SGT vs BST Time Difference
See the current hour difference between Singapore Time and British Summer Time, including DST impact and the best times to schedule meetings.
How to Find the Time Difference Between SGT and BST
Open the SGT vs BST converter: Go to https://www.xconvert.com/time-converter/sgt-vs-bst to open the visual comparison page with Singapore Time (SGT, UTC+8) and British Summer Time (BST, UTC+1) already loaded. This page is useful when you are scheduling a call between a Singapore regional office and colleagues in the UK during summer, or checking whether a London-based client can join an afternoon meeting from Singapore.
Add comparison cities with the + Add City button: Click + Add City and add cities such as London, Manchester, or Edinburgh if you want to compare specific UK locations that observe BST in summer, or add New York and Dubai if your project also involves finance, shipping, or multinational support teams. This is especially practical for industries like banking, legal services, SaaS support, and logistics, where Singapore often coordinates with UK business hours and onward handoffs to Europe or North America.
Drag across the grid to select a meeting window: Click Select to enter selection mode, then drag across the SGT row to highlight a time block, such as 3:00 PM to 5:00 PM SGT. On the BST row, that same range appears as 8:00 AM to 10:00 AM BST, showing that SGT is 7 hours ahead of BST; this is a strong overlap for sales calls, executive updates, and operations meetings because it lands in the UK morning and Singapore afternoon on the same calendar day.
Export and share the selected time range: After selecting the range, use the export options shown on the page: ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. For example, you can send the ICS file to a distributed team so everyone sees the meeting in local time automatically, use Google Calendar for a recurring UK-Singapore check-in, or copy the share link into Slack or email for quick approval from both offices.
SGT vs BST Offset Explained
SGT is 7 hours ahead of BST. Singapore Time is fixed at UTC+8 all year and does not observe daylight saving time, while British Summer Time is UTC+1 and is used in the UK only during the daylight saving period. That means when it is 9:00 AM in Singapore, it is 2:00 AM in BST? No—during BST, 9:00 AM SGT = 2:00 AM UTC+1? The correct comparison is 9:00 AM SGT = 2:00 AM UTC? Since SGT is UTC+8 and BST is UTC+1, the UK is 7 hours behind Singapore, so 9:00 AM in Singapore is 2:00 AM in the UK during BST only if counting backward by 7 hours; more practical examples are 4:00 PM SGT = 9:00 AM BST and 6:30 PM SGT = 11:30 AM BST.
The BST season begins on the last Sunday in March and ends on the last Sunday in October. In 2025, the UK switches to BST on 30 March 2025 and returns to Greenwich Mean Time (GMT, UTC+0) on 26 October 2025. During that BST period, the Singapore–UK difference is 7 hours; outside it, when the UK is on GMT, the difference becomes 8 hours.
This seasonal shift matters for recurring meetings and travel planning. A call that works at 4:00 PM Singapore / 9:00 AM London in July will move to 4:00 PM Singapore / 8:00 AM London after the UK returns to GMT in late October unless the calendar invite is time-zone aware. For remote teams in fintech, consulting, maritime trade, and cloud services, this one-hour UK clock change can affect handoffs, support coverage, and customer-facing availability.
BST applies across the United Kingdom in summer, including London, Birmingham, Manchester, Glasgow, Cardiff, Belfast, and Edinburgh. The UK has a population of roughly 67 million, while Singapore has about 5.9 million residents, and the two economies are tightly linked through finance, insurance, higher education, shipping, and technology. Because Singapore is a major Asian business hub and London is a major European financial center, the most practical overlap usually falls in late Singapore afternoon and UK morning during BST.
A useful rule of thumb is that Singapore afternoon aligns with UK morning in summer. For example, 2:00 PM SGT = 7:00 AM BST, 5:00 PM SGT = 10:00 AM BST, and 8:00 PM SGT = 1:00 PM BST. This makes 4:00 PM to 7:00 PM SGT one of the best windows for live collaboration, while early Singapore mornings usually fall in the UK overnight and are poor choices for real-time meetings.
Frequently Asked Questions
What is the time difference between SGT and BST?
SGT is 7 hours ahead of BST. Singapore stays on UTC+8 year-round, while British Summer Time is UTC+1 during the UK summer daylight saving period. In practical terms, when it is 3:00 PM in Singapore, it is 8:00 AM in the UK during BST.
Is Singapore always 7 hours ahead of the UK?
No, Singapore is not always 7 hours ahead of the UK because the UK changes clocks seasonally. During BST, Singapore is 7 hours ahead, but during GMT in winter, Singapore is 8 hours ahead because the UK moves back to UTC+0 while Singapore remains at UTC+8.
When does BST start and end each year?
BST starts on the last Sunday in March and ends on the last Sunday in October. In 2025, BST starts on 30 March 2025 and ends on 26 October 2025; these dates are important if you are setting recurring meetings with colleagues in London, Manchester, or Edinburgh because the UK side will shift by one hour relative to Singapore.
What are the best meeting hours for Singapore and the UK during BST?
The most workable overlap is usually 3:00 PM to 7:00 PM SGT, which corresponds to 8:00 AM to 12:00 PM BST. This range is widely used for board meetings, customer demos, legal reviews, and project standups because it avoids the UK pre-work hours and still finishes before late evening in Singapore.
How do I schedule a call between Singapore and London without getting the DST change wrong?
Use the visual grid on the converter page and first choose the exact meeting date with the date picker row at the top, because the UK offset changes between BST and GMT depending on the season. Then drag to select the meeting window and export it as an ICS file or Google Calendar event so the time zone is embedded correctly and attendees in both countries see the right local time automatically.
Why does the time difference change from 7 hours to 8 hours?
The difference changes because Singapore does not observe daylight saving time, but the UK does. When the UK moves from BST (UTC+1) back to GMT (UTC+0) in late October, the UK becomes one hour further behind Singapore, so the gap increases from 7 hours to 8 hours.
Is BST the same as London time?
BST is London time only during the UK daylight saving period, typically from late March to late October. Outside that period, London uses GMT, so if you are booking flights, webinars, or support shifts with a London office, you need to check whether the selected date falls in BST or GMT rather than assuming the same offset all year.
What does 9 AM in Singapore mean in BST?
During the BST period, 9:00 AM SGT = 2:00 AM BST, because Singapore is 7 hours ahead. That means a normal Singapore morning is usually too early for live UK participation, which is why many cross-border teams prefer Singapore late afternoon for real-time meetings instead of morning slots.