Lima to Great Falls, MT: time difference
Great Falls, MT is 1 h behind Lima. 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.
Lima 00:02 12:02 AM Great Falls, MT 23:02 11:02 PM You –:–
00:02 12:02 AM
Peru Standard Time · UTC-5
☀️ 05:47 · 🌙 18:05
23:02 11:02 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
·
−1 h
Great Falls, MT is 1 h behind Lima.
When you, Lima and Great Falls, MT are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇪 Lima
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
🇺🇸 Great Falls, MT
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇪 Lima | 🇺🇸 Great Falls, MT |
|---|---|---|
| Local time | 00:02 | 23:02 |
| Local date | Sunday, October 11, 2026 | Saturday, October 10, 2026 |
| Time zone | Peru Standard Time | Mountain Daylight Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Lima | — | −1 h |
| IANA zone | America/Lima | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:47 | 07:37 |
| Sunset | 18:05 | 18:48 |
| Daylight | 12 h 18 min | 11 h 11 min |
| People on this clock | 9,989,369 | 60,442 |
Compare Lima with another city
More comparisons with Lima: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Lima and Great Falls, MT: common questions
How far behind Lima is Great Falls, MT?
Great Falls is 1 hour behind Lima: UTC−6 against UTC−5.
What time is it in Great Falls, MT, when it is 9:00 AM in Lima?
When it is 9:00 AM in Lima, it is 8:00 AM in Great Falls.
What time is it in Great Falls, MT, at the end of the working day in Lima?
The working day in Lima ends at 6:00 PM; in Great Falls it is 5:00 PM at that moment.
Is there a time when both Lima and Great Falls, MT, are at work?
Yes: from 10:00 AM to 6:00 PM in Lima (9:00 AM to 5:00 PM in Great Falls), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Great Falls, MT?
Until 1:00 AM in Lima it is still the previous day in Great Falls. The other way round, from 11:00 PM in Great Falls it is already the next day in Lima.
Does the time difference between Lima and Great Falls, MT, change?
Yes. The clocks change only in Great Falls. From November 1, 2026, Great Falls will be 2 hours behind Lima.
