Hong Kong Summer Time

Year	Period	Year	Period
1941	1 Apr to 30 Sep	1961	19 Mar to 5 Nov
1942	Whole year	1962	18 Mar to 4 Nov
1943	Whole year	1963	24 Mar to 3 Nov
1944	Whole year	1964	22 Mar to 1 Nov
1945	Whole year	1965	18 Apr to 17 Oct
1946	20 Apr to 1 Dec	1966	17 Apr to 16 Oct
1947	13 Apr to 30 Dec	1967	16 Apr to 22 Oct
1948	2 May to 31 Oct	1968	21 Apr to 20 Oct
1949	3 Apr to 30 Oct	1969	20 Apr to 19 Oct
1950	2 Apr to 29 Oct	1970	19 Apr to 18 Oct
1951	1 Apr to 28 Oct	1971	18 Apr to 17 Oct
1952	6 Apr to 25 Oct	1972	16 Apr to 22 Oct
1953	5 Apr to 1 Nov	1973	22 Apr to 21 Oct
1954	21 Mar to 31 Oct	1973/74	30 Dec 73 to 20 Oct 74
1955	20 Mar to 6 Nov	1975	20 Apr to 19 Oct
1956	18 Mar to 4 Nov	1976	18 Apr to 17 Oct
1957	24 Mar to 3 Nov	1977	Nil
1958	23 Mar to 2 Nov	1978	Nil
1959	22 Mar to 1 Nov	1979	13 May to 21 Oct
1960	20 Mar to 6 Nov	1980 to Now	Nil