Time
Time Zones by Country
A structured reference for country-level time zones. This page is useful for planning calls, comparing UTC offsets, understanding regional time differences, and anticipating scheduling friction before a trip.
| Country or territory | Common time zone(s) | UTC offset(s) | Travel note |
|---|---|---|---|
| Canada | Pacific, Mountain, Central, Eastern, Atlantic, Newfoundland | UTC-8 to UTC-3:30 | Large domestic trips can involve major time changes. |
| United States | Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern | UTC-10 to UTC-5 | Mainland U.S. spans four primary contiguous time zones. |
| Mexico | Pacific, Mountain, Central, Eastern | UTC-8 to UTC-5 | Border and resort regions can use different schedules. |
| Brazil | Brasilia, Amazon, Fernando de Noronha | UTC-5 to UTC-2 | Most major cities use Brasilia time. |
| Argentina | Argentina Time | UTC-3 | Single national time zone simplifies scheduling. |
| United Kingdom | Greenwich Mean Time / British Summer Time | UTC+0 / UTC+1 seasonally | Seasonal clock changes affect spring and autumn travel. |
| Portugal | Western European Time, Azores Time | UTC+0 and UTC-1 | Mainland and island regions differ. |
| Spain | Central European Time, Western European Time (Canary Islands) | UTC+1 and UTC+0 | Mainland and Canary Islands are one hour apart. |
| France | Central European Time | UTC+1 | Metropolitan France uses one main time zone. |
| Germany | Central European Time | UTC+1 | Daylight saving time changes apply. |
| South Africa | South Africa Standard Time | UTC+2 | No daylight saving time. |
| United Arab Emirates | Gulf Standard Time | UTC+4 | Single national time zone and no DST. |
| India | India Standard Time | UTC+5:30 | Single national time zone despite large geography. |
| Thailand | Indochina Time | UTC+7 | No daylight saving time. |
| Singapore | Singapore Standard Time | UTC+8 | Useful anchor for Southeast Asia scheduling. |
| Japan | Japan Standard Time | UTC+9 | No daylight saving time. |
| Australia | Western, Central, Eastern | UTC+8 to UTC+10 | Some states differ and DST rules vary. |
| New Zealand | New Zealand Standard Time | UTC+12 | Long-haul travelers often face significant jet lag. |
Why this page matters
Designed for quick comparison
Time differences shape everything from long-haul recovery to work scheduling and remote coordination. A structured time zone page helps readers compare countries quickly without opening multiple world clock tools.
How to use this page
Plan around time differences
Use this page to spot large UTC shifts, compare destinations for remote work, and identify countries where domestic or regional trips may still involve time-zone-related planning.