Castle Rock to Geneva time converter
Geneva is 8 hours ahead of Castle Rock. When it is 9:00 AM in Castle Rock, it is 5:00 PM in Geneva.
Castle Rock MDT
Wednesday, October 21, 2026
Geneva CEST
Wednesday, October 21, 2026
1:29 AM in Castle Rock, Wednesday, October 21, 2026
Castle Rock to Geneva conversion table
Every hour of today in Castle Rock and the matching time in Geneva. Light rows are typical working hours (9:00–18:00).
| Castle Rock | Geneva |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM+1 day |
| 5:00 PM | 1:00 AM+1 day |
| 6:00 PM | 2:00 AM+1 day |
| 7:00 PM | 3:00 AM+1 day |
| 8:00 PM | 4:00 AM+1 day |
| 9:00 PM | 5:00 AM+1 day |
| 10:00 PM | 6:00 AM+1 day |
| 11:00 PM | 7:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 10:00 AM in Castle Rock (5:00 PM – 6:00 PM in Geneva).
Daylight saving time and the difference
The difference changes during the year because Castle Rock and Geneva switch clocks on different dates:
- Oct 21, 2026 – Oct 24, 2026: +8h
- Oct 24, 2026 – Nov 1, 2026: +7h
- Nov 1, 2026 – Mar 14, 2027: +8h
- Mar 14, 2027 – Mar 27, 2027: +7h
- Mar 27, 2027 – Oct 21, 2027: +8h
Distance
Castle Rock and Geneva are 8,291 km (5,152 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Castle Rock and Geneva?
Geneva is 8 hours ahead of Castle Rock.
What time is it in Geneva when it is 9 AM in Castle Rock?
When it is 9:00 AM in Castle Rock, it is 5:00 PM in Geneva.
When is the best time to call Geneva from Castle Rock?
Both sides are at work from 9:00 AM – 10:00 AM in Castle Rock (5:00 PM – 6:00 PM in Geneva).
Does the time difference between Castle Rock and Geneva change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.