Helena, MT to Lisbon: time difference
Lisbon is 7 h ahead of Helena, MT. Live clocks for both, the working hours they share, and how each one sits against your own time.
+7 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Helena, MT 23:12 11:12 PM Lisbon 06:12 6:12 AM You –:–
23:12 11:12 PM
Mountain Daylight Time · UTC-6
☀️ 07:38 · 🌙 18:54
06:12 6:12 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+7 h
Lisbon is 7 h ahead of Helena, MT.
When you, Helena, MT and Lisbon 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
🇵🇹 Lisbon
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Helena, MT | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 23:12 | 06:12 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Western European Summer Time |
| UTC offset | UTC-6 | UTC+1 |
| Offset from Helena, MT | — | +7 h |
| IANA zone | America/Denver | Europe/Lisbon |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:38 | 07:41 |
| Sunset | 18:54 | 19:07 |
| Daylight | 11 h 16 min | 11 h 26 min |
| People on this clock | 32,091 | 545,923 |
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 Lisbon: common questions
What is the time difference between Helena, MT, and Lisbon?
Lisbon is 7 hours ahead: it uses UTC+1, while Helena is on UTC−6.
What time is it in Lisbon at the start of the working day in Helena, MT?
The working day in Helena starts at 9:00 AM; in Lisbon it is 4:00 PM at that moment.
What time is it in Lisbon when it is 6:00 PM in Helena, MT?
When it is 6:00 PM in Helena, it is 1:00 AM (the next day) in Lisbon.
When is a good time to call Lisbon from Helena, MT?
Between 9:00 AM and 11:00 AM in Helena – that is 4:00 PM to 6:00 PM in Lisbon – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Lisbon compared with Helena, MT?
The new day starts in Lisbon earlier: at 5:00 PM in Helena it is already midnight there. Until 7:00 AM in Lisbon, Helena is still on the previous day.
Does the time difference between Helena, MT, and Lisbon change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Lisbon will be 6 hours ahead of Helena.
