Casper, WY to Lima: time difference
Lima is 1 h ahead of Casper, WY. 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.
Casper, WY 09:59 9:59 AM Lima 10:59 10:59 AM You –:–
09:59 9:59 AM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
10:59 10:59 AM
Peru Standard Time · UTC-5
☀️ 05:42 · 🌙 18:06
·
+1 h
Lima is 1 h ahead of Casper, WY.
When you, Casper, WY and Lima are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Casper, WY
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
🇵🇪 Lima
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Casper, WY | 🇵🇪 Lima |
|---|---|---|
| Local time | 09:59 | 10:59 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Mountain Daylight Time | Peru Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Casper, WY | — | +1 h |
| IANA zone | America/Denver | America/Lima |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:23 | 05:42 |
| Sunset | 18:19 | 18:06 |
| Daylight | 10 h 57 min | 12 h 24 min |
| People on this clock | 58,763 | 9,989,369 |
Compare Casper, WY with another city
More comparisons with Casper, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Casper, WY and Lima: common questions
How far ahead of Casper, WY, is Lima?
Lima is 1 hour ahead of Casper: UTC−5 against UTC−6.
What time is it in Lima at the start of the working day in Casper, WY?
The working day in Casper starts at 9:00 AM; in Lima it is 10:00 AM at that moment.
What time is it in Lima at the end of the working day in Casper, WY?
The working day in Casper ends at 6:00 PM; in Lima it is 7:00 PM at that moment.
When do working hours in Casper, WY, and in Lima overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Casper, which is 10:00 AM to 6:00 PM in Lima.
When does the date change in Lima compared with Casper, WY?
The new day starts in Lima earlier: at 11:00 PM in Casper it is already midnight there. Until 1:00 AM in Lima, Casper is still on the previous day.
Is the time difference between Casper, WY, and Lima the same all year?
No. Only Casper switches to summer time, so the gap changes twice a year. From November 1, 2026, Lima will be 2 hours ahead of Casper.
