Time difference between Guam and Hong Kong: 2 hours
Guam
UTC+10
--:--:--
Hong Kong
UTC+8
--:--:--
Guam is 2 hours ahead of Hong Kong
Best time for a call or meeting
Guam 11:00–18:00 = Hong Kong 09:00–16:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
→ Hong Kong
Hour-by-hour conversion
| Guam | Hong Kong |
|---|---|
| 00:00 | 22:00 |
| 01:00 | 23:00 |
| 02:00 | 00:00 |
| 03:00 | 01:00 |
| 04:00 | 02:00 |
| 05:00 | 03:00 |
| 06:00 | 04:00 |
| 07:00 | 05:00 |
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 11:00 | 09:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
Business hours 9–18 Waking hours 7–22 Night / early morning
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between Guam and Hong Kong?
Guam is 2 hours ahead of Hong Kong. When it is 12:00 noon in Guam, it is 10:00 in Hong Kong.
Does daylight saving time affect the difference?
No. Neither place observes daylight saving time, so the difference stays the same all year.
What is the best time for a call or meeting?
Guam 11:00–18:00 = Hong Kong 09:00–16:00. Both cities are within business hours (9:00–18:00).
Other countries & regions
Guam - JapanGuam - South KoreaGuam - ChinaGuam - TaiwanGuam - SingaporeGuam - ThailandGuam - VietnamGuam - PhilippinesGuam - CambodiaGuam - MalaysiaGuam - IndonesiaGuam - BaliGuam - IndiaGuam - UAEGuam - Saudi ArabiaGuam - TurkeyGuam - HawaiiGuam - United KingdomGuam - FranceGuam - GermanyGuam - ItalyGuam - SpainGuam - PortugalGuam - NetherlandsGuam - SwitzerlandGuam - SwedenGuam - PolandGuam - GreeceGuam - FinlandGuam - RussiaGuam - EgyptGuam - South AfricaGuam - United StatesGuam - CanadaGuam - MexicoGuam - BrazilGuam - ArgentinaGuam - ChileGuam - PeruGuam - ColombiaGuam - AustraliaGuam - New Zealand