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The Chinese Agricultural Calendar
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Security Bureau - Daya Bay Contingency of The Hong Kong Special Administrative Region
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Environment and Ecology Bureau - Import Control on Japanese Food
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The Center for Food Safety - Situation Update of Radiation Tests on Food Imported from Japan
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My Little Observatory
Interactive Map of Storm Damage by Mangkhut
Learning
Educational Resources
360 Tour of HKO
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My Little Observatory
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Decoding Radiation
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A Tour of Tropical Cyclones
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Cloud Appreciation by Dr Tin
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International Cloud Atlas
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Courses and Activities for the Public
Subscription of e-Bulletins
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World Meteorological Organization
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World Weather Information Service
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Global Multi-hazard Alert System – Asia
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Commission for Observation, Infrastructure and Information System
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Commission for Weather, Climate, Hydrological, Marine and Related Environmental Services and Applications
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World Meteorological Day
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Press Releases
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About Us
About Hong Kong Observatory
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HKO Corporate Video
Vision and Mission
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Hong Kong Observatory – The Facts
Hong Kong Observatory 2023
Our Services
Programme Areas of the Observatory
History of the Hong Kong Observatory
Career@HKO
Visitors Figures
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Hong Kong Observatory Open Day 'Working Together for a Better Climate'
Local Weather
Regional Weather
Weather Photo
Rainfall Distribution Map
Ultraviolet (UV) radiation information
Visibility Readings in Hong Kong Waters
Weather Report
Yesterday's Weather and Radiation Level
Past Weather
Upper-air Observations in Hong Kong
King's Park Meteorological Station
Weather Forecast
Local Weather Forecast
9-Day Weather Forecast
Special Weather Tips
Extended Outlook
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Automatic Regional Weather Forecast
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Two-hour Rainfall Nowcast
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One-hour Lightning Nowcast
UV Index Forecast
South China Coastal Waters
Marine Forecast
Computer Forecast Weather Map
Weather Warnings
Today's Weather Warnings
Warning Information
Regional Info on Heavy Rain & Thunderstorms
Tropical Cyclone Warning (Local)
Details of Warnings
Weather for Marine
Weather Information for the Marine Community
Port Meteorological Services
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MyOceanWeather Gallery
Weather Monitoring Imagery
Radar Imagery
Lightning Location Information Services
Satellite Imagery
Weather Charts
Sand and Dust Weather Information
Backward Trajectory Map
GIS Weather Service
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Earth Weather
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Met on Map
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Regional Weather on GIS
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Location-specific Lightning Alert
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Automatic Regional Weather Forecast
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Two-hour Rainfall Nowcast
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One-hour Lightning Nowcast
China Weather
China Cities Weather
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Weather Website for Greater Bay Area
Guangdong Major Cities
Rainfall in Guangdong & Adjacent Areas
World Weather
World Weather Information
Weather at Airports
Climatological Mean Surface Temperatures over the Asian Region
Climatological Mean Surface Winds over the Asian Region
Weather
Local Weather
Weather Forecast
Weather Warnings
Weather for Fishermen
Weather for Marine
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Quick Earthquake Messages (M6.0+ and Felt) - Twitter Channel
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Quick Earthquake Messages (M5.0+) - Twitter Channel
Global Earthquake Information Webpage
Earthquake Reports
Report felt tremor in Hong Kong
Earthquake Monitoring
Understanding Earthquake
Tsunamis
Tsunami Information and Warning
Understanding Tsunamis
Tsunami Monitoring and Warning in Hong Kong
Tide
Tidal Information
Predicted Tide
Photos of Tide Stations
Tide Tables for Hong Kong 2025
Tide Tables for Hong Kong 2024
Geophysics
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Space Weather
Astronomical Data
Date and Time of the 24 Solar Terms
Time, Direction and Elevation of Sun Transit
The Apparent Right Ascension and Apparent Declination of the Sun
Date and Time of the Moon Phases
Interesting Astronomical Phenomena
Astronomical Photo Album on the Web
Solar Eclipse
Lunar eclipses
Comet
Meteor and Meteor Shower
Opposition of Jupiter
Opposition of Saturn
Parade of the five planets
Transit of Venus
Apparentmotion of planets
Time Services
Web Clock
Network Time Service
International Time Zone
Hong Kong Standard Time
Hong Kong Summer Time
History of Hong Kong Time Service
Hong Kong Timing System
Time Checking
Basic Terms of Time Services
Milestones of the Hong Kong Observatory Time Service
Hong Kong Meridian
Calendar
The Chinese Agricultural Calendar
The 24 Solar Terms
Heavenly Stems and Earthly Branches
The 12-Year Animal Cycle
Gregorian-Lunar Calendar Conversion Table
Beginning of 21st Century
Almanac
2024 Almanac
2025 Almanac
2026 Almanac
Astronomy & Time
Weather Information for Astronomical Observation
Interactive Sun Path Diagram
Astronomical Data
Interesting Astronomical Phenomena
Time Services
Calendar
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Related Sites
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Security Bureau - Daya Bay Contingency of The Hong Kong Special Administrative Region
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Environment and Ecology Bureau - Import Control on Japanese Food
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The Center for Food Safety - Situation Update of Radiation Tests on Food Imported from Japan
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Department of Health - Radiation Health FAQs and Glossary
This link will open in a new window
Agriculture, Fisheries and Conservation Department - Radiological Testing of Fishery Products
Radiation Monitoring
Real time Radiation level in Hong Kong
Radiation Monitoring, Assessment and Protection
Environmental Radiation Monitoring Programme
Understanding Radiation
Daya Bay Contingency Plan
Related Sites
Travel
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Hong Kong Weather Information for Tourists
World Weather Information
Sports
Weather Information for Aviation Sports
Weather Information for Water Sports
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Hong Kong Hiking Trail Weather Service
CWOS
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CWOS Facebook Group
CWOS Photo Gallery
Community
Schools
Travel
Sports
Outdoor Photography
CWOS
Senior Citizens
Stargazers
FoOb
This link will open in a new window
Co-Win
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My Little Observatory
Interactive Map of Storm Damage by Mangkhut
Learning
Educational Resources
360 Tour of HKO
This link will open in a new window
My Little Observatory
This link will open in a new window
Decoding Radiation
This link will open in a new window
A Tour of Tropical Cyclones
This link will open in a new window
Cloud Appreciation by Dr Tin
This link will open in a new window
International Cloud Atlas
Guided Tour
Courses and Activities for the Public
Subscription of e-Bulletins
Research Forum
Publications
World Meteorological Organization
This link will open in a new window
World Weather Information Service
This link will open in a new window
Severe Weather Information Centre
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International Cloud Atlas
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Global Multi-hazard Alert System – Asia
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Commission for Observation, Infrastructure and Information System
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Commission for Weather, Climate, Hydrological, Marine and Related Environmental Services and Applications
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World Meteorological Day
International Civil Aviation Organization
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Meteorology Panel
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Asia/Pacific Air Navigation Planning and Implementation Regional Work Group
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Asia and Pacific (APAC) Office
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APAC Regional Sub-Office
International & Regional Cooperation
World Meteorological Organization
International Civil Aviation Organization
International Atomic Energy Agency
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Regional Specialized Meteorological Centre for nowcasting
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South China Sea Tsunami Advisory Center
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Quick Earthquake Messages (M6.0+ and Felt) - Twitter Channel
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Media & News
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Press Releases
What's New
HKO Updates
LegCo Questions and Answers
Weather Chit Chat
Observatory's Blog
Weather On-Air
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Cool Met Stuff
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Central Briefing
Tropical Cyclone Report Broadcast
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Observatory's News
Vacancies
Tender Notices
Apps
MyObservatory
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MyWorldWeather
e-Services
Apps
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Personalized Website
Weather Wizard
Weather Information in Text
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Weather Information in RSS
Audio Web Page
Forms
Open Data
About Us
About Hong Kong Observatory
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HKO Corporate Video
Vision and Mission
Performance Pledges
Organizational Structure
Quality Management
Hong Kong Observatory – The Facts
Hong Kong Observatory 2023
Our Services
Programme Areas of the Observatory
History of the Hong Kong Observatory
Career@HKO
Visitors Figures
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Hong Kong Observatory Open Day 'Working Together for a Better Climate'
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Index
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二零零五熱帶氣旋 (Chinese version only)
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二零零五熱帶氣旋 (Chinese version only)
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