GST to EDT
-8hGST
GSTSOURCEEDT
EDTGreen rows indicate typical business hours (9 AM - 5 PM)
GST and EDT on the World Map
The map below highlights the GST (Gulf Standard Time) and EDT (Eastern Daylight Time) timezone regions across the globe.
GST – Gulf Standard Time
UTC+04:00Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.
- •Dubai uses GST year-round with no daylight saving time.
- •GST is 9 hours ahead of EST and 4 hours ahead of GMT.
- •The Dubai Financial Market (DFM) operates on GST.
EDT – Eastern Daylight Time
UTC-04:00Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.
- •EDT is observed from the second Sunday of March to the first Sunday of November.
- •During EDT, the US East Coast is only 4 hours behind London (instead of 5).
- •Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.
Comparing Time Zones: GST and EDT
GST runs on Gulf Standard Time (GST) at UTC+04:00. EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. That puts GST 8 hours behind EDT — a difference of -8h at the current offsets.
In practice, when it is 9:00 AM in GST it is 1:00 AM in EDT. Midnight in GST is 4:00 PM in EDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
GST to EDT time conversion table
| GST (GST) | EDT (EDT) | Day |
|---|---|---|
| 12:00 AM | 4:00 PM | previous day |
| 6:00 AM | 10:00 PM | previous day |
| 7:00 AM | 11:00 PM | previous day |
| 8:00 AM | 12:00 AM | same day |
| 9:00 AM | 1:00 AM | same day |
| 12:00 PM | 4:00 AM | same day |
| 3:00 PM | 7:00 AM | same day |
| 5:00 PM | 9:00 AM | same day |
| 6:00 PM | 10:00 AM | same day |
| 9:00 PM | 1:00 PM | same day |
Why people convert GST to EDT time
- Scheduling a call from GST to EDT: a 10:00 AM start in GST lands at 2:00 AM in EDT, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -8h gap: GST and EDT have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in EDT is 1:00 AM in GST.
- Booking travel or deliveries: tracking EDT local time against GST keeps pickup windows and arrival estimates honest across the -8h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM GST" is unambiguous; "3 PM" across a -8h gap is not.
- With a -8h gap there is no shared 9-to-5 window, so alternate the early start: one week GST takes the early slot, the next week EDT does.
About GST (Gulf Standard Time)
Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.
About EDT (Eastern Daylight Time)
Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.
Best time to call between GST and EDT
With a -8h offset there is no overlap inside a normal 9 AM – 5 PM day. EDT opens at 9:00 AM EDT, which is 1:00 AM in GST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
GST and EDT have no shared working hours because of the -8h gap. Teams need to alternate early starts or rely on asynchronous handovers.
GST is 8 hours behind EDT (GST UTC+04:00 → EDT UTC-04:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
GST
Does not observe DST
EDT
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between GST and EDT?
GST (GST, UTC+04:00) is 8 hours behind EDT (EDT, UTC-04:00). The gap is currently -8h.
How do I convert GST time to EDT time?
Add -8h to GST local time. For example, 9:00 AM in GST is 1:00 AM in EDT.
What time is it in EDT right now?
EDT uses EDT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -8h offset from GST.
What is the best time to call EDT from GST?
There is no shared working-hours window because of the -8h gap. The closest option is 1:00 PM in GST, which is 5:00 AM in EDT.
Which is behind, GST or EDT?
GST is 8 hours behind EDT. When it is 12:00 PM in GST it is 4:00 AM in EDT.
Does daylight saving time affect the GST–EDT difference?
Neither zone observes daylight saving time, so the -8h offset between GST and EDT is fixed all year.
Which other cities share GST's time zone?
GST also covers Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
Which countries use GST, GST's zone?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Is there a day difference between GST and EDT?
Not normally. The -8h gap only pushes the date over the previous day.
What is the time difference between GST and EDT?
EDT is -8h from GST.
What timezone is GST in?
GST operates on its local timezone.
What timezone is EDT in?
EDT operates on its local timezone.
Which countries use GST (Gulf Standard Time)?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Does GST observe daylight saving time?
No, GST does not observe daylight saving time and remains at UTC+04:00 year-round.
What are some interesting facts about GST?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
Which cities are in the EDT timezone?
Major cities in the EDT timezone include New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EDT?
Eastern Daylight Time (EDT) is at UTC-04:00. During daylight saving time, it shifts to EST.
What should I know about the EDT timezone?
EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).
When is it midnight in GST, what time is it in EDT?
When it is 12:00 AM (midnight) in GST (GST), it is -8h later in EDT (EDT).
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