Boulder to Lima time converter
Lima is 1 hour ahead of Boulder. When it is 9:00 AM in Boulder, it is 10:00 AM in Lima.
12:21 AM in Boulder, Saturday, October 17, 2026
Boulder to Lima conversion table
Every hour of today in Boulder and the matching time in Lima. Light rows are typical working hours (9:00–18:00).
| Boulder | Lima |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 5:00 PM in Boulder (10:00 AM – 6:00 PM in Lima).
Daylight saving time and the difference
The difference changes during the year because Boulder and Lima switch clocks on different dates:
- Oct 17, 2026 – Nov 1, 2026: +1h
- Nov 1, 2026 – Mar 14, 2027: +2h
- Mar 14, 2027 – Oct 17, 2027: +1h
Distance
Boulder and Lima are 6,481 km (4,027 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Boulder and Lima?
Lima is 1 hour ahead of Boulder.
What time is it in Lima when it is 9 AM in Boulder?
When it is 9:00 AM in Boulder, it is 10:00 AM in Lima.
When is the best time to call Lima from Boulder?
Both sides are at work from 9:00 AM – 5:00 PM in Boulder (10:00 AM – 6:00 PM in Lima).
Does the time difference between Boulder and Lima change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.