Costa Mesa, United States
Current time in United States
Time zone: PDT (UTC/GMT -07:00) — America/Los_Angeles
| Local Clock Offset: Yesterday, -15 H |
| Time zone: (UTC/GMT -7 ) Costa Mesa, United States |
Current Time in other Cities of United States
| New York City |
| Los Angeles |
| Chicago |
| Queens |
| San Antonio |
| The Bronx |
| San Jose |
| Fort Worth |
| Indianapolis |
| San Francisco |
| San Francisco |
| Seattle |
| El Paso |
| Oklahoma City |
| Detroit |
| Boston |
| New South Memphis |
| Las Vegas |
| Milwaukee |
| South Boston |
| Albuquerque |
| Tucson |
| Sacramento |
| Omaha |
| Kansas City |
| Mesa |
| Staten Island |
| Colorado Springs |
| Virginia Beach |
| Tulsa |
Time zone in Costa Mesa
Clocks in Costa Mesa are set to PDT, 7 hours behind UTC (UTC-07:00). Software that asks for a region wants America/Los_Angeles — the IANA identifier for this zone.
Expect a clock change on Sunday, 01 November 2026: Costa Mesa switches to PST, moving back by 1 hour. Until that date the UTC-07:00 offset above holds.
Bear in mind United States spans 10 zones across the 419 cities we cover — checking a second city in the same country is often necessary.
With a population near 113,204, Costa Mesa comes in 167th of the 212 United States cities we list.
Time gaps from Costa Mesa right now
How Costa Mesa lines up against other major centres at this moment — the numbers move when either side changes its clocks.
| New York | UTC-04:00 | Costa Mesa is 3 hours behind |
| London | UTC+01:00 | Costa Mesa is 8 hours behind |
| Paris | UTC+02:00 | Costa Mesa is 9 hours behind |
| Dubai | UTC+04:00 | Costa Mesa is 11 hours behind |
| Mumbai | UTC+05:30 | Costa Mesa is 12 hours 30 minutes behind |
| Shanghai | UTC+08:00 | Costa Mesa is 15 hours behind |
| Tokyo | UTC+09:00 | Costa Mesa is 16 hours behind |
| Sydney | UTC+10:00 | Costa Mesa is 17 hours behind |
| Sao Paulo | UTC-03:00 | Costa Mesa is 4 hours behind |
When Costa Mesa and other cities overlap
Usable call slots from Costa Mesa, taking business hours as 09:00 to 17:00 in both places.
| New York | 09:00–14:00 in Costa Mesa | 5 hours overlap |
| Sao Paulo | 09:00–13:00 in Costa Mesa | 4 hours overlap |
No shared working window exists with London, Paris, Dubai or Mumbai, so those calls have to sit outside somebody's normal hours.
Same local time as Costa Mesa
No difference at all from Costa Mesa: the cities below share the America/Los_Angeles zone.
Los Angeles San Jose San Francisco San Francisco Seattle Las Vegas Sacramento Bakersfield
Popular cities
| New York, United States |
| London, United Kingdom |
| Paris, France |
| Tokyo, Japan |
| Beijing, China |
| Sydney, Australia |
| Berlin, Germany |
| Moscow, Russia |
| Dubai, United Arab Emirates |
| Singapore, Singapore |
| Los Angeles, United States |
| Chicago, United States |
| Toronto, Canada |
| Mexico City, Mexico |
| São Paulo, Brazil |
| Mumbai, India |
| Hong Kong, Hong Kong |
| Seoul, South Korea |
| Istanbul, Turkey |
| Cairo, Egypt |
| Lagos, Nigeria |
| Buenos Aires, Argentina |
| Madrid, Spain |
| Rome, Italy |