Convert GMT to HKT
See the current time difference from Greenwich Mean Time to Hong Kong Time, compare hours side by side, and schedule meetings faster.
How GMT to HKT Works
Convert Greenwich Mean Time (UTC+0) to Hong Kong Time (UTC+8) with an 8-hour difference. HKT does not observe daylight saving time, so conversions stay consistent year-round.
Hour-by-Hour Time Table
Use the visual hour-by-hour table to compare GMT and HKT across the day. Check overlapping business hours, scan time slots quickly, and export results with ICS or Google Calendar support.
Schedule Meetings Accurately
Plan calls between GMT and Hong Kong Time with sharing and calendar tools, including ICS download, Google Calendar, and Gmail. Time calculations adjust automatically using the IANA timezone database for accuracy.
How to Convert GMT to HKT
Open the GMT to HKT converter: Go to https://www.xconvert.com/time-converter/gmt-to-hkt-converter to load a visual comparison between GMT, Greenwich Mean Time, and HKT, Hong Kong Time. This page is useful when you need to line up a call between London-based teams using GMT and colleagues, suppliers, or clients in Hong Kong, especially for finance, shipping, sourcing, and cross-border operations.
Add comparison cities relevant to your schedule: Click + Add City and search for cities that commonly interact with Hong Kong and GMT-based organizations, such as London, Hong Kong, or another GMT location used by your team. This helps if you are coordinating a trading discussion, an agency handoff, or a logistics update involving the United Kingdom and Hong Kong, where the 8-hour gap can push meetings into late evening on one side.
Drag to select a meeting window on the grid: Click Select, then drag across the colored timeline to highlight a time range in purple, such as 9:00 GMT to 12:00 GMT, which corresponds to 17:00 HKT to 20:00 HKT. You can drag the center of the selection to move it or use the left and right handles to resize it, which is practical when testing whether a morning GMT meeting still lands within a workable same-day evening slot in Hong Kong.
Export and share the selected time: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. These options are useful when sending a confirmed meeting block to a Hong Kong client, adding a recurring handoff to a distributed operations team, or sharing a precise conversion with colleagues so everyone sees the meeting in local time.
Understanding the GMT to HKT Time Difference
GMT is UTC+0 and HKT is UTC+8, so HKT is 8 hours ahead of GMT. In the other direction, GMT is 8 hours behind HKT, which means the Hong Kong workday starts much earlier relative to teams using GMT.
A few reference points make the difference easy to apply in practice. 9:00 GMT = 17:00 HKT, 12:00 GMT = 20:00 HKT, 15:00 GMT = 23:00 HKT, and 18:00 GMT = 2:00 HKT on the next day. These examples show that late morning in GMT aligns with late afternoon or evening in Hong Kong, while late afternoon in GMT pushes into very late night or the following day in HKT.
Seasonal time changes matter because GMT is a standard-time abbreviation, and its daylight saving counterpart is BST. HKT does not observe DST, so the GMT-to-HKT relationship applies when GMT itself is in use; during the months when locations such as the United Kingdom switch away from GMT to BST, the difference changes because the UK is no longer on GMT during that period.
GMT is used across multiple countries and territories including the United Kingdom, Ireland, Iceland, Ghana, Senegal, Sierra Leone, Liberia, Mali, Guinea, Guinea-Bissau, Burkina Faso, Gambia, Togo, Mauritania, Sao Tome and Principe, Saint Helena, Guernsey, Jersey, and the Isle of Man. HKT is used in Hong Kong, making this conversion especially relevant for companies coordinating between British and Hong Kong business hours in banking, legal services, trade, retail sourcing, and international shipping.
Best Times for Calls and Meetings Between GMT and HKT
The most practical overlap usually happens when a GMT team meets in the morning or around midday, because that maps to the late afternoon or evening in Hong Kong. For example, 9:00 GMT = 17:00 HKT and 12:00 GMT = 20:00 HKT, which creates a same-day window that can still work for client calls, project reviews, and end-of-day check-ins with Hong Kong teams.
A 9:00 GMT to 12:00 GMT meeting block is one of the clearest working ranges because it becomes 17:00 HKT to 20:00 HKT. This is often suitable for sales updates, sourcing approvals, or legal and finance discussions where the GMT side starts early and the Hong Kong side stays available into the evening.
Later GMT times become harder for routine business communication. 15:00 GMT = 23:00 HKT, which is already very late in Hong Kong, and 18:00 GMT = 2:00 HKT on the next day, which is generally only realistic for urgent operational issues, overnight support, or time-sensitive market events.
If you are planning recurring meetings, aim for windows that avoid pushing Hong Kong participants into near-midnight attendance. The examples above show why early GMT scheduling is usually the most sustainable choice for remote teams, especially when working with Hong Kong offices in finance, procurement, freight forwarding, e-commerce operations, or regional management.
Frequently Asked Questions
What is the time difference between GMT and HKT?
HKT is 8 hours ahead of GMT, and GMT is 8 hours behind HKT. That means when the business day is starting in a GMT location, Hong Kong is already well into the afternoon or evening.
This difference is especially important for teams scheduling same-day communication. A morning slot in GMT is often the best chance to reach Hong Kong before the local day becomes too late.
When is 9 AM GMT in HKT?
9:00 GMT = 17:00 HKT. This makes 9 AM in Greenwich Mean Time a late-afternoon time in Hong Kong, which is often workable for status calls, approvals, and client updates.
For many businesses, this is one of the most practical conversion points. It allows GMT-based teams to meet during normal morning hours while Hong Kong participants join before the end of the business day.
When is 12 PM GMT in HKT?
12:00 GMT = 20:00 HKT. Noon in GMT becomes 8 PM in Hong Kong, which can still work for scheduled calls but is already outside standard office hours for many teams.
This timing is often used when a GMT team needs more preparation time during the day but still wants a same-day conversation with Hong Kong. It is more suitable for occasional meetings than for a daily recurring schedule.
When is 3 PM GMT in HKT?
15:00 GMT = 23:00 HKT. A 3 PM GMT meeting lands very late in Hong Kong, so it is usually not ideal for regular collaboration.
This kind of timing may still be used for urgent commercial decisions, production issues, or deadline-driven coordination. For normal weekly meetings, earlier GMT slots are usually far more practical.
When is 6 PM GMT in HKT?
18:00 GMT = 2:00 HKT on the next day. This means an early evening meeting in GMT becomes an overnight meeting in Hong Kong, which is generally unsuitable for standard business communication.
The next-day rollover is important for travel planning, shift-based operations, and urgent support coverage. If your team is seeing missed responses, this type of late GMT scheduling is often the reason.
Does the difference between GMT and HKT change during DST?
Yes, the difference changes when places that use GMT switch to BST, because GMT is a standard-time abbreviation and BST is its daylight saving counterpart. HKT does not observe DST, so Hong Kong stays on the same time year-round while GMT-based regions may use a different clock setting during DST months.
In practical terms, the 8-hour difference applies when GMT is actually in use. During the part of the year when the United Kingdom is on BST rather than GMT, you should treat that as a different time basis from a strict GMT-to-HKT conversion.
What is the best meeting time between GMT and HKT?
The best meeting window is usually in the GMT morning, because the examples show that 9:00 GMT = 17:00 HKT and 12:00 GMT = 20:00 HKT. That creates a same-day overlap where both sides can still join without forcing one team into midnight hours.
For recurring meetings, earlier is generally better on the GMT side. Once you move into 15:00 GMT = 23:00 HKT, the Hong Kong side is already at the edge of the day, and by 18:00 GMT = 2:00 HKT, the meeting falls into the next day overnight.
Which places use GMT and which place uses HKT?
GMT is used in countries and territories including Burkina Faso, Gambia, Ghana, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Saint Helena, Sao Tome and Principe, Senegal, Sierra Leone, Togo, and the United Kingdom. HKT is used in Hong Kong.
This matters for multinational scheduling because a single GMT-based workflow can involve teams across West Africa, the British Isles, and Atlantic territories, while HKT is focused on Hong Kong. If your calendar includes both, the 8-hour gap is the key planning constraint.