Gulf Standard Time
GST means UTC+04:00 throughout the year.
TIME ZONE CONVERTER
GST to EST
Time Converter
Convert Gulf Standard Time to Eastern Standard Time. Compare dates, seasonal differences and meeting hours.
GST is 9h ahead of EST in 2026.
9 AM GST = 12 AM EST
Selected date: November 4, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVGST to EST conversion table
November 4, 2026 · Date changes are marked.
View the full 24-hour table
| GST | EST |
|---|---|
| 12:00 AM | 3:00 PM -1 day |
| 1:00 AM | 4:00 PM -1 day |
| 2:00 AM | 5:00 PM -1 day |
| 3:00 AM | 6:00 PM -1 day |
| 4:00 AM | 7:00 PM -1 day |
| 5:00 AM | 8:00 PM -1 day |
| 6:00 AM | 9:00 PM -1 day |
| 7:00 AM | 10:00 PM -1 day |
| 8:00 AM | 11:00 PM -1 day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| GST | EST |
|---|---|
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Starting with the EST working day
These examples start on 2026-11-04 in EST.
09:00 EST18:00 →GST · 2026-11-04
17:00 EST02:00 →GST · 2026-11-05
Which time-zone meaning are we using?
Eastern Standard Time
EST means UTC−05:00 throughout the year. Eastern Time follows regional clock rules and uses UTC−05:00 on your selected date.
Use ET for local civil time →ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 GST to EST throughout 2026
09:00 in GST converts to 00:00 in EST on every date in 2026. The destination has the same calendar date.
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does GST time become a different date in EST?
Your complete source day: 2026-11-04. Each range shows which destination date to use.
GST · 2026-11-0400:00–09:00UTC+04:00
EST · 2026-11-0315:00–24:00UTC−05:00 Previous day
GST · 2026-11-0409:00–24:00UTC+04:00
EST · 2026-11-0400:00–15:00UTC−05:00 Same date
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026Some things stay in sync.
The difference between GST and EST stays the same throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−9h
Neither selected clock changes its UTC offset during 2026.
CLOCK CHANGES
No upcoming clock adjustment
Both selected labels are fixed offsets, so seasonal clock changes do not alter this conversion.
PLAN BEYOND A SINGLE DAY
Daily CSVGST–EST working hours through 2026
Every date calculated with your working windows. 261 selected GST workdays; public holidays are not applied.
Least shared time0h
Most common0h
Most shared time0h
Days without a 60-min slot261 / 261
One fixed start time does not fit every working day.
Your working windows never overlap on the selected host workdays this year. Adjust working days, hours or duration above, or use different seasonal meeting times.
GST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. EST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
THE DETAILS THAT MATTER
GST to EST: useful answers
Is EST the same as local city time?
EST is fixed at UTC−05:00. GST to New York (ET) uses regional rules instead. On 2026-11-04, 09:00 at the source becomes 00:00 at the destination (EST). Choose the local-city option above when that is the clock you mean.
Which cities match EST throughout 2026?
Lima, Peru; Bogota, Colombia; Quito, Ecuador; Kingston, Jamaica keep the same UTC−05:00 offset as fixed EST throughout 2026 under the published rules. Matching an offset does not mean every place uses the abbreviation EST.
Does the GST–EST time difference change in 2026?
The difference stays constant throughout 2026: EST is 9h behind compared with GST.
Does this conversion change the calendar date?
09:00 in GST on 2026-11-04 is 00:00 in EST on 2026-11-04. This selected time stays on the same date in both places. Other times can cross midnight.
Can GST and EST meet during working hours?
Your selected working windows have no shared time on 2026-11-04. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.
Related time-zone meanings and conversions
Choose the question you need answered
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology