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Here are all of the Daylight Saving Time/ Summer Time beginning and ending dates for 2013:
Albania
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Andorra
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Australia
. . . Apr. 7th: UTC+11 --> UTC+10
. . . . . . . . . . .UTC+10.5 --> UTC+9.5
. . . Oct. 6th: UTC+10 --> UTC+11 except Queensland
. . . . . . . . . . .UTC+9.5 --> UTC+10.5 except Northern Territory
Austria
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Azerbaijan
. . . Mar. 31st: UTC+4 --> UTC+5
. . . Oct. 27th: UTC+5 --> UTC+4
Azores (Por.)
. . . Mar. 31st: UTC-1 --> UTC
. . . Oct. 27th: UTC --> UTC-1
Bahamas
. . . Mar. 10th: UTC-5 --> UTC-4
. . . Nov. 3rd: UTC-4 --> UTC-5
Belgium
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Bermuda
. . . Mar. 10th: UTC-4 --> UTC-3
. . . Nov. 3rd: UTC-3 --> UTC-4
Bosnia & Herzegovina
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Brazil
. . . Feb. 17th: UTC-3 --> UTC-4 in Matto Grosso & Matto Grosso do Sul
. . . . . . . . . . . .UTC-2 --> UTC-3 all except Fernando de Noronha
. . . Oct. 20th: UTC-4 --> UTC-3 in Matto Grosso & Matto Grosso do Sul
. . . . . . . . . . . .UTC-3 --> UTC-2 in Tocantins, Espirito Santo, Distrito Federal, Goias, Minas Gerais, Parana, Rio de Janeiro, Rio Grande do Sul, Santa Catarina & São Paulo
Bulgaria
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Canada
. . . Mar. 10th: UTC-3.5 --> UTC-2.5
. . . . . . . . . . . .UTC-4 --> UTC-3 except eastern end of Quebec
. . . . . . . . . . . .UTC-5 --> UTC-4 except Southampton Island & parts of Ontario
. . . . . . . . . . . .UTC-6 --> UTC-5 except Saskatchewan
. . . . . . . . . . . .UTC-7 --> UTC-6 except parts of British Columbia
. . . . . . . . . . . .UTC-8 --> UTC-7
. . . Nov. 3rd: UTC-2.5 --> UTC-3.5
. . . . . . . . . . . UTC-3 --> UTC-4
. . . . . . . . . . . UTC-4 --> UTC-5 except eastern end of Quebec
. . . . . . . . . . . UTC-5 --> UTC-6 except Southampton Island & parts of Ontario
. . . . . . . . . . . UTC-6 --> UTC-7 except Saskatchewan
. . . . . . . . . . . UTC-7 --> UTC-8 except parts of British Columbia
Canary Islands (Sp)
. . . Mar. 31st: UTC --> UTC+1
. . . Oct. 27th: UTC+1 --> UTC
Chatham Island (NZ)
. . . Apr. 7th: UTC+13.75 --> UTC+12.75
. . . Sep. 29th: UTC-12.75 --> UTC+13.75
Chile
. . . Mar. 10th: UTC-3 --> UTC-4
. . . Oct. 13th: UTC-4 --> UTC-3
Croatia
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Cuba
. . . Mar. 10th: UTC-5 --> UTC-4
. . . Nov. 3rd: UTC-4 --> UTC-5
Cyprus
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Czech Republic
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Denmark
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Easter Island (Chile)
. . . Mar. 10th: UTC-5 --> UTC-6
. . . Oct. 13th: UTC-6 --> UTC-5
Estonia
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Fiji:
. . . Jan. 20th: UTC+13 --> UTC+12
. . . Oct. 20th: UTC+12 --> UTC+13
Finland
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
France
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Germany
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Gibraltar (UK)
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Greece
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Greenland (Den.)
. . . Mar. 31st: UTC --> UTC+1
. . . . . . . . . . . .UTC-1 --> UTC
. . . . . . . . . . . .UTC-3 --> UTC-2
. . . Oct. 27th: UTC+1 --> UTC
. . . . . . . . . . . UTC --> UTC-1
. . . . . . . . . . . UTC-2 --> UTC-3
. . . (The Thule area follows the same schedule as Bermuda.)
Hungary
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Iran
. . . Mar. 22nd: UTC+3.5 --> UTC+4.5
. . . Sep. 22nd: UTC+4.5 --> UTC+3.5
Ireland
. . . Mar. 31st: UTC --> UTC+1
. . . Oct. 27th: UTC+1 --> UTC
Israel
. . . Mar. 29th: UTC+2 --> UTC+3
. . . Oct. 6th: UTC+3 --> UTC+2
Italy
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Jordan
. . . Oct. 25th: UTC+3 --> UTC+2
Kosovo
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Latvia
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Lebanon
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Libya
. . . Mar. 29th: UTC+1 --> UTC+2
. . . Oct. 25th: UTC+2 --> UTC+1
Liechtenstein
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Lithuania
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Lord Howe Island (Aus.)
. . . Apr. 7th: UTC+11 --> UTC+10.5
. . . Oct. 6th: UTC+10.5 --> UTC+11
Luxembourg
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Macedonia
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Madeira Islands (Por.)
. . . Mar. 31st: UTC --> UTC+1
. . . Oct. 27th: UTC+1 --> UTC
Malta
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Mexico
. . . Apr. 7th: UTC-6 --> UTC-5
. . . . . . . . . . .UTC-7 --> UTC-6 except Sonora
. . . . . . . . . . .UTC-8 --> UTC-7
. . . Oct. 27th: UTC-5 --> UTC-6
. . . . . . . . . . . UTC-6 --> UTC-7
. . . . . . . . . . . UTC-7 --> UTC-8 except Sonora
. . . (Note: Acuna, Anahuac, Ciudad Juarez, Metamoros, Mexicali, Nuevo Laredo, Ojinaga, Piedras Negras, Reynosa y Tijuana follow the U.S. schedule.)
Moldova
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Monaco
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Montenegro
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Morocco
. . . Apr. 28th: UTC --> UTC+1
. . . Jul. 9th: UTC+1 --> UTC
. . . Aug. 8th: UTC --> UTC+1
. . . Sep. 29th: UTC+1 --> UTC
Namibia
. . . Apr. 7th: UTC+2 --> UTC+1
. . . Sep. 1st: UTC+1 --> UTC+2
Netherlands
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
New Zealand
. . . Apr. 7th: UTC+13 --> UTC+12
. . . Sep. 29th: UTC+12 --> UTC+13
Norway
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Paraguay
. . . Apr. 14th: UTC-3 --> UTC-4
. . . Oct. 6th: UTC-4 --> UTC-3
Poland
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Portugal
. . . Mar. 31st: UTC --> UTC+1
. . . Oct. 27th: UTC+1 --> UTC
Romania
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Saint-Pierre & Miquelon Islands (Fr)
. . . Mar. 10th: UTC-3 --> UTC-2
. . . Nov. 3rd: UTC-2 --> UTC-3
Samoa
. . . Apr. 7th: UTC+14 --> UTC+13
. . . Sep. 29th: UTC+13 --> UTC+14
San Marino
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Serbia
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Slovakia
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Slovenia
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Spain
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Sweden
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Switzerland
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
Syria
. . . Mar. 29th: UTC+2 --> UTC+3
. . . Oct. 25th: UTC+3 --> UTC+2
Turkey
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
Turks & Caicos Islands
. . . Mar. 10th: UTC-5 --> UTC-4
. . . Nov. 3rd: UTC-4 --> UTC-5
Ukraine
. . . Mar. 31st: UTC+2 --> UTC+3
. . . Oct. 27th: UTC+3 --> UTC+2
United Kingdom
. . . Mar. 31st: UTC --> UTC+1
. . . Oct. 27th: UTC+1 --> UTC
United States
. . . Mar. 10th: UTC-5 --> UTC-4
. . . . . . . . . . . .UTC-6 --> UTC-5
. . . . . . . . . . . .UTC-7 --> UTC-6 except most of Arizona
. . . . . . . . . . . .UTC-8 --> UTC-7 except Metlakatla AK
. . . . . . . . . . . .UTC-9 --> UTC-8
. . . . . . . . . . . .UTC-10 --> UTC-9 Aleutian Islands only
. . . Nov. 3rd: UTC-4 --> UTC-5 except Puerto Rico & the Virgin Islands
. . . . . . . . . . . UTC-5 --> UTC-6
. . . . . . . . . . . UTC-6 --> UTC-7
. . . . . . . . . . . UTC-7 --> UTC-8 except Arizona
. . . . . . . . . . . UTC-8 --> UTC-9 except Metlakatla AK
. . . . . . . . . . . UTC-9 --> UTC-10
Uruguay
. . . Mar. 10th: UTC-2 --> UTC-3
. . . Oct. 6th: UTC-3 --> UTC-2
Vatican City
. . . Mar. 31st: UTC+1 --> UTC+2
. . . Oct. 27th: UTC+2 --> UTC+1
