word | | Capital |
| October | Azerbaijan | ... 23 N, 49 52 E time difference: UTC+4 (9 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Belarus | ... 54 N, 27 34 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Belgium | ... 50 N, 4 20 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Bosnia and Herzegovina | ... 52 N, 18 25 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Brazil | ... hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins third Sunday in October; ends third Sunday in February note: Brazil is divided into four time zones, including one ... |
| October | Bulgaria | ... 41 N, 23 19 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Chile | ... 27 S, 70 40 W time difference: UTC-4 (1 hour ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins second Sunday in October; ends second Sunday in March |
| October | Croatia | ... 48 N, 16 00 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Cuba | ... 23 07 N, 82 21 W time difference: UTC-5 (same time as Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Cyprus | ... 10 N, 33 22 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Czech Republic | ... 05 N, 14 28 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Denmark | ... 40 N, 12 35 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Dhekelia | ... 40 N, 32 51 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Estonia | ... 26 N, 24 43 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | European Union | ... during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October note: the Council of the European Union meets in Brussels, Belgium, the European Parliament meets ... |
| October | Faroe Islands | ... 01 N, 6 46 W time difference: UTC 0 (5 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Finland | ... 10 N, 24 56 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | France | ... 52 N, 2 20 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Germany | ... 31 N, 13 24 E time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Gibraltar | ... 08 N, 5 21 W time difference: UTC+1 (6 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Greece | ... 59 N, 23 44 E time difference: UTC+2 (7 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October |
| October | Greenland | ... 3 (2 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October note: Greenland is divided into four time zones |