SGT to GST Converter
Convert time between Singapore Standard Time (SGT) and Gulf Standard Time (GST)
Singapore Standard Time (SGT)
Gulf Standard Time (GST)
Time Difference
Gulf Standard Time (GST) is 0 hours ahead of Singapore Standard Time (SGT)
Select Date
Select Time
Quick Reference
| SGT | GST |
|---|---|
| 10:00 | 06:00 |
| 12:00 | 08:00 |
| 14:00 | 10:00 |
| 16:00 | 12:00 |
| 18:00 | 14:00 |
| 20:00 | 16:00 |
| 22:00 | 18:00 |
| 00:00 | 20:00 |
| 02:00 | 22:00 |
| 04:00 | 00:00 |
| 06:00 | 02:00 |
| 08:00 | 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 SGT to GST Time Conversion
Converting time between Singapore Standard Time (SGT) and Gulf Standard Time (GST) is essential for coordinating with the UAE, Oman and the broader Persian Gulf region. SGT is UTC+8 year-round, while GST is UTC+4, putting Singapore 4 hours ahead of the Gulf all year. Neither zone observes daylight saving, so the offset is rock-solid 12 months a year — a clean, predictable conversion.
This time zone converter uses the IANA timezone database to ensure accurate calculations. The constant offset makes SGT-GST one of the easiest cross-Asia time conversions and a popular choice for ongoing business between Southeast Asia and the Middle East. Whether you're scheduling Singapore-Dubai meetings, planning travel through Gulf hubs, or coordinating with partners in Abu Dhabi or Muscat, our converter provides reliable results.
Common Use Cases for SGT to GST Conversion
Business & Work
- Scheduling meetings between Singapore and Dubai or Abu Dhabi offices
- Coordinating trade, finance and shipping between Singapore and Gulf ports
- Planning conference calls with Middle East partners across the working week
Personal & Travel
- Planning travel between Singapore and the UAE through major Gulf hubs
- Coordinating with family and friends living in Dubai or Abu Dhabi
- Scheduling virtual events bridging Southeast Asia and the Persian Gulf
Time Zone Information
Singapore Standard Time (SGT)
- UTC Offset: UTC+8
- IANA Timezone: Asia/Singapore
- Daylight Saving: No daylight saving time (consistent year-round)
- Major Cities: Singapore
- Coverage: Republic of Singapore
Gulf Standard Time (GST)
- UTC Offset: UTC+4
- IANA Timezone: Asia/Dubai
- Daylight Saving: No daylight saving time (consistent year-round)
- Major Cities: Dubai, Abu Dhabi, Sharjah, Muscat, Ras Al Khaimah, Al Ain
- Coverage: United Arab Emirates and Oman
Quick Reference: SGT to GST
Remember: GST is exactly 4 hours behind SGT, all year. Neither zone observes daylight saving so the offset never changes.
Frequently Asked Questions
What is the time difference between SGT and GST?
Singapore Standard Time (SGT) is UTC+8, while Gulf Standard Time (GST) is UTC+4. SGT is exactly 4 hours ahead of GST. When it is 12:00 PM in Singapore, it is 8:00 AM the same day in Dubai or Abu Dhabi.
When does this SGT to GST conversion apply?
All year round. Neither Singapore nor the Gulf observes daylight saving time, so the 4-hour offset is constant 12 months a year — one of the simplest cross-Asia conversions to plan around.
Does Singapore or the UAE observe daylight saving time?
No. Both Singapore (SGT, UTC+8) and the Gulf countries (GST, UTC+4) stay on standard time year-round. The SGT-GST offset never changes.
What are the best times for SGT-GST business calls?
The 4-hour offset gives excellent overlap. Singapore afternoon (1:00 to 5:00 PM SGT) maps to Gulf morning (9:00 AM to 1:00 PM GST). For a Gulf afternoon slot, late Singapore afternoon (5:00 to 8:00 PM SGT) reaches 1:00 to 4:00 PM GST.
Which countries or regions use GST?
Gulf Standard Time is used in the United Arab Emirates and Oman. Major cities include Dubai, Abu Dhabi, Sharjah, Muscat, Ras Al Khaimah and Al Ain. UTC+4 is also shared with Azerbaijan, Armenia, Georgia, Mauritius, Réunion and the Seychelles.
Which countries or regions use SGT?
Singapore Standard Time is used only in the Republic of Singapore. UTC+8 is shared with Malaysia, Western Australia, Hong Kong, the Philippines and most of mainland China.
Pro Tips
- • GST is exactly 4 hours behind SGT, all year. Singapore noon is 8 AM in Dubai.
- • Neither Singapore nor the Gulf observes DST, so the offset is fixed and predictable across recurring calendars.
- • Note that the Gulf work week traditionally ran Sunday to Thursday — recent reforms in the UAE moved to Monday-to-Friday, but check before scheduling weekend calls.
- • Singapore afternoon (1:00 to 5:00 PM SGT) is the cleanest overlap with Gulf morning business hours.
- • For a Gulf mid-afternoon slot, late Singapore afternoon (5:00 to 8:00 PM SGT) works well.
- • Use IANA identifiers Asia/Singapore and Asia/Dubai in calendars — both zones are stable so the offset stays put.