EST to GST Converter
Understanding EST and GST Time Zones
Eastern Standard Time (EST)
Eastern Standard Time is observed in undefined and uses the offset UTC-5. Major cities in this time zone include New York, Washington DC, Miami, Atlanta, Boston. This time zone serves a significant global region with important economic and cultural hubs.
Gulf Standard Time (GST)
Gulf Standard Time operates at UTC+4, covering undefined. Key cities include Dubai, Abu Dhabi, Doha. The 9-hour forward offset from EST means that when professionals in New York start their workday at 9:00 AM, it is already 6:00 PM in Dubai.
EST is also commonly referred to as Eastern Time, ET, East Coast time, New York time. GST is also known as Dubai time, Gulf time, UAE time. So if you are searching for Eastern Time to Dubai time, this is the same conversion as EST to GST.
Complete EST to GST Conversion Table
The table below shows every two-hour increment converted from Eastern Standard Time to Gulf Standard Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.
| EST (Eastern Standard Time) | GST (Gulf Standard Time) |
|---|---|
| 12:00 AM (00:00) | 9:00 AM (09:00) |
| 2:00 AM (02:00) | 11:00 AM (11:00) |
| 4:00 AM (04:00) | 1:00 PM (13:00) |
| 6:00 AM (06:00) | 3:00 PM (15:00) |
| 8:00 AM (08:00) | 5:00 PM (17:00) |
| 10:00 AM (10:00) | 7:00 PM (19:00) |
| 12:00 PM (12:00) | 9:00 PM (21:00) |
| 2:00 PM (14:00) | 11:00 PM (23:00) |
| 4:00 PM (16:00) | 1:00 AM (01:00) (next day) |
| 6:00 PM (18:00) | 3:00 AM (03:00) (next day) |
| 8:00 PM (20:00) | 5:00 AM (05:00) (next day) |
| 10:00 PM (22:00) | 7:00 AM (07:00) (next day) |
Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.
Scheduling Between EST and GST
When coordinating deliverables across EST and GST, set deadlines in the earlier time zone to avoid end-of-day confusion. A "5 PM deadline" should specify which zone to prevent missed deliveries due to the 9-hour offset.
The significant 9-hour gap between EST and GST means that finding overlapping working hours requires compromise from at least one side. Consider adopting asynchronous workflows — recorded video updates, shared documents, and time-zone-aware project management tools — to supplement the limited real-time overlap.
Travel Between New York and Dubai
Flight times between New York and Dubai often appear misleading because of the time zone shift. A departure at 10:00 AM EST arriving at 2:00 AM GST may look long, but remember to factor in the 9-hour offset.
Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 9-hour shift between EST and GST, plan for roughly one week of gradual adjustment for optimal performance.
Daylight Saving Time Considerations
Countries near the equator — including Singapore, most of Africa, and parts of South America — do not observe DST, making their offsets constant year-round. This simplifies scheduling compared to US or European zones.
For the EST to GST conversion specifically: EST (UTC-5) observes DST, while GST (UTC+4) does not observe DST. This means the offset between them changes by one hour seasonally — the usual 9-hour gap becomes 8 or 10 hours during DST transitions.
Related Time Zone Conversions
References & Resources
Frequently Asked Questions
EST (Eastern Standard Time) is 9 hours behind GST (Gulf Standard Time). EST is UTC-5 and GST is UTC+4.
When it is 12:00 PM (noon) in EST, it is 9:00 PM in GST.
The best overlap for business hours is approximately 6:00 PM to 2:00 AM GST, which corresponds to 9:00 AM to 5:00 PM in EST. Given the large gap, consider alternating between early and late meeting times.
Countries near the equator — including Singapore, most of Africa, and parts of South America — do not observe DST, making their offsets constant year-round. This simplifies scheduling compared to US or European zones.