SST to EDT Converter
Convert time between Samoa Standard Time (SST) and Eastern Daylight Time (EDT)
Samoa Standard Time (SST)
Eastern Daylight Time (EDT)
Time Difference
Eastern Daylight Time (EDT) is 0 hours ahead of Samoa Standard Time (SST)
Select Date
Select Time
Quick Reference
| SST | EDT |
|---|---|
| 15:00 | 22:00 |
| 17:00 | 00:00 |
| 19:00 | 02:00 |
| 21:00 | 04:00 |
| 23:00 | 06:00 |
| 01:00 | 08:00 |
| 03:00 | 10:00 |
| 05:00 | 12:00 |
| 07:00 | 14:00 |
| 09:00 | 16:00 |
| 11:00 | 18:00 |
| 13:00 | 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 SST to EDT Time Conversion
Converting time between Samoa Standard Time (SST) and Eastern Daylight Time (EDT) bridges the South Pacific and the eastern United States. SST is UTC-11 and stays constant year-round (American Samoa does not observe daylight saving time), while EDT is UTC-4. That makes EDT 7 hours ahead of SST during the US daylight saving period — from the second Sunday in March to the first Sunday in November. Outside that window the eastern US is on EST (UTC-5) and the gap shrinks to 6 hours.
This converter uses the IANA timezone database (America/New_York) to handle DST transitions automatically. Whether you're booking a call between Pago Pago and New York, Toronto, or Atlanta during the summer months, or coordinating with East Coast teams across hemispheres, the tool removes the manual offset arithmetic.
Common Use Cases for SST to EDT Conversion
Business & Work
- Scheduling video calls between American Samoa and New York, Toronto, or Miami in summer
- Coordinating Pacific–US East Coast remote team handoffs
- Planning conference calls that bridge Samoan and Eastern working hours
Personal & Travel
- Calling family in the US East Coast or eastern Canada from American Samoa
- Planning flight connections via Los Angeles or Honolulu to New York
- Watching live NBA, NHL, or NFL games streamed during American summer
Time Zone Information
Samoa Standard Time (SST)
- UTC Offset: UTC-11
- IANA Timezone: Pacific/Pago_Pago
- Daylight Saving: None - American Samoa does not observe daylight saving time
- Major Cities: Pago Pago, Tafuna, Nu'uuli, Faleniu, Aua
- Coverage: American Samoa and Midway Atoll
Eastern Daylight Time (EDT)
- UTC Offset: UTC-4
- IANA Timezone: America/New_York
- Daylight Saving: Second Sunday in March to first Sunday in November (EDT)
- Major Cities: New York, Toronto, Washington DC, Miami, Atlanta
- Coverage: US Eastern time zone and eastern Canada during summer months
Quick Reference: SST to EDT
Remember: EDT is 7 hours ahead of SST. Outside US daylight saving (early November to mid-March) the eastern US is on EST (UTC-5) and the gap is 6 hours.
Frequently Asked Questions
What is the time difference between SST and EDT?
Samoa Standard Time (SST) is UTC-11, while Eastern Daylight Time (EDT) is UTC-4. EDT is 7 hours ahead of SST. When it is 12:00 PM in Pago Pago, it is 7:00 PM the same day in New York or Toronto.
When does this SST to EDT conversion apply?
It applies during US daylight saving, from the second Sunday in March to the first Sunday in November. Outside that window the eastern US is on EST (UTC-5) and the gap drops to 6 hours. American Samoa stays on SST (UTC-11) year-round.
How does the time difference change throughout the year?
The gap is 7 hours during EDT (mid-March to early November) and 6 hours during EST (early November to mid-March). American Samoa never observes daylight saving, so any seasonal change comes from the US side.
What are the best times for SST–EDT business calls?
Early morning SST aligns with afternoon EDT. For example, 7:00–9:00 AM SST is 2:00–4:00 PM EDT, fitting comfortably inside the New York or Toronto working day.
Which countries and regions use EDT?
EDT is observed across the US Eastern time zone in summer, including New York, Washington DC, Boston, Atlanta, and Miami. Eastern Canada (Toronto, Ottawa, Montreal) also uses EDT. Several Caribbean islands stay on EST year-round and do not observe EDT.
Which countries and regions use SST?
Samoa Standard Time (UTC-11) is used in American Samoa and the uninhabited Midway Atoll. The independent state of Samoa is on UTC+13, on the opposite side of the international date line. Major American Samoa locations include Pago Pago, Tafuna, and Nu’uuli.
Pro Tips
- • EDT is 7 hours ahead of SST during US summer; Pago Pago noon is 7:00 PM in New York.
- • When the eastern US switches to EST in early November the gap drops to 6 hours; re-pin recurring meetings.
- • Early morning Pago Pago aligns with mid-afternoon East Coast — a strong overlap for live calls.
- • American Samoa never observes daylight saving, so any seasonal shift is from the US side.
- • EDT crossings to next-day happen at 5:00 PM SST and later — confirm the date when scheduling.
- • For one-off calls, double-check the IANA zones (Pacific/Pago_Pago, America/New_York) in your calendar tool.