EDT to AKDT Converter
Convert time between Eastern Daylight Time (EDT) and Alaska Daylight Time (AKDT)
Eastern Daylight Time (EDT)
Alaska Daylight Time (AKDT)
Time Difference
Alaska Daylight Time (AKDT) is 0 hours ahead of Eastern Daylight Time (EDT)
Select Date
Select Time
Quick Reference
| EDT | AKDT |
|---|---|
| 22:00 | 18:00 |
| 00:00 | 20:00 |
| 02:00 | 22:00 |
| 04:00 | 00:00 |
| 06:00 | 02:00 |
| 08:00 | 04:00 |
| 10:00 | 06:00 |
| 12:00 | 08:00 |
| 14:00 | 10:00 |
| 16:00 | 12:00 |
| 18:00 | 14:00 |
| 20:00 | 16:00 |
Top 10 Most Common Time Zones
| Abbreviation | Full Name | UTC Offset | Typical Use |
|---|---|---|---|
| UTC | Coordinated Universal Time | UTC ±0 | Global reference standard (servers, logs, APIs) |
| EST / EDT | Eastern (US) Time | UTC −5 / −4 | New York, Toronto — North American business hub |
| CST / CDT | Central (US) Time | UTC −6 / −5 | Chicago, Dallas — US central business region |
| PST / PDT | Pacific (US) Time | UTC −8 / −7 | San Francisco, Los Angeles — tech industry standard |
| GMT / BST | Greenwich Mean / British Summer Time | UTC 0 / +1 | UK, used globally as a reference with UTC |
| CET / CEST | Central European (Summer) Time | UTC +1 / +2 | Paris, Berlin, Amsterdam — EU business core |
| IST | India Standard Time | UTC +5:30 | India — major IT & outsourcing region |
| CST | China Standard Time | UTC +8 | Beijing, Shanghai — East Asia business hub |
| JST | Japan Standard Time | UTC +9 | Tokyo — finance & tech hub |
| AEST / AEDT | Australian Eastern (Daylight) Time | UTC +10 / +11 | Sydney, Melbourne — APAC regional business |
Why Time Zone Abbreviations Are Ambiguous
Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).
Common Ambiguous Time Zone Abbreviations
| Abbrev. | Common Meaning(s) | UTC Offset | Region(s) |
|---|---|---|---|
| CST | Central Standard Time / China Standard Time / Cuba Standard Time | UTC−6 / UTC+8 / UTC−5 | North America, China, Cuba |
| IST | Indian Standard Time / Irish Standard Time / Israel Standard Time | UTC+5:30 / UTC+1 / UTC+2 | India, Ireland, Israel |
| AST | Atlantic Standard Time / Arabia Standard Time | UTC−4 / UTC+3 | Caribbean, Canada, Middle East |
| PST | Pacific Standard Time / Philippine Standard Time | UTC−8 / UTC+8 | North America, Philippines |
| EST | Eastern Standard Time (North America / Australia) | UTC−5 / UTC+10 | North America, Australia |
✅ Best Practice
To avoid ambiguity, always:
- Use IANA tz identifiers — e.g.,
America/New_Yorkinstead of "EST" - Specify UTC offset explicitly — e.g.,
UTC−5when abbreviations must be used - Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset
About EDT to AKDT Time Conversion
Converting time between Eastern Daylight Time (EDT) and Alaska Daylight Time (AKDT) bridges New York, Washington DC, Atlanta, Miami, Toronto, and the rest of the US Eastern time zone with Anchorage and Fairbanks. EDT is UTC-4 while AKDT is UTC-8, placing AKDT 4 hours behind EDT.
This converter uses the IANA timezone database to ensure accurate calculations. Both regions follow the US daylight saving schedule — second Sunday in March to first Sunday in November — so the 4-hour offset is consistent throughout the DST window.
Common Use Cases for EDT to AKDT Conversion
Business & Work
- Scheduling meetings between East Coast US teams and Alaska-based partners
- Coordinating project deadlines across the US Eastern region and Alaska
- Planning conference calls between New York, Washington DC, or Atlanta and Anchorage
Personal & Travel
- Planning travel itineraries between the East Coast and Alaska
- Coordinating with family and friends in Alaska from the Eastern US
- Scheduling virtual events for EDT and AKDT audiences
Time Zone Information
Eastern Daylight Time (EDT)
- UTC Offset: UTC-4 (UTC-5 during EST)
- IANA Timezone: America/New_York
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: New York, Washington DC, Atlanta, Miami, Boston, Toronto, Montreal
- Coverage: Eastern United States and parts of Canada during daylight saving period
Alaska Daylight Time (AKDT)
- UTC Offset: UTC-8
- IANA Timezone: America/Anchorage
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: Anchorage, Fairbanks, Juneau, Sitka
- Coverage: Most of Alaska during daylight saving period
Quick Reference: EDT to AKDT
Remember: AKDT is always 4 hours behind EDT during overlapping daylight saving periods
Frequently Asked Questions
What is the time difference between EDT and AKDT?
Eastern Daylight Time (EDT) is UTC-4, while Alaska Daylight Time (AKDT) is UTC-8. AKDT is 4 hours behind EDT. When it is 12:00 PM in New York, it is 8:00 AM in Anchorage.
When does this EDT to AKDT conversion apply?
Both regions follow the US daylight saving schedule, from the second Sunday in March to the first Sunday in November. The 4-hour offset is consistent throughout the entire DST window.
How does the time difference change throughout the year?
When DST ends (first Sunday in November), Alaska switches to AKST (UTC-9) and the East Coast switches to EST (UTC-5). The 4-hour offset is preserved year-round because both transition on the same dates.
What are the best times for EDT-AKDT business calls?
Noon in New York (12:00 PM EDT) is 8:00 AM in Anchorage — a strong morning for AKDT and a workable noon for EDT. The 4-hour gap leaves a wide overlap during normal business hours.
Which countries/regions use AKDT timezone?
AKDT covers most of Alaska during daylight saving, including Anchorage, Fairbanks, Juneau, and Sitka. The Aleutian Islands use Hawaii-Aleutian Time and follow a different rule set.
Which countries/regions use EDT timezone?
EDT is observed in the Eastern United States and parts of Canada during daylight saving. Major cities include New York, Washington DC, Atlanta, Miami, Boston, Toronto, and Montreal.
Pro Tips
- • AKDT is 4 hours behind EDT — subtract 4 hours from a New York time to get the Anchorage time.
- • Both regions transition to/from DST on the same dates, so the 4-hour offset is stable throughout the DST window.
- • Best meeting window: 11:00 AM–5:00 PM EDT overlaps with 7:00 AM–1:00 PM AKDT — most of both regions' core working hours.
- • When DST ends in November, the offset stays at 4 hours (EST-AKST = UTC-5 vs UTC-9).
- • Use IANA identifiers (America/New_York and America/Anchorage) in calendar tools to handle DST transitions automatically.
- • For real-time collaboration, EDT afternoons sync with AKDT mornings — perfect for cross-region standups.