Here is an incomplete list of references to files in the Public Record Office that may relate to Summer Time and associated matters. I have only personally examined a few of these files. For references to files covering earlier history, in particular from the records of the railway companies covering their adoption of GMT, see Howse's book. HO 45/7453 Greenwich time: suggested statutory requirement that it should be used throughout Great Britain 1863 HO 45/10548/162178 Daylight Saving Bill. 1908 - 1916 HO 45/10811/312364 CHANNEL ISLANDS - ISLE OF MAN.: Summer Time Act, 1916 HO 45/10812/312899 `Summer Time' - Committee. 1916 - 1917 HO 45/10892/357138 `Summer Time' - re-introduction, 1918 and 1919 HO 45/16188 CHANNEL ISLANDS: Summer Time Acts, 1922 and 1925. 1921-1935 HO 45/11017/377562 Summer Time in 1920. Memorandum 1919-1921 HO 45/11024/409919 Summer Time in 1921. 1921 HO 45/11077/411632 Summer Time. International uniformity. Conference at Home Office. 1917-1922 HO 45/11075/402658 Summer Time Bill, 1922. 1920-1922 HO 45/11079/418515 Summer Time. Continuance in Great Britain. 1921-1922 HO 45/11626 Deputation from Early Closing Association to secure permanent Summer Time Act. 1923-1924 HO 45/11685 Period of Summer Time for 1924. 1924 HO 45/11893 Effect of the Summer Time Act on hours of shop assistants. 1916-1925 HO 45/11940 Summer Time. International Agreement. 1921-1925 HO 45/11984 Summer Time Bill 1925. 1924-1925 HO 45/12028 Summer Time Act 1925. HO 45/14681 Summer time, 1926-1932 HO 45/17529 Summer Time. 1933-1938 HO 45/18340 Memorandum on extension of Summer Time in wartime The Defence (Summer Time) Regulations 1939 HO 45/18591 Summer Time, 1940. 1939-1940 HO 45/19959 Operation of Summer Time in World War I: report of committee of enquiry into social and economic results of Summer Time Act, 1916. 1917-1918 HO 45/20239 Washington Time Congress 1884: effect on summertime in this country. 1939 HO 45/22148 Summer Time Order 1948. 1947-1948 HO 45/23330 Summer time 1949. 1948-1949 HO 45/24319 Summer Time Order 1950. 1949-1950 HO 144/22703 Summer time and double summer time 1940-1942 HO 144/22704 Summer time and double summer time 1942-1946 HO 380/1 Home Office proposals for putting summertime arrangements on a permanent basis 1962-1966 HO 380/2 Home Office proposals for putting summertime arrangements on a permanent basis: preparation of draft Order in Council setting out agreed summertime arrangements 1965, 1966 and 1967 - 1964 HO 380/3 EUROPEAN TIME INQUIRY: PUBLIC ATTITUDES ON PERMANENT SUMMER TIME: Arrangements for collecting information: liaison with Department of Economic Affairs and Central Office of Information Social Survey 1966-1967 HO 380/4 Summary of responses from organisations consulted during 1959 Attitude Survey 1966 HO 380/5 Summary of replies from organisations consulted by Home Office 1966-1967 HO 380/6 Information collected by Department of Economic Affairs Working Party on Economic Aspects of Summertime 1966-1967 HO 380/7 Information collected from other government departments: first draft report 1966-1967 HO 380/8 Final Report: Review of the Social and Economic Aspects of Extended Summer Time 1967 ADM 1/8455/99 British Summer Time (Daylight Saving) Act 1916 AIR 2/85 LEGAL & PARLIAMENTARY: ACTS, named `S' (CODE A, 34/2): Question of Summer Time Act and the use of a Common Time in Navy, Army, Air Force and Allied Forces. 1918-1919. AIR 2/85 UNCLASSIFIED: TIME `T' (CODE A, 43): Question of Summer Time Act and the use of a Common Time in Navy, Army, Air Force and Allied Forces. 1918-1919. AY 26/690 Some effects on accidents of changes in light conditions at the beginning and end of British Summer Time by Hilary Green 1980 AY 29/227 The potential effects on road casualties of Double British Summer Time by J Broughton and R J Sedman 1989 CAB 21/1340 Change from Summer to Winter Time 1939-1940 CAB 21/3921 Change from British Summer to British Winter Time 1941 Feb - 1955 Oct CAB 37/146/15 Daylight Saving. signed in 1916 Apr. 20 CAB 37/147/11 Daylight Saving. signed in 1916 May 4 CAB 122/1396 Co-ordination on summer/winter time changes 1946 CAB 146/397 Use of Central European Time and Summer Time 1949-1966 DSIR 12/176 The effect of "summer time" on traffic flow 1956 Nov DSIR 12/181 British Summer Time changes and daylight travel in London 1966 Aug DSIR 12/200 Effect of British Summer Time on the casualty rate 1959 Oct DSIR 12/200 Expected effects of changes in the period of British Summer Time on day light travel in London 1960 May DSIR 12/200 Accidents and Summer Time, by J C Tanner 1956 Dec DSIR 12/254 Accidents and summer time 1956 Dec DSIR 12/254 The effect of summer time on traffic flow 1956 Nov DSIR 12/326 Accidents and Summer Time 1956 Dec DSIR 27/294/RN 2159 The effect of summer-time regulations on traffic flow. 1954 Feb ED 136/670 Double summer time. Times of opening and closing of schools in country districts. 1941 ED 147/82 Double summer-time 1947 ED 147/551 Double summer time 1959-1966 EF 7/2794 Summer Time: a consultative document 1989 HO 226/72 The effect of summer time on daylight available to workers during the evening 1959 PREM 4/40/22 Daylight saving 1945 Feb. RAIL 981/598 Great Western Railway: Summer Time Act 1917, daylight saving, late train starting 2 Apr. 1917 T 1/11422 Paymaster General's Office. Alteration of office hours on the principle of daylight saving. 1912 T 162/580 TIME: Daylight Saving: Official departmental notices of commencement and termination of `Summer Time'. 1920 Sept. 13-1932 Nov. 14 WO 219/4100 Reintroduction of double summer time: cables 1944 Jan.-1945 Mar. ZLIB 15/13/6 The waste of daylight: the Daylight Saving Bill by W Willet FRAS 1908 POST 30/3584 Daylight saving. General papers POST 30/3795 Daylight Savings Bill. Effect on Post Office services, etc. POST 30/3796 Daylight Savings Bill. Effect on Post Office services, etc. CO 91/513/7 Copy of Summer Time Ordinance: proclamation 1940 CO 273/588/7 Daylight Saving Ordinance, no 21 of 1932. 1932-1933 CO 533/380/8 Report of select Committee on daylight saving: Ordinance to alter the time within the Colony and Protectorate of Kenya 1927 May-1928 Aug. CO 956/284 In Summer Time the Empire Presents DO 35/1123 SUMMER TIME IN THE DOMINIONS: Standard Time Act in New Zealand. 1943-1946 FO 115/2376 Daylight Saving Bill - Dominica. 1918 FO 115/2809 Costa Rica. Nos. 1 (105) - 3. - Daylight Saving. 1923 FO 228/3499 Dossier 5527 Summer Time Act. 1919 April - 1925 Dec. FO 262/1623 Singapore to Summer Time. 1924 FO 262/1644 Shipping to Summer Time. 1925 FO 262/1738 Saburi Sadas to Summer Time. 1929 FO 286/712 Introduction of summer time to Turkey and Greece FO 286/725 Introduction of daylight saving regulations at Smyrna FO 371/24320 Summer time 1940 1940 FO 371/41524 Introduction of summer time in Middle East 1944 FO 371/46118 Introduction of summer time in the Middle East 1945 FO 371/49185 Proposed symchronisation of Double Summer Time in United Kingdom, France and Belgium 1945 FO 371/70363 Portuguese memorandum on standardization of summer time changes 1948 FO 371/84049 Amendment to Japanese summer-time law 1950 FO 371/183214 Introduction of Summer Time 1965 Contact: Joseph Myers (jsm28@cam.ac.uk) Last updated: $Date: 2000/02/12 00:36:40 $