Timezone conversion
GMT/BST to GST
Convert Greenwich Mean Time (GMT/BST) to Gulf Standard Time (GST). Daylight-saving adjustments are applied automatically.
Conversion table
Common times in GMT/BST and their equivalents in GST:
| GMT/BST | GST |
|---|---|
| 12:00 AM | 4:00 AM |
| 3:00 AM | 7:00 AM |
| 6:00 AM | 10:00 AM |
| 9:00 AM | 1:00 PM |
| 12:00 PM | 4:00 PM |
| 3:00 PM | 7:00 PM |
| 6:00 PM | 10:00 PM |
| 9:00 PM | 1:00 AMFri |
Table computed using a fixed reference date to keep output stable. Use the full converter for any date and time.
Common meeting times
Quick translations for typical business hours in Greenwich Mean Time:
- 9:00 AM GMT/BST1:00 PM GST
- 12:00 PM GMT/BST4:00 PM GST
- 3:00 PM GMT/BST7:00 PM GST
- 5:00 PM GMT/BST9:00 PM GST
Best time to schedule a call
The ideal window where both GMT/BST and GST are inside business hours (08:00–18:00) is 8:00 AM–2:00 PM GMT/BST, which is 12:00 PM–6:00 PM GST.
Upcoming offset transitions
At least one of these zones observes DST. The hours-apart number changes on the following dates over the next 12 months:
- Mar 30, 2026 — gap becomes +3h
- Oct 26, 2026 — gap becomes +4h
Sample calendar invite
Copy-paste this into your calendar event so attendees see both zones spelled out.
Subject: Sync meeting Time: 10:00 AM GMT/BST (Greenwich Mean Time) = 2:00 PM GST (Gulf Standard Time) Date: Thursday, 15 January 2026 Notes: Greenwich Mean Time ↔ Gulf Standard Time conversion handled with DST applied automatically.
About Greenwich Mean Time and Gulf Standard Time
Greenwich Mean Time
Zone: Europe/London
Abbreviation: GMT/BST
Gulf Standard Time
Zone: Asia/Dubai
Abbreviation: GST
Related conversions
Frequently asked questions
- What time is it in Gulf Standard Time when it's noon in Greenwich Mean Time?
- When it's 12:00 PM GMT/BST, it's 4:00 PM GST.
- What's the best time to schedule a call between GMT/BST and GST?
- Business-hour overlap (08:00–18:00 in both zones) lands at 8:00 AM–2:00 PM GMT/BST, which is 12:00 PM–6:00 PM GST. Schedule inside that window for both sides to be in their working day.
- Does the time difference between GMT/BST and GST change during the year?
- Yes — at least one zone observes daylight saving time, so the gap shifts during the year. Upcoming transitions: Mar 30, 2026, Oct 26, 2026.
- Does this converter handle daylight saving time?
- Yes. All calculations use the IANA time zone database (via Luxon), so DST transitions for both Greenwich Mean Time and Gulf Standard Time are applied automatically.
Need something else? Convert any time between any two zones →