San Diego is a major coastal city located in southern California in the United States. Known for its warm climate, beautiful beaches, and strong economy, San Diego is one of the largest cities in California. The city follows the Pacific Time Zone (PT), which alternates between Pacific Standard Time (PST) and Pacific Daylight Time (PDT) during daylight saving time.
San Diego is also an important center for tourism, military operations, technology, and international trade. Because it sits near the border with Mexico, the city plays a key role in cross-border business and travel between the United States and Mexico.
Current Time
- San Diego follows Pacific Time (PT).
- Standard Time: Pacific Standard Time (PST) – UTC-8
- Daylight Saving Time: Pacific Daylight Time (PDT) – UTC-7
Quick Facts
- Country: United States
- State: California
- Time Zone: Pacific Time (PT)
- IANA Timezone: America/Los_Angeles
- Standard Time Offset: UTC −8
- Daylight Saving Offset: UTC −7
- Population: Around 1.4 million people
- Major Airport: San Diego International Airport (SAN)
Time Difference From
- New York (USA): San Diego is 3 hours behind
- Dallas (USA): San Diego is 2 hours behind
- London (UK): San Diego is 8 hours behind during standard time
- Tokyo (Japan): San Diego is 17 hours behind depending on daylight saving time
Daylight Saving Time
San Diego observes daylight saving time.
Start: Second Sunday in March – clocks move forward 1 hour
End: First Sunday in November – clocks move back 1 hour
Best Time to Call
If you are calling San Diego from other regions:
- Europe (London): 4:00 PM – 10:00 PM
- Asia (Tokyo): 9:00 AM – 12:00 PM
- Australia (Sydney): 8:00 AM – 11:00 AM
These times usually overlap with normal business hours in San Diego.
Frequently Asked Questions
What time zone is San Diego in?
San Diego uses the Pacific Time Zone (PT).
Does San Diego observe daylight saving time?
Yes. The city switches between PST (UTC-8) and PDT (UTC-7) each year.
Is San Diego in the same time zone as Los Angeles?
Yes. Both cities follow Pacific Time (America/Los_Angeles).
Where Is Located
San Diego is located in southern California on the Pacific coast of the United States, near the border with Mexico. It lies about 120 miles south of Los Angeles.
What Is Famous For
San Diego is famous for its beautiful beaches, mild climate, and outdoor lifestyle. Popular attractions include Balboa Park, San Diego Zoo, La Jolla Cove, and SeaWorld. The city is also home to several U.S. Navy and Marine Corps bases.
Additional Note
San Diego is considered one of the most livable cities in the United States due to its pleasant weather, coastal scenery, and strong economy. Tourism, technology, defense, and international trade are key industries that support the city’s growth.



