| Current: | MST — Mountain Standard Time |
|---|---|
| Next Change: | MDT — Mountain Daylight Time |
| Current Offset: | UTC/GMT -7 hours |
| Difference: | 16 hours behind Tokyo |
2025 Time Zones - Helena
Jan
Feb
Mar
Apr
May
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Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in Helena during 2025.
Time Changes in Helena 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 | 3月10日 (日)2時00分 | MST → MDT | +1 hour (DST start) | UTC-6h |
| 11月3日 (日)2時00分 | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2025 | 3月9日 (日)2時00分 | MST → MDT | +1 hour (DST start) | UTC-6h |
| 11月2日 (日)2時00分 | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2026 | 3月8日 (日)2時00分 | MST → MDT | +1 hour (DST start) | UTC-6h |
| 11月1日 (日)2時00分 | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2027 | 3月14日 (日)2時00分 | MST → MDT | +1 hour (DST start) | UTC-6h |
| 11月7日 (日)2時00分 | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2028 | 3月12日 (日)2時00分 | MST → MDT | +1 hour (DST start) | UTC-6h |
| 11月5日 (日)2時00分 | MDT → MST | -1 hour (DST end) | UTC-7h | |
| * All times are local Helena time. Next time change is highlighted. | ||||
Data for the years before 1970 is not available for Helena, however, we have earlier time zone history for Denver available.
More Information
Time Zone Map
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Helena
USA
12時53分22
2025年1月9日木曜日