Gregorian-Lunar calendar conversion table
Update Frequency:
Yearly
Convert Gregorian date to Lunar date (in Chinese only)
Data Dictionar(ies) :
https://data.weather.gov.hk/weatherAPI/doc/HKO_Open_Data_API_Documentation.pdf

We have gathered historical data for your convenience. Historical data is the previous version(s) of a file(s). Specify a date range and add to the download queue.
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