Geneva to Boulder time converter
Boulder is 8 hours behind Geneva. When it is 9:00 AM in Geneva, it is 1:00 AM in Boulder.
4:57 PM in Geneva, Sunday, October 18, 2026
Geneva to Boulder conversion table
Every hour of today in Geneva and the matching time in Boulder. Light rows are typical working hours (9:00–18:00).
| Geneva | Boulder |
|---|---|
| 12:00 AM | 4:00 PM−1 day |
| 1:00 AM | 5:00 PM−1 day |
| 2:00 AM | 6:00 PM−1 day |
| 3:00 AM | 7:00 PM−1 day |
| 4:00 AM | 8:00 PM−1 day |
| 5:00 AM | 9:00 PM−1 day |
| 6:00 AM | 10:00 PM−1 day |
| 7:00 AM | 11:00 PM−1 day |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Best time to call or meet
Both sides are at work from 5:00 PM – 6:00 PM in Geneva (9:00 AM – 10:00 AM in Boulder).
Daylight saving time and the difference
The difference changes during the year because Geneva and Boulder switch clocks on different dates:
- Oct 18, 2026 – Oct 25, 2026: -8h
- Oct 25, 2026 – Nov 1, 2026: -7h
- Nov 1, 2026 – Mar 14, 2027: -8h
- Mar 14, 2027 – Mar 28, 2027: -7h
- Mar 28, 2027 – Oct 18, 2027: -8h
Distance
Geneva and Boulder are 8,262 km (5,134 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Geneva and Boulder?
Boulder is 8 hours behind Geneva.
What time is it in Boulder when it is 9 AM in Geneva?
When it is 9:00 AM in Geneva, it is 1:00 AM in Boulder.
When is the best time to call Boulder from Geneva?
Both sides are at work from 5:00 PM – 6:00 PM in Geneva (9:00 AM – 10:00 AM in Boulder).
Does the time difference between Geneva and Boulder change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.