To celebrate the 120th anniversary of the hko and the world meteorological day , the hko will hold an exhibition open to the public this coming saturday and sunday ( 22 , 23 march ) at its headquarters . admission is free 为了庆祝天文台成立120周年及世界气象日而举行的天文台开放日，将于本星期六和星期日即3月22 、 23日在天文台总部举行。
These different language versions enable more and more people around the world to get access official weather forecasts disseminated in their own native tongues . the development of these internet weather services not only meets the needs of the community , but also fits well with the 2004 world meteorological day theme weather , climate and water in the information age 这些不同语言的版本意味世界上越来越多人可以享用以他们自己语言发布的官方天气预测。这些网上气象服务的发展，既响应市民的需求，也配合二四年世界气象日在资讯年代的天气、气候和水这主题。
3 december 2004 ) the hong kong observatory calendar 2005 , with the theme of " air - water - life " , is now available for sale to the public . this theme echoes the " weather , climate , water and sustainable development " theme of the world meteorological day on march 23 , 2005 , and highlights the importance of air and water in nurturing life 月历以空气、水和生命为主题，跟二五年三月二十三日世界气象日的主题天气、气候、水与可持续发展互相呼应，凸显了空气和水孕育生机的重要性。
