AKDT to EDT Converter
Convert time between Alaska Daylight Time (AKDT) and Eastern Daylight Time (EDT)
Alaska Daylight Time (AKDT)
Eastern Daylight Time (EDT)
Time Difference
Eastern Daylight Time (EDT) is 0 hours ahead of Alaska Daylight Time (AKDT)
Select Date
Select Time
Quick Reference
| AKDT | EDT |
|---|---|
| 18:00 | 22:00 |
| 20:00 | 00:00 |
| 22:00 | 02:00 |
| 00:00 | 04:00 |
| 02:00 | 06:00 |
| 04:00 | 08:00 |
| 06:00 | 10:00 |
| 08:00 | 12:00 |
| 10:00 | 14:00 |
| 12:00 | 16:00 |
| 14:00 | 18:00 |
| 16:00 | 20:00 |
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 AKDT to EDT Time Conversion
Converting time between Alaska Daylight Time (AKDT) and Eastern Daylight Time (EDT) bridges Anchorage and Fairbanks with New York, Washington DC, Atlanta, Miami, Toronto, and the rest of the US Eastern time zone. AKDT is UTC-8 while EDT is UTC-4, placing EDT 4 hours ahead of AKDT.
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. Use this converter for scheduling meetings, coordinating with East Coast partners, and planning travel.
Common Use Cases for AKDT to EDT Conversion
Business & Work
- Scheduling meetings between Alaska-based teams and East Coast partners
- Coordinating project deadlines across Alaska and the US Eastern region
- Planning conference calls between Anchorage and New York, Washington DC, or Atlanta
Personal & Travel
- Planning travel itineraries between Alaska and the East Coast
- Coordinating with family and friends in the Eastern US time zone
- Scheduling virtual events for AKDT and EDT audiences
Time Zone Information
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
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
Quick Reference: AKDT to EDT
Remember: EDT is always 4 hours ahead of AKDT during overlapping daylight saving periods
Frequently Asked Questions
What is the time difference between AKDT and EDT?
Alaska Daylight Time (AKDT) is UTC-8, while Eastern Daylight Time (EDT) is UTC-4. EDT is 4 hours ahead of AKDT. When it is 12:00 PM in Anchorage, it is 4:00 PM in New York.
When does this AKDT to EDT 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 AKDT-EDT business calls?
Morning in Anchorage (8:00 AM AKDT) is noon in New York — a strong overlap window. Late morning AKDT (10:00 AM) aligns with early afternoon EDT (2:00 PM). The 4-hour gap leaves a wide overlap during normal business hours.
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.
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.
Pro Tips
- • EDT is 4 hours ahead of AKDT — add 4 hours to an Anchorage time to get the New York 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: 7:00 AM–1:00 PM AKDT overlaps with 11:00 AM–5:00 PM EDT — most of both regions' core working hours.
- • When DST ends in November, the offset stays at 4 hours (AKST-EST = UTC-9 vs UTC-5).
- • Use IANA identifiers (America/Anchorage and America/New_York) in calendar tools to handle DST transitions automatically.
- • For real-time collaboration, AKDT mornings sync with EDT afternoons — perfect for cross-region standups.