Education Bureau:https://www.edb.gov.hk/en/index.html
Department of Health:https://www.dh.gov.hk/english/index.html
Admission Arrangements for Nursery (K1) Classes (Education Bureau) :https://www.edb.gov.hk/en/edu-system/preprimary-kindergarten/kindergarten-k1-admission-arrangements/index-2.html
Hong Kong Observatory : http://www.hko.gov.hk/en/index.html