SST to GST Converter
Convert time between Samoa Standard Time (SST) and Gulf Standard Time (GST)
Samoa Standard Time (SST)
Gulf Standard Time (GST)
Time Difference
Gulf Standard Time (GST) is 0 hours ahead of Samoa Standard Time (SST)
Select Date
Select Time
Quick Reference
| SST | GST |
|---|---|
| 15:00 | 06:00 |
| 17:00 | 08:00 |
| 19:00 | 10:00 |
| 21:00 | 12:00 |
| 23:00 | 14:00 |
| 01:00 | 16:00 |
| 03:00 | 18:00 |
| 05:00 | 20:00 |
| 07:00 | 22:00 |
| 09:00 | 00:00 |
| 11:00 | 02:00 |
| 13:00 | 04:00 |
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 GST Time Conversion
Converting time between Samoa Standard Time (SST) and Gulf Standard Time (GST) bridges the South Pacific and the Arabian Peninsula. SST is UTC-11 and GST is UTC+4, making GST 15 hours ahead of SST. Both timezones are stable year-round — American Samoa never observes daylight saving, and the Gulf states (UAE, Oman) do not observe DST either. The 15-hour offset is identical every day of the year.
This converter uses the IANA timezone database (Asia/Dubai) to give accurate results. Whether you're booking a call between Pago Pago and Dubai or Muscat, coordinating with Gulf-based teams, or planning travel via the Middle East, the tool removes the manual offset arithmetic for one of the more dramatic transpacific gaps.
Common Use Cases for SST to GST Conversion
Business & Work
- Scheduling video calls between American Samoa and Dubai, Abu Dhabi, or Muscat
- Coordinating Pacific–Gulf logistics, energy, and shipping operations
- Planning conference calls that bridge Samoan and Gulf working hours
Personal & Travel
- Calling family in the UAE or Oman from American Samoa
- Planning travel itineraries connecting through Dubai
- Coordinating events with Middle Eastern audiences
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
Gulf Standard Time (GST)
- UTC Offset: UTC+4
- IANA Timezone: Asia/Dubai
- Daylight Saving: None - the Gulf states do not observe daylight saving time
- Major Cities: Dubai, Abu Dhabi, Sharjah, Muscat, Al Ain
- Coverage: United Arab Emirates and Oman
Quick Reference: SST to GST
Remember: GST is always 15 hours ahead of SST. Neither side observes daylight saving, so the offset is stable year-round.
Frequently Asked Questions
What is the time difference between SST and GST?
Samoa Standard Time (SST) is UTC-11, while Gulf Standard Time (GST) is UTC+4. GST is 15 hours ahead of SST. When it is 12:00 PM in Pago Pago, it is 3:00 AM the next day in Dubai or Muscat.
When does this SST to GST conversion apply?
It applies year-round. Neither side observes daylight saving — American Samoa stays on SST (UTC-11) and the UAE and Oman stay on GST (UTC+4). The 15-hour offset is stable every day of the year.
How does the time difference change throughout the year?
It does not. Both SST and GST are fixed offsets with no daylight saving, so the gap stays at 15 hours regardless of season. That makes recurring meetings between American Samoa and the Gulf states easier to maintain.
What are the best times for SST–GST business calls?
The 15-hour offset is challenging — Pago Pago evening aligns with Gulf morning. For example, 6:00–9:00 PM SST is 9:00 AM–12:00 PM GST the next day, comfortable for both Pago Pago evening and Dubai morning.
Which countries and regions use GST?
Gulf Standard Time is used in the United Arab Emirates and Oman. Major cities include Dubai, Abu Dhabi, Sharjah, and Muscat. Other Gulf countries like Saudi Arabia, Kuwait, and Qatar use Arabia Standard Time (AST, UTC+3) instead.
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
- • GST is always 15 hours ahead of SST — no DST anywhere in this pair, so the offset is stable year-round.
- • Recurring SST↔GST meetings hold their times all year, unlike most US-side conversions.
- • Pago Pago evening aligns with Gulf morning — aim for 6:00 PM SST or later for live calls.
- • Always include the date when scheduling SST↔GST meetings; Monday SST is Tuesday GST.
- • GST applies in the UAE and Oman; Saudi Arabia, Kuwait, and Qatar use UTC+3, not GST.
- • For one-off calls, double-check the IANA zones (Pacific/Pago_Pago, Asia/Dubai) in your calendar tool.