Hong Kong Observatory Open Day 2025
The Hong Kong Observatory (HKO) will organise HKO Open Day on 22 (Saturday) and 23 March (Sunday) 2025. Adopting the theme of the World Meteorological Day this year, "Closing the Early Warning Gap Together", the exhibitions of the Open Day will showcase various services of the HKO, as well as enhance public understanding and awareness of climate change and extreme weather.
The visit is available in different time slots for registration. When there is oversubscription, selection will be made by computer balloting.
The visit is available in different time slots for registration. When there is oversubscription, selection will be made by computer balloting.

Venue:
Hong Kong
Observatory Headquarters
134A Nathan Road, Kowloon
Observatory Headquarters
134A Nathan Road, Kowloon

Date & Admission Time:
Date:
22 March (Saturday) and 23 March (Sunday) 2025
Time:
9:30 a.m. to 5:00 p.m.
(Remark: Duration of each session of visit is around 1 hour)
22 March (Saturday) and 23 March (Sunday) 2025
Time:
9:30 a.m. to 5:00 p.m.
(Remark: Duration of each session of visit is around 1 hour)

The online registration is now closed. The successful applicant will receive the QR code for entry to the venue through email on or before 12 March 2025.
Inclement Weather Arrangement
HKO may change the visiting arrangement, such as postponing or cancelling the Open Day event, as appropriate in case of inclement weather. Successful applicants should stay tuned to the latest announcement on this webpage.
Remarks:
The above arrangements may be adjusted subject to the actual situation. HKO will announce the changes, if any, as soon as possible.
For enquiry, please contact 9136 8654 during office hours ( 9:00 a.m. to 5:00 p.m. (Mon - Fri)).
Other than on-site event, members of the public can also join the Hong Kong Observatory Open Day 2025 on-line commencing 22 March 2025. You are also welcome to join the Hong Kong Observatory "Working Together for a Better Climate" Open Day.
Inclement Weather Arrangement
HKO may change the visiting arrangement, such as postponing or cancelling the Open Day event, as appropriate in case of inclement weather. Successful applicants should stay tuned to the latest announcement on this webpage.
Remarks:
The above arrangements may be adjusted subject to the actual situation. HKO will announce the changes, if any, as soon as possible.
For enquiry, please contact 9136 8654 during office hours ( 9:00 a.m. to 5:00 p.m. (Mon - Fri)).
Other than on-site event, members of the public can also join the Hong Kong Observatory Open Day 2025 on-line commencing 22 March 2025. You are also welcome to join the Hong Kong Observatory "Working Together for a Better Climate" Open Day.