word | | Capital |
| October | New Zealand | ... hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins first Sunday in October; ends third Sunday in March note: New Zealand is divided into two time zones, including ... |
| October | Norway | ... 55 N, 10 45 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 | Poland | ... 15 N, 21 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 | Portugal | ... 43 N, 9 08 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 | Romania | ... 26 N, 26 06 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 | Russia | ... 3 (8 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October note: Russia is divided into 11 time zones |
| October | San Marino | ... 56 N, 12 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 | Serbia | ... 50 N, 20 30 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 | Slovakia | ... 09 N, 17 07 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 | Slovenia | ... 03 N, 14 31 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 | Spain | ... of Washington, DC during Standard Time) daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October note: Spain is divided into two time zones including the Canary Islands |
| October | Svalbard | ... 13 N, 15 33 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 | Sweden | ... 20 N, 18 03 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 | Switzerland | ... 57 N, 7 26 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 | Tunisia | ... 48 N, 10 11 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 | Turkey | ... 56 N, 32 52 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 | Turks and Caicos Islands | ... 21 28 N, 71 08 W time difference: UTC-5 (same time as Washington, DC during Standard Time) daylight saving time: +1hr, begins first Sunday in April; ends last Sunday in October |
| October | Ukraine | ... 26 N, 30 31 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 | United Kingdom | ... 30 N, 0 10 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 | Uruguay | ... 53 S, 56 11 W time difference: UTC-3 (2 hours ahead of Washington, DC during Standard Time) daylight saving time: +1hr, begins second Sunday in October; ends second Sunday in March |
| offices | Nauru | no official capital; government offices in Yaren District time difference: UTC+12 (17 hours ahead of Washington, DC during Standard Time) |
| offices | Tanzania | ... E time difference: UTC+3 (8 hours ahead of Washington, DC during Standard Time) note: legislative offices have been transferred to Dodoma, which is planned as the new national capital; the National ... |