San Jose, United States · UTC-7
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San Jose is in the America/Los Angeles timezone (PST/UTC-8, shifting to PDT/UTC-7 during daylight saving time). San Jose is the largest city in Silicon Valley and the seat of Santa Clara County, the county that contains more technology company headquarters per square kilometer than anywhere else on Earth. Intel, Apple, Cisco, Adobe, eBay, and hundreds of other companies are headquartered here or within commuting distance. Pacific Time is the timezone their engineers, product managers, and executives work in by default.
United States Pacific Time, UTC-8 in winter and UTC-7 in summer, runs from Mexico to Canada along the West Coast. San Jose shares it with San Francisco 80 kilometers north and San Diego to the south.
The Santa Clara Valley, before it became Silicon Valley, was covered in orchards: prunes, apricots, cherries. The agricultural rhythm of the valley ran from spring blossom to autumn harvest. The last orchard in San Jose proper was replaced by development decades ago. The valley runs on quarterly earnings cycles and product launch windows now.
tech history in a specific timezone
San Jose’s Tech Museum of Innovation, the Computer History Museum in nearby Mountain View, and the Intel Museum in Santa Clara are all within a short drive of each other. The history of computing was made in this particular timezone, in these specific buildings.
9am in San Jose is 5pm in London in winter.
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Questions about time in San Jose
- What timezone is San Jose in?
- San Jose is in Pacific Time (PT), using the IANA timezone
America/Los_Angeles. The standard UTC offset is UTC-8 (PST) in winter and UTC-7 (PDT) during daylight saving time. - Does San Jose observe daylight saving time?
- Yes. San Jose observes daylight saving time, shifting from UTC-8 (standard time) to UTC-7 in summer.
- What is the current UTC offset for San Jose?
- San Jose is currently at UTC-7. It is currently observing daylight saving time.
- What is the time difference between San Jose and New York?
- San Jose is currently 3 hours behind New York.
- What is the time difference between San Jose and London?
- San Jose is currently 8 hours behind London.
- What is the time difference between San Jose and Tokyo?
- San Jose is currently 16 hours behind Tokyo. Tokyo does not observe daylight saving time, so this gap changes by 1 hour when San Jose transitions to/from DST.
- What is the IANA timezone name for San Jose?
- The IANA timezone database identifier for San Jose is
America/Los_Angeles. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'America/Los_Angeles' })`), Python (`pytz.timezone('America/Los_Angeles')`), or any IANA-compatible library.