Zurich to Costa Mesa time converter
Costa Mesa is 9 hours behind Zurich. When it is 9:00 AM in Zurich, it is 12:00 AM in Costa Mesa.
Zurich CEST
Tuesday, October 20, 2026
Costa Mesa PDT
Tuesday, October 20, 2026
9:53 PM in Zurich, Tuesday, October 20, 2026
Zurich to Costa Mesa conversion table
Every hour of today in Zurich and the matching time in Costa Mesa. Light rows are typical working hours (9:00–18:00).
| Zurich | Costa Mesa |
|---|---|
| 12:00 AM | 3:00 PM−1 day |
| 1:00 AM | 4:00 PM−1 day |
| 2:00 AM | 5:00 PM−1 day |
| 3:00 AM | 6:00 PM−1 day |
| 4:00 AM | 7:00 PM−1 day |
| 5:00 AM | 8:00 PM−1 day |
| 6:00 AM | 9:00 PM−1 day |
| 7:00 AM | 10:00 PM−1 day |
| 8:00 AM | 11:00 PM−1 day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Zurich (7:00 AM – 9:00 AM in Costa Mesa): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because Zurich and Costa Mesa switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: -9h
- Oct 25, 2026 – Nov 1, 2026: -8h
- Nov 1, 2026 – Mar 14, 2027: -9h
- Mar 14, 2027 – Mar 28, 2027: -8h
- Mar 28, 2027 – Oct 20, 2027: -9h
Distance
Zurich and Costa Mesa are 9,546 km (5,932 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Zurich and Costa Mesa?
Costa Mesa is 9 hours behind Zurich.
What time is it in Costa Mesa when it is 9 AM in Zurich?
When it is 9:00 AM in Zurich, it is 12:00 AM in Costa Mesa.
When is the best time to call Costa Mesa from Zurich?
Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Zurich (7:00 AM – 9:00 AM in Costa Mesa): working hours on one side, early or late on the other.
Does the time difference between Zurich and Costa Mesa change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.