EST to SST Converter
Convert time between Eastern Standard Time (EST) and Samoa Standard Time (SST)
Eastern Standard Time (EST)
Samoa Standard Time (SST)
Time Difference
Samoa Standard Time (SST) is 0 hours ahead of Eastern Standard Time (EST)
Select Date
Select Time
Quick Reference
| EST | SST |
|---|---|
| 22:00 | 15:00 |
| 00:00 | 17:00 |
| 02:00 | 19:00 |
| 04:00 | 21:00 |
| 06:00 | 23:00 |
| 08:00 | 01:00 |
| 10:00 | 03:00 |
| 12:00 | 05:00 |
| 14:00 | 07:00 |
| 16:00 | 09:00 |
| 18:00 | 11:00 |
| 20:00 | 13:00 |
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 EST to SST Time Conversion
Converting time between Eastern Standard Time (EST) and Samoa Standard Time (SST) bridges the eastern United States and the South Pacific. EST is UTC-5, while SST is UTC-11 and stays constant year-round (American Samoa does not observe daylight saving time). That makes SST 6 hours behind EST during the US winter — from the first Sunday in November to the second Sunday in March. From mid-March to early November the eastern US shifts to EDT (UTC-4) and the gap widens to 7 hours.
This converter uses the IANA timezone database (America/New_York) to handle DST transitions automatically. Whether you're booking a call between New York, Toronto, or Miami and Pago Pago in winter, or coordinating with Pacific-based teams across hemispheres, the tool removes the manual offset arithmetic.
Common Use Cases for EST to SST Conversion
Business & Work
- Scheduling video calls between New York, Toronto, or Miami and American Samoa in winter
- Coordinating US East Coast–Pacific remote team handoffs
- Planning conference calls that bridge Eastern and Samoan working hours
Personal & Travel
- Calling family in American Samoa from the US East Coast or eastern Canada
- Planning flight connections via Los Angeles or Honolulu from New York
- Coordinating watch parties for live NBA, NHL, or NFL games during the American winter
Time Zone Information
Eastern Standard Time (EST)
- UTC Offset: UTC-5 (UTC-4 during EDT)
- IANA Timezone: America/New_York
- Daylight Saving: EST is the standard offset; switches to EDT (UTC-4) mid-March to early November
- Major Cities: New York, Toronto, Washington DC, Miami, Atlanta
- Coverage: US Eastern time zone and eastern Canada during winter months
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
Quick Reference: EST to SST
Remember: SST is 6 hours behind EST. From mid-March to early November the eastern US shifts to EDT (UTC-4) and the gap becomes 7 hours.
Frequently Asked Questions
What is the time difference between EST and SST?
Eastern Standard Time (EST) is UTC-5, while Samoa Standard Time (SST) is UTC-11. SST is 6 hours behind EST. When it is 12:00 PM in New York, it is 6:00 AM in Pago Pago.
When does this EST to SST conversion apply?
It applies during US winter, from the first Sunday in November to the second Sunday in March. From mid-March to early November the eastern US shifts to EDT (UTC-4) and the gap widens to 7 hours. American Samoa stays on SST (UTC-11) year-round.
How does the time difference change throughout the year?
The gap is 6 hours during EST (early November to mid-March) and 7 hours during EDT (mid-March to early November). American Samoa never observes daylight saving, so any seasonal change comes from the US side.
What are the best times for EST–SST business calls?
A 6-hour gap leaves a comfortable afternoon overlap: 3:00 PM EST is 9:00 AM SST. Late-morning Pago Pago and early-afternoon New York is the most usable live-call window.
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.
Which countries and regions use EST?
Eastern Standard Time covers the US East Coast and eastern Canada during winter — from Florida up through Maine, plus Ontario and Quebec. Major cities include New York, Toronto, Washington DC, Miami, and Atlanta.
Pro Tips
- • SST is 6 hours behind EST — both sides normally share the same calendar day.
- • American Samoa never observes daylight saving, so any seasonal shift comes from the US side switching between EST and EDT.
- • During US daylight saving (mid-March to early November) the eastern US is on EDT (UTC-4) and the gap becomes 7 hours.
- • Early afternoon EST and morning SST is the most workable overlap window for live calls.
- • Recurring meetings drift twice a year unless you re-pin them around the EST/EDT switch.
- • For one-off calls, double-check the IANA zones (America/New_York, Pacific/Pago_Pago) in your calendar tool.