−10) | HST 6 hours behind |
| Nov 7, 2027 – Dec 31, 2027 | EST (UTC−5) | HST (UTC−10) | HST 5 hours behind |
Best time to meet or call
- When HST is 6 hours behind EST: Working hours (9 AM–5 PM) overlap from 3:00 PM–5:00 PM EST (9:00 AM–11:00 AM HST), about 2 hours.
- When HST is 5 hours behind EST: Working hours (9 AM–5 PM) overlap from 2:00 PM–5:00 PM EST (9:00 AM–12:00 PM HST), about 3 hours.
About Eastern Time (EST)
The Eastern time zone uses EST (UTC−5) in winter and EDT (UTC−4) during daylight saving time, from the second Sunday in March to the first Sunday in November. It's used in New York, Washington DC, Boston, Atlanta, Miami, Detroit and Toronto.
About Hawaii Time (HST)
Hawaii stays on HST (UTC−10) all year and does not observe daylight saving time. It's used in Honolulu and all of Hawaii.
Frequently asked questions
What time is 12 PM EST in HST?
12:00 PM EDT is 6:00 AM HST right now (Sep 30, 2026 to Oct 31, 2026). The answer changes when either zone changes its clocks for daylight saving time.
How many hours ahead or behind is HST from EST?
Currently 6 hours behind EST. During the year the difference is 6 hours behind EST or 5 hours behind EST, depending on daylight saving time. See the table on this page for exact dates.
Does EST change for daylight saving time?
Yes. The Eastern time zone uses EST (UTC−5) in winter and EDT (UTC−4) during daylight saving time, from the second Sunday in March to the first Sunday in November.
Does HST change for daylight saving time?
No. Hawaii stays on HST (UTC−10) all year and does not observe daylight saving time.
What is the best time for a call between EST and HST?
Right now, working hours overlap from 3:00 PM–5:00 PM EST (9:00 AM–11:00 AM HST), about 2 hours.
Is it EST or EDT right now?
Eastern Time uses EST in winter and EDT from the second Sunday in March to the first Sunday in November. The live clock on this page shows which one applies today.
More time zone conversions
Sources
Reviewed by Gurmej Singh, Founder, Divy Digital Hub · Last reviewed: Wednesday, September 30, 2026. All calculations run in your browser. Editorial policy.