Current local time in Costa MesaCalifornia, United States
––:––
America/Los_AngelesUTC−8 / UTC−7
Costa Mesa keeps Pacific Standard Time (PST, UTC−8) in winter and Pacific Daylight Time (PDT, UTC−7) in summer. Its IANA time zone is America/Los_Angeles.
Daylight saving time in Costa Mesa
Costa Mesa changes its clocks twice a year. The next changes, from the IANA time zone database as of October 2026:
- Sun, Nov 1, 2026: clocks go back 1 hour to UTC−8
- Sun, Mar 14, 2027: clocks go forward 1 hour to UTC−7
Cities on the same time as Costa Mesa
These places show the same clock as Costa Mesa every day of the coming year, clock changes included.
- In United States
Los Angeles, San Diego, San Jose, San Francisco, Seattle, Portland, Las Vegas, Fresno
- In other countries
Tijuana (Mexico)
Costa Mesa time zone at a glance
- IANA time zone
- America/Los_Angeles
- UTC offset
- UTC−8 / UTC−7
- Daylight saving
- Observed
- Next clock change
- Sun, Nov 1, 2026 → UTC−8
- Country
- United States
- Region
- California
- Coordinates
- 33.64°, -117.92°
- Population
- 113,204
- Local date
- —
Sunrise and sunset in Costa Mesa today
Computed from Costa Mesa's latitude and longitude for the current local date. Times shift by a minute or two either side depending on elevation and the horizon you actually see.
- Sunrise
- —
- Sunset
- —
- Solar noon
- —
- Day length
- —
- Civil dawn
- —
- Civil dusk
- —
- Golden hour ends
- —
- Golden hour begins
- —
Costa Mesa time difference from major cities
| City | Local time now | Costa Mesa is |
|---|---|---|
| New York CityUnited States | — | 3h behind |
| LondonUnited Kingdom | — | 8h behind |
| DubaiUnited Arab Emirates | — | 11h behind |
| SingaporeSingapore | — | 15h behind |
| TokyoJapan | — | 16h behind |
| SydneyAustralia | — | 18h behind |
Need a different pair? Compare any two cities or convert a specific time.
Costa Mesa time: questions and answers
- What time is it in Costa Mesa right now?
- The clock at the top of this page shows the live local time in Costa Mesa, updated every second from your device's clock. Costa Mesa keeps Pacific Standard Time (PST, UTC−8) in winter and Pacific Daylight Time (PDT, UTC−7) in summer.
- What time zone is Costa Mesa in?
- Costa Mesa is in the IANA time zone America/Los_Angeles: Pacific Standard Time (PST, UTC−8) in winter and Pacific Daylight Time (PDT, UTC−7) in summer.
- Does Costa Mesa observe daylight saving time?
- Yes. Upcoming changes: Sun, Nov 1, 2026: clocks go back 1 hour to UTC−8; Sun, Mar 14, 2027: clocks go forward 1 hour to UTC−7.
- Which cities share Costa Mesa's time?
- Los Angeles, San Diego, San Jose, San Francisco, Seattle, Portland keep the same clock as Costa Mesa all year.
Planning something with Costa Mesa?
- Find a meeting time — the hours that overlap between Costa Mesa and your team.
- Convert a time — turn a time in Costa Mesa into yours, or the other way round.
- Compare office hours — when Costa Mesa offices and yours are both open.
- Send a calendar invite — with the America/Los_Angeles time zone set correctly.
Other cities in United States
Los Angeles, San Diego, Fresno, Las Vegas, San Jose, Phoenix, San Francisco, Tucson, Albuquerque, El Paso