Australian Eastern Time
Australia/Sydney
UTC+10:00 / UTC+11:00 (DST)
Seasonal offset requires careful planning with Northern Hemisphere teams.
Timezone Directory
Time Zones
Browse 16 time-zone reference pages with IANA identifiers, offset guidance, live clocks, and linked example cities.
Central European Time
Europe/Berlin
UTC+01:00 / UTC+02:00 (DST)
Widely used reference for mainland European coordination.
Central Time (US and Canada)
America/Chicago
UTC-06:00 / UTC-05:00 (DST)
Common operations timezone for North American logistics.
China Standard Time
Asia/Shanghai
UTC+08:00
Single national timezone used across mainland China.
Coordinated Universal Time (UTC)
UTC
UTC+00:00
Baseline timezone for aviation, servers, and scientific logs.
Eastern Time (US and Canada)
America/New_York
UTC-05:00 / UTC-04:00 (DST)
One of the most used commercial time references in North America.
Greenwich Mean Time
Europe/London
UTC+00:00 / UTC+01:00 (DST)
Legacy shorthand for UK-centered schedules.
Gulf Standard Time
Asia/Dubai
UTC+04:00
Stable year-round offset and common Middle East reference.
Hawaii-Aleutian Time
Pacific/Honolulu
UTC-10:00
Stable Pacific offset without DST changes in Hawaii.
India Standard Time
Asia/Kolkata
UTC+05:30
Half-hour offset frequently used in global support operations.
Japan Standard Time
Asia/Tokyo
UTC+09:00
No daylight saving in current practice.
Korea Standard Time
Asia/Seoul
UTC+09:00
Stable UTC+09:00 reference in Northeast Asia.
Mountain Time (US and Canada)
America/Denver
UTC-07:00 / UTC-06:00 (DST)
Western continental reference with regional DST differences.
New Zealand Time
Pacific/Auckland
UTC+12:00 / UTC+13:00 (DST)
One of the earliest major business-day start points globally.
Pacific Time (US and Canada)
America/Los_Angeles
UTC-08:00 / UTC-07:00 (DST)
Primary timezone for North American Pacific coast schedules.
Singapore Time
Asia/Singapore
UTC+08:00
Stable Southeast Asian reference with no DST changes.