Time Difference from Jamestown to Major World Cities
Visual offset comparison between Jamestown and key financial and international communication centers:
Drag the timeline scrubber to compare local hours across both locations:
Sunrise, Sunset and Solar Day Length in Jamestown
Solar cycle and day length calculated for coordinates -15.9° lat, -5.7° lon at an elevation of 40 meters above sea level:
Greenwich Mean Time Timezone Specifications & DST Rules
About the GMT Abbreviation
GMT stands for Greenwich Mean Time. It is observed in Saint Helena (Africa) at UTC +00:00.
Read full GMT time zone guide, meanings & active territories →
Travel, Infrastructure & Business Essentials for Jamestown
Essential practical information for international business travelers, digital nomads, and expats visiting Jamestown:
STHL 1ZZ
Related Cities in the Same Region & Timezone
Major commercial and administrative hubs in neighboring territories sharing direct regional links with Jamestown:
Historical Adoption & Legal Timekeeping Governance
Discover the current local time in Jamestown, St. Helena, along with comprehensive timezone details for Atlantic/St_Helena. This remote island territory in the South Atlantic observes Greenwich Mean Time (GMT) year-round and does not observe Daylight Saving Time. This page provides detailed information about the time zone, including its history, UTC offset, and practical details for travelers and residents. St. Helena is a British Overseas Territory, known for its unique volcanic landscape and historical significance as the place of Napoleon Bonaparte's exile. Understanding the local time is crucial for coordinating communications, scheduling events, and planning travel to or from this isolated destination. The island's economy relies heavily on tourism and government services, and accurate timekeeping is essential for both. We provide up-to-date information on the time difference between St. Helena and major cities worldwide, ensuring you're always aware of the correct time. This resource also includes details on the island's infrastructure, demographics, and cultural aspects, offering a complete overview of life in St. Helena. The information is regularly updated to reflect any changes in timezone regulations or local practices. Explore the current time, historical context, and essential details for this fascinating South Atlantic island.
Historical Background: Officially adopted on 1912. St. Helena has historically observed GMT. The link to Africa/Abidjan is a historical artifact and no longer relevant as St. Helena maintains GMT.
Legal Time Authority:
Regulated by the Saint Helena Government
under official statutory decree Time Act.
Frequently Asked Questions about Jamestown Time
What is the current local time and timezone in Jamestown?
Jamestown operates on Greenwich Mean Time (abbreviated as GMT). The standard offset is UTC +00:00.
What does GMT timezone stand for?
GMT stands for Greenwich Mean Time. It maintains a standard offset of UTC +00:00 from Coordinated Universal Time (GMT / UTC).
Does Jamestown change clocks for Daylight Saving Time (DST)?
No, Jamestown does not observe Daylight Saving Time. The local time remains constant throughout the entire year at UTC +00:00 without seasonal clock shifts.
What power plug and voltage adapter do I need for Jamestown?
Saint Helena uses plug types G with a standard voltage of 230V at 50Hz.
How can I convert time or schedule calls with Jamestown?
You can use the interactive 24-hour dual-slider converter directly on this page, or visit our Time Difference Tool and Meeting Planner to schedule seamless cross-timezone calls.