在香港桂冠论坛 2021年7月份通讯中一篇有关“香港天文台早期历史”的文章中,我们介绍了天文台自开台前后至二战前的历史。现在我们介绍天文台自二战以来的历史与发展…

In the article on “Early History of the Hong Kong Observatory” published in the July 2021 issue of the HKLF Newsletter, we introduced the history of the Observatory from the time around the establishment of the Observatory to World War II. We now introduce the history and development of the Observatory since World War II…

Since 1841, Hong Kong became an important port of trade. In order to ensure smooth port operations and safe navigation of ships, there was a need to provide accurate time service…

In the previous issue, we learned that to meet the needs of ocean navigation, the British invented the marine chronometer to help captains accurately ascertain the longitude of the ship to ensure safe navigation. In spite of the high accuracy of the marine chronometers, they needed to be calibrated regularly, and this came to depend on a time service provided by major ports…