How many hours ahead is Hong Kong time from GMT?

Hong Kong Time (HKT) is 8 hours ahead of Greenwich Mean Time (GMT). This means when it's 12:00 PM (noon) in London (GMT), it's 8:00 PM the same day in Hong Kong.

What's the best time to schedule a meeting between Hong Kong and GMT?

The optimal meeting time is 5:00-6:00 PM HKT which corresponds to 9:00-10:00 AM GMT. This ensures both parties are within normal business hours and maximizes productivity for international calls.

How do I quickly convert HKT to GMT?

Simple formula: HKT - 8 hours = GMT. For example, 3:00 PM HKT becomes 7:00 AM GMT. Remember that subtracting 8 hours might result in the previous day for GMT times.

Does Hong Kong observe daylight saving time?

No, Hong Kong does not observe daylight saving time. HKT remains UTC+8 throughout the year, making time conversions with GMT consistent and predictable year-round.

What time is it in GMT when it's 9 AM in Hong Kong?

When it's 9:00 AM in Hong Kong (HKT), it's 1:00 AM GMT. This demonstrates why morning meetings in Hong Kong typically don't work well with GMT business hours.

Is GMT the same as UTC?

For practical purposes, GMT and UTC are the same (both UTC+0). GMT originally referred to time at the Royal Observatory in Greenwich, London, while UTC is the modern international time standard used globally.

Why is there an 8-hour difference between HKT and GMT?

The 8-hour difference exists because Hong Kong is located 120 degrees east of the Prime Meridian (Greenwich). Each 15 degrees of longitude represents 1 hour of time difference, so 120° ÷ 15° = 8 hours.

What's the easiest way to remember HKT to GMT conversion?

Memory trick: "Hong Kong is 8 ahead" - simply subtract 8 from Hong Kong time to get GMT. For quick meeting planning, remember "5-6 PM HK = 9-10 AM London" as the ideal business window.

Convert HKT to GMT Time - Hong Kong to London Converter

Convert Hong Kong Time (HKT) to Greenwich Mean Time (GMT, UTC+0) with our professional time zone converter. Designed for international business meetings between Hong Kong to London, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling. Perfect for international business coordination, global team management, and cross-border communication. No registration required - works instantly on all devices with offline capability.

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HKT

Hong Kong Time

Current Time

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→

🕐

GMT

Greenwich Mean Time

Current Time

Converted Time

Select a time to convert

Time Difference

Your Local Time

UTC Time

HKT to GMT Time Zone Difference

Greenwich Mean Time is 8 hours behind Hong Kong Time

Always up-to-date and accurate

24-Hour HKT to GMT Conversion Chart

Complete hourly conversion for Hong Kong Time to Greenwich Mean Time

Hong Kong Time	Greenwich Mean Time	24-Hour HKT	24-Hour GMT
12:00 AM	4:00 PM (previous day)	00:00	16:00
1:00 AM	5:00 PM (previous day)	01:00	17:00
2:00 AM	6:00 PM (previous day)	02:00	18:00
3:00 AM	7:00 PM (previous day)	03:00	19:00
4:00 AM	8:00 PM (previous day)	04:00	20:00
5:00 AM	9:00 PM (previous day)	05:00	21:00
6:00 AM	10:00 PM (previous day)	06:00	22:00
7:00 AM	11:00 PM (previous day)	07:00	23:00
8:00 AM	12:00 AM	08:00	00:00
9:00 AM	1:00 AM	09:00	01:00
10:00 AM	2:00 AM	10:00	02:00
11:00 AM	3:00 AM	11:00	03:00
12:00 PM	4:00 AM	12:00	04:00
1:00 PM	5:00 AM	13:00	05:00
2:00 PM	6:00 AM	14:00	06:00
3:00 PM	7:00 AM	15:00	07:00
4:00 PM	8:00 AM	16:00	08:00
5:00 PM	9:00 AM	17:00	09:00
6:00 PM	10:00 AM	18:00	10:00
7:00 PM	11:00 AM	19:00	11:00
8:00 PM	12:00 PM	20:00	12:00
9:00 PM	1:00 PM	21:00	13:00
10:00 PM	2:00 PM	22:00	14:00
11:00 PM	3:00 PM	23:00	15:00

12:00 AM

HKT

4:00 PM

GMT

(previous day)

00:00 16:00

1:00 AM

HKT

5:00 PM

GMT

(previous day)

01:00 17:00

2:00 AM

HKT

6:00 PM

GMT

(previous day)

02:00 18:00

3:00 AM

HKT

7:00 PM

GMT

(previous day)

03:00 19:00

4:00 AM

HKT

8:00 PM

GMT

(previous day)

04:00 20:00

5:00 AM

HKT

9:00 PM

GMT

(previous day)

05:00 21:00

6:00 AM

HKT

10:00 PM

GMT

(previous day)

06:00 22:00

7:00 AM

HKT

11:00 PM

GMT

(previous day)

07:00 23:00

8:00 AM

HKT

12:00 AM

GMT

08:00 00:00

9:00 AM

HKT

1:00 AM

GMT

09:00 01:00

10:00 AM

HKT

2:00 AM

GMT

10:00 02:00

11:00 AM

HKT

3:00 AM

GMT

11:00 03:00

12:00 PM

HKT

4:00 AM

GMT

12:00 04:00

1:00 PM

HKT

5:00 AM

GMT

13:00 05:00

2:00 PM

HKT

6:00 AM

GMT

14:00 06:00

3:00 PM

HKT

7:00 AM

GMT

15:00 07:00

4:00 PM

HKT

8:00 AM

GMT

16:00 08:00

5:00 PM

HKT

9:00 AM

GMT

17:00 09:00

6:00 PM

HKT

10:00 AM

GMT

18:00 10:00

7:00 PM

HKT

11:00 AM

GMT

19:00 11:00

8:00 PM

HKT

12:00 PM

GMT

20:00 12:00

9:00 PM

HKT

1:00 PM

GMT

21:00 13:00

10:00 PM

HKT

2:00 PM

GMT

22:00 14:00

11:00 PM

HKT

3:00 PM

GMT

23:00 15:00

Best Meeting Times between Hong Kong Time and Greenwich Mean Time

Optimal hours for calls between HKT and GMT

Business hours overlap available

5:00 PM HKT → 9:00 AM GMT

Business Hours

6:00 PM HKT → 10:00 AM GMT

Business Hours

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

Time Zone Details

Technical information for both time zones

HKT

Hong Kong Time

Source timezone

UTC Offset 8.0 hours

Abbreviation HKT

Type Standard Time

Status Active

GMT

Greenwich Mean Time

Target timezone

UTC Offset 0.0 hours

Abbreviation GMT

Type Standard Time

Status Active

Most Searched HKT to GMT Times

Popular business hours conversion from Hong Kong Time to Greenwich Mean Time

7:00 AM

11:00 PM (previous day)

Early business hours

Popular

8:00 AM

12:00 AM

Prime meeting time

9:00 AM

1:00 AM

Mid-morning calls

11:00 AM

3:00 AM

Lunch meetings

12:00 PM

4:00 AM

Afternoon coordination

1:00 PM

5:00 AM

Late afternoon calls

Frequently Asked Questions

Quick answers to common questions

Convert HKT to GMT Time - Hong Kong to London Converter

HKT to GMT Time Zone Difference

24-Hour HKT to GMT Conversion Chart

Best Meeting Times between Hong Kong Time and Greenwich Mean Time

Time Zone Details

Hong Kong Time

Greenwich Mean Time

Most Searched HKT to GMT Times

Convert EST to other time zones

Popular Most Common Conversions

All Timezones

Frequently Asked Questions

How many hours ahead is Hong Kong time from GMT?

What's the best time to schedule a meeting between Hong Kong and GMT?

How do I quickly convert HKT to GMT?

Does Hong Kong observe daylight saving time?

What time is it in GMT when it's 9 AM in Hong Kong?

Is GMT the same as UTC?

Why is there an 8-hour difference between HKT and GMT?

What's the easiest way to remember HKT to GMT conversion?