GST to EDT Converter
Convert time between Gulf Standard Time (GST) and Eastern Daylight Time (EDT)
Gulf Standard Time (GST)
Eastern Daylight Time (EDT)
Time Difference
Eastern Daylight Time (EDT) is 0 hours ahead of Gulf Standard Time (GST)
Select Date
Select Time
Quick Reference
| GST | EDT |
|---|---|
| 06:00 | 22:00 |
| 08:00 | 00:00 |
| 10:00 | 02:00 |
| 12:00 | 04:00 |
| 14:00 | 06:00 |
| 16:00 | 08:00 |
| 18:00 | 10:00 |
| 20:00 | 12:00 |
| 22:00 | 14:00 |
| 00:00 | 16:00 |
| 02:00 | 18:00 |
| 04:00 | 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 GST to EDT Time Conversion
Converting time between Gulf Standard Time (GST) and Eastern Daylight Time (EDT) is essential for coordinating activities between the Gulf region and the US East Coast during US summer. GST is UTC+4 (a fixed offset with no daylight saving time), while EDT is UTC-4 (observed from the second Sunday in March to the first Sunday in November). This puts GST exactly 8 hours ahead of EDT, making same-day late-afternoon to morning overlaps possible.
This time zone converter uses the IANA timezone database for accurate results. EDT applies only during US daylight saving time — outside that period the East Coast reverts to EST (UTC-5), making the gap 9 hours. Whether you're scheduling business calls between Dubai and New York, managing cross-continental projects, or keeping in touch with family, our converter ensures you never miss a meeting.
Common Use Cases for GST to EDT Conversion
Business & Work
- Scheduling late afternoon Gulf calls with New York offices during US summer months
- Coordinating financial transactions between Gulf markets and Wall Street during EDT
- Planning virtual product launches and press events across Gulf and East Coast audiences
Personal & Travel
- Staying in touch with family and friends between UAE and the US East Coast in summer
- Planning travel departures and arrivals between Dubai and New York during daylight saving
- Scheduling online gaming sessions and virtual events across the 8-hour time gap
Time Zone Information
Gulf Standard Time (GST)
- UTC Offset: UTC+4 (no DST observed)
- IANA Timezone: Asia/Dubai
- Daylight Saving: Gulf Standard Time does not observe daylight saving time
- Major Cities: Dubai, Abu Dhabi, Sharjah, Muscat, Ras Al Khaimah
- Coverage: United Arab Emirates, Oman, and the broader Gulf region
Eastern Daylight Time (EDT)
- UTC Offset: UTC-4 (observed during daylight saving time)
- IANA Timezone: America/New_York
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: New York, Boston, Philadelphia, Atlanta, Washington DC
- Coverage: Eastern United States and Canada during summer months
Quick Reference: GST to EDT
Remember: GST is 8 hours ahead of EDT during US summer (March–November). Outside this period the East Coast uses EST and the gap becomes 9 hours.
Frequently Asked Questions
What is the time difference between GST and EDT?
Gulf Standard Time (GST) is UTC+4, while Eastern Daylight Time (EDT) is UTC-4. GST is 8 hours ahead of EDT. When it's 12:00 PM (noon) in Dubai (GST), it's 4:00 AM in New York (EDT). EDT is only active from the second Sunday in March to the first Sunday in November — outside that window the East Coast uses EST (UTC-5) and the gap becomes 9 hours.
When is EDT active and when does it revert to EST?
Eastern Daylight Time (EDT) is active from the second Sunday in March to the first Sunday in November each year. During this period the US East Coast moves its clocks forward one hour from UTC-5 (EST) to UTC-4 (EDT). After the first Sunday in November, clocks fall back to EST. Since GST never changes, the GST–East Coast offset is 8 hours during EDT and 9 hours during EST.
Does Gulf Standard Time observe daylight saving time?
No, Gulf Standard Time (GST) does not observe daylight saving time. The UAE and Oman remain on UTC+4 year-round. This means any change in the offset between GST and the US East Coast is always driven by the US clocks moving, not the Gulf. During EDT season the gap is 8 hours; during EST season it is 9 hours.
What are the best times to schedule calls between GST and EDT?
The most practical overlap window during EDT is late afternoon Gulf time (5–9 PM GST), which corresponds to 9 AM–1 PM EDT in New York. This catches the start of the New York workday while Gulf teams wrap up theirs. A 6 PM GST call equals a 10 AM EDT start — ideal for important cross-timezone meetings during US summer.
Which countries use GST (Gulf Standard Time)?
Gulf Standard Time (UTC+4) is used primarily by the United Arab Emirates (Dubai, Abu Dhabi, Sharjah) and Oman (Muscat). Neither country observes daylight saving time, so GST is a fixed UTC+4 offset throughout the year. Some parts of Russia and Indian Ocean territories also share this UTC offset but under different names.
Which states use EDT (Eastern Daylight Time)?
Eastern Daylight Time (UTC-4) is observed during summer in the eastern United States — including New York, Florida, Georgia, Massachusetts, Pennsylvania, Ohio, Michigan, and more — as well as parts of eastern Canada such as Ontario and Quebec. Major cities include New York City, Boston, Washington DC, Atlanta, Miami, and Philadelphia. EDT applies from the second Sunday in March to the first Sunday in November.
Pro Tips
- • GST is 8 hours ahead of EDT in summer. A quick check: subtract 8 hours from any GST time to get EDT.
- • GST never changes. If the gap feels different, it means the East Coast has switched between EDT and EST — always confirm the current US offset.
- • The best meeting window is 5–9 PM GST (9 AM–1 PM EDT) — both regions are in active working hours during this slot.
- • A 9 AM EDT Monday start equals 5 PM GST Monday — a natural end-of-day time in the Gulf for a quick call.
- • New York Stock Exchange opens at 9:30 AM EDT, which is 5:30 PM GST — useful for Gulf-based investors tracking US market open.
- • Around the EDT/EST transition dates (March and November), double-check your scheduled recurring meetings since the offset shifts by one hour.
Update Logs
View the latest updates and features