GST to GMT Converter
Convert time between Gulf Standard Time (GST) and Greenwich Mean Time.
Convert a specific time
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
- IndiaIST, UTC+5:30
- Eastern Time – New YorkEDT, UTC-4
- Central Time – ChicagoCDT, UTC-5
- Mountain Time – DenverMDT, UTC-6
- Arizona – PhoenixMST, UTC-7
- Pacific Time – Los AngelesPDT, UTC-7
- Mexico CityCST, UTC-6
- Saskatchewan – ReginaCST, UTC-6
- UTC / GMTUTC, UTC+0
- United Kingdom – LondonBST, UTC+1
- Central Europe – Paris, BerlinCEST, UTC+2
- Gulf – DubaiGST, UTC+4
- SingaporeSGT, UTC+8
- Japan – TokyoJST, UTC+9
- Australia Eastern – SydneyAEST, UTC+10
- EST (always UTC-5)Fixed offset, no DST
- CST (always UTC-6)Fixed offset, no DST
- MST (always UTC-7)Fixed offset, no DST
- PST (always UTC-8)Fixed offset, no DST
Time Difference
Gulf Standard Time is 4 hours ahead of Greenwich Mean Time right now.
- All year: Gulf Standard Time is 4 hours ahead of Greenwich Mean Time (GST → UTC).
Best time to call
Convenient overlapping hours on Saturday, September 19, 2026.
| GST (Gulf Standard Time) | UTC (Greenwich Mean Time) |
|---|---|
| 1:00 PM | 9:00 AM |
| 2:00 PM | 10:00 AM |
| 3:00 PM | 11:00 AM |
| 4:00 PM | 12:00 PM |
These hours fall within 9 AM–5 PM in both places.
Convert another time zone Plan a meeting across GST and GMTGST to GMT conversion table
For Saturday, September 19, 2026 in Gulf Standard Time.
| GST | UTC |
|---|---|
| 12:00 AM | 8:00 PM(previous day) |
| 1:00 AM | 9:00 PM(previous day) |
| 2:00 AM | 10:00 PM(previous day) |
| 3:00 AM | 11:00 PM(previous day) |
| 4:00 AM | 12:00 AM |
| 5:00 AM | 1:00 AM |
| 6:00 AM | 2:00 AM |
| 7:00 AM | 3:00 AM |
| 8:00 AM | 4:00 AM |
| 9:00 AM | 5:00 AM |
| 10:00 AM | 6:00 AM |
| 11:00 AM | 7:00 AM |
| 12:00 PM | 8:00 AM |
| 1:00 PM | 9:00 AM |
| 2:00 PM | 10:00 AM |
| 3:00 PM | 11:00 AM |
| 4:00 PM | 12:00 PM |
| 5:00 PM | 1:00 PM |
| 6:00 PM | 2:00 PM |
| 7:00 PM | 3:00 PM |
| 8:00 PM | 4:00 PM |
| 9:00 PM | 5:00 PM |
| 10:00 PM | 6:00 PM |
| 11:00 PM | 7:00 PM |
About these time zones
Gulf Standard Time (GST)
Gulf Standard Time (GST) is UTC+4 all year, used in the United Arab Emirates and Oman. Neither country observes daylight saving time. Saudi Arabia, Qatar, Bahrain and Kuwait are one hour behind on Arabia Standard Time (UTC+3).
Greenwich Mean Time (GMT)
Greenwich Mean Time (GMT) is the time at UTC+0. GMT and UTC show the same clock time; UTC is the scientific standard, while GMT is a time zone name. The United Kingdom and Ireland use GMT only in winter: in summer the UK switches to British Summer Time (BST, UTC+1) and Ireland to Irish Standard Time (IST, UTC+1).
GST to GMT FAQs
What time is it in GMT when it is 9 AM GST?
On Saturday, September 19, 2026, 9:00 AM GST is 5:00 AM UTC in Greenwich Mean Time.
How many hours ahead is GST from GMT?
Gulf Standard Time is 4 hours ahead of Greenwich Mean Time (GST vs UTC).
What is the best time for a call between GST and GMT?
On Saturday, September 19, 2026, good options are 1:00 PM GST (9:00 AM UTC), 2:00 PM GST (10:00 AM UTC), 3:00 PM GST (11:00 AM UTC), 4:00 PM GST (12:00 PM UTC). These fall within normal 9 AM–5 PM working hours in both places.
Does GST change for daylight saving time?
No. GST stays at UTC+4 all year.
Does GMT change for daylight saving time?
No. GMT stays at UTC+0 all year.