What are the names for all time zones?

Answer 1

Here are the English names of all time zones in use in 2014 (the numbers in parentheses are their offsets from Coordinated Universal Time (UTC), & the letters after them are the two-letter ISO-3166 codes for the countries that use each zone name):

1. Acre Time (-5; BR)
2. Afghanistan Time (+4.5; AF)
3. Alaska Standard Time/ Alaska Daylight Saving Time (-9/-8; US)
4. Alma-Ata Time (+6; KZ)
5. Amazon Time* (-4; BR)
6. Amazon Time/ Amazon Summer Time (-4/-3; BR)
7. American Samoa Standard Time (-11; AS, UM)
8. Anadyr Time (+12; RU)
9. Aqtobe Time (+5; KZ)
10. Arabia Standard Time (+3; BH, IQ, KW, QA, SA, YE)
11. Argentina Time (-3; AR)
12. Armenia Time (+4; AM)
13. Atlantic Standard Time* (-4; AG, AI, AW, BB, BQ, CA, CW, DM, DO, GD, GP, KN, LC, MQ, MS, PR, SX, TC, TT, VC, VG, VI)
14. Atlantic Standard Time/ Atlantic Daylight Saving Time (-4/-3; BM, CA, GL)
15. Australian Central Standard Time* (+9.5; AU)
16. Australian Central Standard Time/ Central Daylight Saving Time (+9.5/+10.5; AU)
17. Australian Eastern Standard Time* (+10; AU)
18. Australian Eastern Standard Time/ Eastern Daylight Saving Time (+10/+11; AU)
19. Australian Western Standard Time (+8; AU)
20. Azerbaijan Time/ Azerbaijan Summer Time (+4/+5; AZ)
21. Azores Time/ Azores Summer Time (-1/0; PT)
22. Bangladesh Standard Time (+6; BD)
23. Bhutan Time (+6; BT)
24. Bolivia Time (-4; BO)
25. Bougainville Standard Time (+11; PG)
26. Brasilia Time* (-3; BR)
27. Brasilia Time/ Brasilia Summer Time (-3/-2; BR)
28. Brunei Darussalem Time (+8; BN)
29. Cape Verde Time (-1; CV)
30. Casey Time (+8; AQ)
31. Central Africa Time (+2; BI, BW, CD, MW, MZ, RW, ZM, ZW)
32. Central European Time* (+1; DZ, TN)
33. Central European Time/ Central European Summer Time (+1/+2; AD, AL, AQ, AT, BA, BE, CH, CZ, DE, DK, ES, FR, GI, HR, HU, LI, LU, MC, ME, MK, MT, NL, NO, PL, RS, SE, SI, SJ, SK, SM, VA)
34. Central Indonesian Time (+8; ID)
35. (North American) Central Standard Time* (-6; BZ, CA, CR, GT, HN, NI, SV)
36. (North American) Central Standard Time/ Central Daylight Saving Time (-6/-5; CA, MX, US)
37. Central Western Standard Time (+8.75; AU)
38. Chamorro Standard Time (+10; GU, MP)
39. Chatham Island Standard Time/ Chatham Island Daylight Saving Time (+12.75/+13.75; NZ)
40. Chile Standard Time/ Chile Summer Time (-4/-3; AQ, CL)
41. China Standard Time (+8; CN, MO, TW)
42. Choibalsan Time (+8; MN)
43. Christmas Island Time (+7; CX)
44. Chuuk Time (+10; FM)
45. Cocos Islands Time (+6.5; CC)
46. Colombia Time (-5; CO)
47. Cook Island Time (-10; CK)
48. Cuba Standard Time/ Cuba Daylight Saving Time (-5/-4; CU)
49. Davis Time (+7; AQ)
50. Dumont-d'Urville Time (+10; AQ)
51. East Timor Time (+9; TL)
52. Easter Island Time/ Easter Island Summer Time (-6/-5; CL)
53. East Africa Time (+3; DJ, ER, ET, KE, KM, MG, SD, SO, SS, TZ, UG, YT)
54. Eastern European Time* (+2; LY, RU)
55. Eastern European Time/ Eastern European Summer Time (+2/+3; AX, BG, CY, EE, EG, FI, GR, JO, LB, LT, LV, MD, PS, RO, SY, TR, UA)
56. Eastern Greenland Time/ Eastern Greenland Summer Time (-2/-1; GL)
57. Eastern Indonesian Time (+9; ID)
58. (North American) Eastern Standard Time* (-5; CA, JM, KY, PA)
59. (North American) Eastern Standard Time/ Eastern Daylight Saving Time (-5/-4; BS, CA, HT, US)
60. Ecuador Time (-5; EC)
61. Falkland Islands Summer Time (-3; FK)
62. Fernando de Noronha Time (-2; BR)
63. Fiji Time (+12; FJ)
64. French Guyana Time (-3; GF)
65. French Southern and Antarctic Time (+5; TF)
66. Further-Eastern European Time (+3; BY)
67. Galapagos Time (-6; EC)
68. Gambier Time (-9; PF)
69. Georgia and Sandwich Islands Time (-2; GS)
70. Georgia Standard Time (+4; GE)
71. Gilbert Island Time (+12; KI)
72. Greenwich Mean Time* (0; BF, CI, GH, GL, GM, GN, GW, IS, LR, ML, MR, SH, SL, SN, ST, TG)
73. Greenwich Mean Time/ British Summer Time (0/+1; GB, GG, IM, JE)
74. Greenwich Mean Time/ Irish Summer Time (0/+1; IE)
75. Gulf Standard Time (+4; AE, OM)
76. Guyana Time (-4; GY)
77. Hawaii-Aleutian Standard Time* (-10; US)
78. Hawaii-Aleutian Standard Time/ Hawaii-Aleutian Daylight Saving Time (-10/-9; US)
79. Hong Kong Time (+8; HK)
80. Hovd Time (+7; MN)
81. India Standard Time (+5.5; IN, LK)
82. Indian Chagos Time (+6; IO)
83. Indochina Time (+7; KH, LA, TH, VN)
84. Iran Standard Time/ Iran Daylight Saving Time (+3.5/+4.5; IR)
85. Irkutsk Time (+8; RU)
86. Israel Standard Time/ Israel Daylight Saving Time (+2/+3; IL)
87. Japan Standard Time (+9; JP)
88. Korea Standard Time (+9; KP, KR)
89. Kosrae Time (+11; FM)
90. Krasnoyarsk Time (+7; RU)
91. Kyrgyzstan Time (+6; KG)
92. Line Islands Time (+14; KI)
93. Lord Howe Standard Time/ Lord Howe Daylight Saving Time (+10.5/+11; AU)
94. Macquarie Island Time (+11; AQ)
95. Magadan Time (+10; RU)
96. Malaysia Time (+8; MY)
97. Maldives Time (+5; MV)
98. Marquesas Time (-9.5; PF)
99. Marshall Islands Time (+12; MH)
100. Mauritius Time (+4; MU)
101. Mawson Time (+5; AQ)
102. Metlakatla Time (-8; US)
103. Moscow Time (+3; RU)
104. Mountain Standard Time* (-7; CA, MX, US)
105. Mountain Standard Time/ Mountain Daylight Saving Time (-7/-6; CA, MX, US)
106. Myanmar Time (+6.5; MM)
107. Nepal Time (+5.75; NP)
108. New Caledonia Time (+11; NC)
109. New Zealand Standard Time/ New Zealand Daylight Saving Time (+12/+13; NZ)
110. Newfoundland Standard Time/ Newfoundland Daylight Saving Time (-3.5/-2.5; CA)
111. Niue Time (-11; NU)
112. Norfolk Time (+11.5; NF)
113. Novosibirsk Time (+6; RU)
114. Omsk Standard Time (+6; RU)
115. Oral Time (+5; KZ)
116. Pacific Standard Time/ Pacific Daylight Saving Time (-8/-7; CA, MX, US)
117. Pakistan Standard Time (+5; PK)
118. Palau Time (+9; PW)
119. Papua New Guinea Time (+10; PG)
120. Paraguay Time/ Paraguay Summer Time (-4/-3; PY)
121. Peru Time (-5; PE)
122. Petropavlovsk-Kamchatski Time (+12; RU)
123. Philippine Time (+8; PH)
124. Phoenix Island Time (+13; KI)
125. Pierre & Miquelon Standard Time/ Pierre & Miquelon Daylight Saving Time (-3/-2; PM)
126. Pitcairn Standard Time (-8; PN)
127. Pohnpei Standard Time (+11; FM)
128. Qyzylorda Time (+6; KZ)
129. Reunion Time (+4; RE)
130. Rothera Time (-3; AQ)
131. Sakhalin Time (+10; RU)
132. Samara Time (+4; RU)
133. Samoa Standard Time/ Samoa Daylight Saving Time (+13/+14; WS)
134. Seychelles Time (+4; SC)
135. Singapore Time (+8; SG)
136. Solomon Islands Time (+11; SB)
137. South Africa Standard Time (+2; LS, SZ, ZA)
138. Srednekolymsk Time (-11; RU)
139. Suriname Time (-3; SR)
140. Syowa Time (+3; AQ)
141. Tahiti Time (-11; PF)
142. Tajikistan Time (+5; TJ)
143. Tokelau Time (+14; TK)
144. Turkmenistan Time (+5; TM)
145. Tuvalu Time (+12; TV)
146. Ulaanbaatar Time (+8; MN)
147. Uruguay Time/ Uruguay Summer Time (-3/-2; UY)
148. Uzbekistan Time (+5; UZ)
149. Vanuatu Time (+11; VU)
150. Venezuelan Standard Time (-4.5; VE)
151. Vladivostok Time (+10; RU)
152. Vostok Time (+6; AQ)
153. Wallis & Futuna Time (+12; WF)
154. West Africa Time* (+1; AO, BJ, CD, CF, CG, CM, GA, GQ, NE, NG, TD)
155. West Africa Time/ West Africa Summer Time (+1/+2; NA)
156. Western European Time/ Western European Summer Time (0/+1; EH, ES, FO, MA, PT)
157. Western Greenland Time/ Western Greenland Summer Time (-3/-2; GL)
158. Western Indonesian Time (+7; ID)
159. Yakutsk Time (+9; RU)
160. Yap Time (+10; FM)
161. Yekaterinburg Time (+5; RU)

* Those time zone names that are listed twice, first with an asterisk then with their Summer Time name have a part that observes Daylight Saving Time/ Summer Time and a part that stays on Standard Time all year.

I think that's all of them... for now.

Answer 2

Some of the time zones include Coordinated Universal Time (UTC), Greenwich Mean Time (GMT), Eastern Standard Time (EST), Central Standard Time (CST), Mountain Standard Time (MST), Pacific Standard Time (PST), and so on.

Answer 3

The officially inhabited lands of the world currently use 41 different time offsets. Five of them are used during only part of each year, but at least 38 are in use at any given time. So if you ask for the exact time on Earth, you should get at least 38 different answers.

I refer to clock settings as time offsets because a time zone is often expressed as an offset from Coordinated Universal Time (UTC). For example, Mountain Standard Time in North America is UTC - 7 hours, or UTC-7.

Several time zones can have the same time offset, or a time zone can have several different names, depending on how you look at it.

Most of the time zones in North America, Europe and Africa are named after the part of the continent where they are. Those names are shared by multiple countries. Most of the time zones in South America and Asia are named after the countries where they are used. Altogether the 41 time offsets or zones have 167 different names, including 34 that are used only for Daylight Saving Time or Summer Time.

Here are the 41 offsets from earliest to latest and the names used within each offset (Daylight Saving Time or Summer Time zone names are in parentheses):

UTC-11

Niue Time

Samoa Standard Time

UTC-10

Cook Island Time

Hawaii-Aleutian Standard Time

Tahiti Time

UTC-9:30

Marquesas Time

UTC-9

Alaska Standard Time

Gambier Time

(Hawaii-Aleutian Daylight Saving Time)

UTC-8

(Alaska Daylight Saving Time)

Metlakatla Time

Pacific Standard Time

Pitcairn Standard Time

UTC-7

Mountain Standard Time

(Pacific Daylight Saving Time)

UTC-6

Central Standard Time

Easter Island Time

Galapagos Time

(Mountain Daylight Saving Time)

UTC-5

(Central Daylight Saving Time)

Colombia Time

Cuba Standard Time

(Easter Island Summer Time)

Eastern Standard Time

Ecuador Time

Peru Time

UTC-4:30

Venezuela Time

UTC-4

Amazon Time

Atlantic Standard Time

Bolivia Time

Chile Time

(Cuba Daylight Saving Time)

(Eastern Daylight Saving Time)

Guyana Time

Paraguay Time

UTC-3:30

Newfoundland Standard Time

UTC-3

(Amazon Summer Time)

Argentina Time

(Atlantic Daylight Saving Time)

Brasilia Time

(Chile Summer Time)

Falkland Islands Summer Time

French Guiana Time

(Paraguay Summer Time)

Pierre and Miquelon Standard Time

Rothera Time

Suriname Time

Uruguay Time

Western Greenland Time

(UTC-2:30)

(Newfoundland Daylight Saving Time)

UTC-2

(Brasilia Summer Time)

Fernando de Noronha Time

(Pierre and Miquelon Daylight Saving Time)

South Georgia Time

(Uruguay Summer Time)

(Western Greenland Summer Time)

UTC-1

Azores Time

Cape Verde Time

Eastern Greenland Time

UTC

(Azores Summer Time)

(Eastern Greenland Summer Time)

Greenwich Mean Time

Western European Time

UTC+1

(British Summer Time)

Central European Time

(Irish Summer Time)

West Africa Time

(Western European Summer Time)

UTC+2

Central Africa Time

(Central European Summer Time)

Eastern European Time

Israel Standard Time

South Africa Standard Time

(West Africa Summer Time)

UTC+3

Arabia Standard Time

East Africa Time

(Eastern European Summer Time)

Further-Eastern European Time

(Israel Daylight Saving Time)

Syowa Time

UTC+3:30

Iran Standard Time

UTC+4

Armenia Time

Azerbaijan Time

Georgia Time

Gulf Time

Mauritius Time

Moscow Time

Réunion Time

Seychelles Time

UTC+4:30

Afghanistan Time

(Iran Daylight Saving Time)

UTC+5

Aqtobe Time

(Azerbaijan Summer Time)

French Southern and Antarctic Time

Maldives Time

Mawson Time

Pakistan Time

Tajikistan Time

Turkmenistan Time

Uzbekistan Time

UTC+5:30

India Time

UTC+5:45

Nepal Time

UTC+6

Alma-Ata Time

Bangladesh Standard Time

Bhutan Time

Indian Chagos Time

Kyrgyzstan Time

Vostok Time

Yekaterinburg Time

UTC+6:30

Cocos Islands Time

Myanmar Time

UTC+7

Christmas Island Time

Davis Time

Hovd Time

Indochina Time

Omsk Time

Western Indonesian Time

UTC+8

Brunei Darussalam Time

Central Indonesian Time

China Time

Hong Kong Time

Krasnoyarsk Time

Malaysia Time

Philippine Time

Singapore Time

Ulaanbaatar Time

Western Standard Time

UTC+8:45

Central Western Standard Time

UTC+9

East Timor Time

Eastern Indonesian Time

Irkutsk Time

Japan Time

Korea Time

Palau Time

UTC+9:30

Central Standard Time

UTC+10

Chamorro Standard Time

Dumont-d'Urville Time

Eastern Standard Time

Papua New Guinea Time

Yakutsk Time

Yap Time

UTC+10:30

(Central Summer Time)

Lord Howe Standard Time

UTC+11

(Eastern Summer Time)

(Lord Howe Summer Time)

Macquarie Island Time

New Caledonia Time

Pohnpei Time

Solomon Islands Time

Vanuatu Time

Vladivostok Time

UTC+11:30

Norfolk Time

UTC+12

Fiji Time

Gilbert Island Time

Magadan Time

Marshall Islands Time

Nauru Time

New Zealand Standard Time

Tuvalu Time

Wallis and Futuna Time

UTC+12:45

Chatham Island Standard Time

UTC+13

(Fiji Summer Time)

(New Zealand Daylight Saving Time)

Phoenix Island Time

Tokelau Time

Tonga Time

West Samoa Time

(UTC+13:45)

(Chatham Island Daylight Saving Time)

UTC+14

Line Islands Time

Time zone information is often hard to find, and sources often contradict each other, so any corrections are eagerly welcome, either directly here or to my message board. -HW