Current: | ACST — Australian Central Standard Time |
---|---|
Next Change: | ACDT — Australian Central Daylight Time |
Current Offset: | UTC/GMT +9:30 hours |
Difference: | 13:30 hours ahead of Columbus |


2025 Time Zones - Jamestown
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The graph above illustrates clock changes in Jamestown during 2025.
Note that Jamestown uses a special half-hour time zone.
Time Changes in Jamestown Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
Year | Date & Time | Abbreviation | Time Change | Offset After |
---|---|---|---|---|
2024 | Sun, Apr 7 at 3:00 am | ACDT → ACST | -1 hour (DST end) | UTC+9:30h |
Sun, Oct 6 at 2:00 am | ACST → ACDT | +1 hour (DST start) | UTC+10:30h | |
2025 | Sun, Apr 6 at 3:00 am | ACDT → ACST | -1 hour (DST end) | UTC+9:30h |
Sun, Oct 5 at 2:00 am | ACST → ACDT | +1 hour (DST start) | UTC+10:30h | |
2026 | Sun, Apr 5 at 3:00 am | ACDT → ACST | -1 hour (DST end) | UTC+9:30h |
Sun, Oct 4 at 2:00 am | ACST → ACDT | +1 hour (DST start) | UTC+10:30h | |
2027 | Sun, Apr 4 at 3:00 am | ACDT → ACST | -1 hour (DST end) | UTC+9:30h |
Sun, Oct 3 at 2:00 am | ACST → ACDT | +1 hour (DST start) | UTC+10:30h | |
2028 | Sun, Apr 2 at 3:00 am | ACDT → ACST | -1 hour (DST end) | UTC+9:30h |
Sun, Oct 1 at 2:00 am | ACST → ACDT | +1 hour (DST start) | UTC+10:30h | |
* All times are local Jamestown time. Next time change is highlighted. |
Data for the years before 1970 is not available for Jamestown, however, we have earlier time zone history for Adelaide available.
More Information
Time Zone Tools
- Meeting Planner - Find a suitable time for an international meeting.
- Time Zone Converter - If it is 3 pm in New York, what time is it in Sydney?
- Event Time Announcer/Fixed Time - Show local times worldwide for your event.

Jamestown
Australia
12:1708pm
Friday, May 2, 2025