Helena, MT to Seattle, WA: time difference
Seattle, WA is 1 h behind Helena, MT. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Helena, MT 21:34 9:34 PM Seattle, WA 20:34 8:34 PM You –:–
21:34 9:34 PM
Mountain Daylight Time · UTC-6
☀️ 07:38 · 🌙 18:54
20:34 8:34 PM
Pacific Daylight Time · UTC-7
☀️ 07:20 · 🌙 18:34
·
−1 h
Seattle, WA is 1 h behind Helena, MT.
When you, Helena, MT and Seattle, WA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Helena, MT
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Seattle, WA
23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Helena, MT | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 21:34 | 20:34 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Mountain Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from Helena, MT | — | −1 h |
| IANA zone | America/Denver | America/Los Angeles |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:38 | 07:20 |
| Sunset | 18:54 | 18:34 |
| Daylight | 11 h 16 min | 11 h 14 min |
| People on this clock | 32,091 | 737,015 |
Compare Helena, MT with another city
More comparisons with Helena, MT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Helena, MT and Seattle, WA: common questions
What is the time difference between Helena, MT, and Seattle, WA?
Seattle is 1 hour behind: it uses UTC−7, while Helena is on UTC−6.
What time is it in Seattle, WA, at the start of the working day in Helena, MT?
The working day in Helena starts at 9:00 AM; in Seattle it is 8:00 AM at that moment.
If it is 6:00 PM in Helena, MT, what time is it in Seattle, WA?
At 6:00 PM in Helena, clocks in Seattle show 5:00 PM.
When do working hours in Helena, MT, and in Seattle, WA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Helena, which is 9:00 AM to 5:00 PM in Seattle.
Until what time in Helena, MT, is it still yesterday in Seattle, WA?
Before 1:00 AM in Helena, the date in Seattle has not changed yet. From 11:00 PM in Seattle, it is already the next day in Helena.
Does the time difference between Helena, MT, and Seattle, WA, change?
No. The clocks in Helena and in Seattle change on the same dates, so the difference stays 1 hour.
