*According to the Hong Kong Daylight-Saving Regulations, 1941, the 1941 spring-forward transition was at 03:00.

*According to some articles from South China Morning Post, +08 was resumed on 1945-11-18 at 02:00.

*Some newspapers published on said the 1946 spring-forward transition was on 04-21 at 00:00.
The Kung Sheung Evening News 1946-04-20 (Chinese)
p.4

The Kung Sheung Daily News 1946-04-21 (Chinese)
p.4

*According to the Summer Time Ordinance (1946), the fallback transitions between 1946 and 1952 were at 03:30 Standard Time (+08)

*Some other laws and regulations related to DST from 1953 to 1979

Summer Time Ordinance 1953

Summer Time (Amendment) Ordinance 1965

Interpretation and General Clauses Ordinance (1966)

Emergency (Summer Time) Regulation 1973

Interpretation and General Clauses (Amendment) Ordinance 1977

Resolution of the Legislative Council passed on 9 May 1979


P Chan