HST time now |
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20:30:17 Thu, 3 Jul 2025
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| UTC Offset: UTC -10 |
Hawaii Standard Time (HST) operates at UTC−10 hours, serving exclusively the U.S. state of Hawaii. Sometimes simply called "Hawaii Time," HST does not observe daylight saving time and remains fixed year-round, providing a stable and consistent time standard across all Hawaiian Islands.
Importance and Global Use of HST
HST is vital for coordinating daily life in Hawaii, including tourism, government operations, transportation, and community events. Its consistent UTC−10 offset makes scheduling easy for residents and visitors, eliminating the confusion of seasonal time changes.
Internationally, HST helps align Hawaii's activities with global partners in the mainland United States and the Asia-Pacific region. Its reliable, year-round time zone is critical for aviation, maritime trade, military operations, and international communications, reinforcing Hawaii's role as a strategic hub in the Pacific.
Where and When HST is used worldwide
Pacific
US states using HST all year:
- Hawaii
Other Time Zones in UTC -10
Other time zones share the same offset as Hawaii Standard Time (HST), but are known by different names. While their clocks align, they may represent different regions or countries based on local time zone definitions.