Web Clock

Notice to users:

• If your browser is not supported, you may not be able to use some special features and the response could be relatively slow. Presentation of the webpage may vary according to different browsers, computers and operating systems. For details, please refer to https://www.hko.gov.hk/en/contact.htm.
• This web clock does not change your computer time. To synchronize your PC with the Network Time Server of the Hong Kong Observatory, please visit the web page on synchronization of compute clock.
• The web clock regularly synchronizes with time servers of the Hong Kong Observatory. No time will be displayed if network connection is lost. The clock will resume automatically upon re-establishment of network connection.
• This web clock is designed for use in Hong Kong only. Its accuracy is affected by network latency. This effect may become significant over mobile data network and in a congested or distant network. The web clock may be off by one or two seconds.
• No time will be displayed if the time of your computer deviates from the standard time by more than 1024 seconds (about 17 minutes). Difference due to time zone setting of your computer alone would not affect the functioning of the web clock.
• The web clock will automatically adjust for leap seconds.