Current Time in San Mateo, United States
View San Mateo’s live local time in America/Los_Angeles, with UTC-8/UTC-7 offset, DST status, and quick city comparisons.
Live Time and Offset
See the current time in San Mateo, United States, using America/Los_Angeles. This city follows PST (UTC-8) and PDT (UTC-7) during daylight saving time.
DST Change Dates
Track San Mateo’s daylight saving schedule with exact spring-forward and fall-back dates. Know when clocks change and whether the city is currently on DST.
Compare and Schedule
Compare San Mateo time with other cities in a visual hour-by-hour grid, then export meetings to ICS, Google Calendar, or Gmail for easy scheduling.
How to Check Current Time in San Mateo, United States
Open the San Mateo time page: Go to https://www.xconvert.com/time-converter/united-states/san-mateo to see San Mateo, United States already loaded in the comparison grid. This is useful when you need to confirm the local time before a sales call with a Bay Area client, a travel connection through San Francisco International Airport, or a remote check-in with a California team.
Add the cities you need to compare: Click + Add City and search for places like New York, London, or Tokyo if you coordinate with finance, international clients, or distributed engineering teams. San Mateo, United States sits in the Pacific time region, so comparing it with East Coast, European, and Asia-Pacific offices quickly shows whether a meeting lands in business hours or late at night.
Select a time range on the grid: Drag across the 24-hour timeline to highlight a window, then move it with the center handle or resize it with the left and right handles. For example, if you drag a morning slot in San Mateo, United States, you can immediately see how that overlaps with New York, London, or Dubai for a product launch, support handoff, or investor call.
Export and share the schedule: When the purple range is selected, use ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link to send the meeting time to everyone involved. This is especially helpful for distributed teams in software, biotech, and venture-backed startups around the Bay Area who need the same meeting to appear correctly in each person’s calendar.
About San Mateo Time Zone
San Mateo, United States uses the IANA timezone America/Los_Angeles, which places it in the Pacific time region. The standard-time offset is UTC-8, and the daylight-saving offset is UTC-7, so the local clock shifts seasonally rather than staying fixed all year.
Daylight saving time is observed in San Mateo, United States. In 2026, clocks go forward 1 hour on Sunday, March 8, 2026 from UTC-8 to UTC-7, and they go back 1 hour on Sunday, November 1, 2026 from UTC-7 to UTC-8. That seasonal change matters for scheduling with East Coast finance teams, London-based clients, and Asia-Pacific partners because the visual overlap can change even when the local business day stays the same.
Geographically, San Mateo, United States is part of the San Francisco Bay Area in California, close to major tech and services hubs that operate on Pacific Time. It sits near neighboring time zones that are only one or two hours away in the western United States, but it is much farther from New York, London, and Tokyo, which makes precise time comparison important for remote work, trading coordination, and travel planning.
San Mateo City Details
San Mateo, United States has a population of 103,536, making it a substantial Bay Area city with strong ties to technology, professional services, and regional commuting patterns. Its coordinates are 37.56299° latitude and -122.32553° longitude, placing it on the San Francisco Peninsula between San Francisco and Silicon Valley.
The local currency is USD, which is the standard for business, retail, and travel transactions throughout the United States. The country dialing code is +1, so international callers typically use that prefix when reaching San Mateo, United States from abroad.
These details are useful when planning in-person meetings, airport transfers, or customer visits because they help you align time, money, and communications in one place. For example, a team flying into the Bay Area for a conference can use the city’s Pacific time setting and USD pricing context to coordinate hotel check-in, rideshare pickup, and dinner reservations without confusion.
Time Differences from San Mateo
In January, San Mateo, United States (UTC-8) is 3 hours behind New York (UTC-5): when it is 9:00 AM in San Mateo, it is 12:00 PM in New York. In July, San Mateo, United States (UTC-7) is also 3 hours behind New York (UTC-4): when it is 9:00 AM in San Mateo, it is 12:00 PM in New York. That makes late-morning Pacific meetings a practical choice for East Coast teams in product, finance, and customer success.
In January, San Mateo, United States (UTC-8) is 8 hours behind London (UTC+0): when it is 9:00 AM in San Mateo, it is 5:00 PM in London. In July, San Mateo, United States (UTC-7) is 8 hours behind London (UTC+1): when it is 9:00 AM in San Mateo, it is 5:00 PM in London. This is often a strong overlap for transatlantic calls because a San Mateo morning can still catch the end of the London workday.
In January, San Mateo, United States (UTC-8) is 17 hours behind Tokyo (UTC+9): when it is 9:00 AM in San Mateo, it is 2:00 AM the next day in Tokyo. In July, San Mateo, United States (UTC-7) is 16 hours behind Tokyo (UTC+9): when it is 9:00 AM in San Mateo, it is 1:00 AM the next day in Tokyo. For Japan-based stakeholders, this usually means San Mateo teams should look at very early Pacific hours or asynchronous handoffs.
In January, San Mateo, United States (UTC-8) is 19 hours behind Sydney (UTC+11): when it is 9:00 AM in San Mateo, it is 4:00 AM the next day in Sydney. In July, San Mateo, United States (UTC-7) is 17 hours behind Sydney (UTC+10): when it is 9:00 AM in San Mateo, it is 2:00 AM the next day in Sydney. That gap is especially important for software releases, support escalation, and APAC leadership updates.
In January, San Mateo, United States (UTC-8) is 12 hours behind Dubai (UTC+4): when it is 9:00 AM in San Mateo, it is 9:00 PM in Dubai. In July, San Mateo, United States (UTC-7) is 11 hours behind Dubai (UTC+4): when it is 9:00 AM in San Mateo, it is 8:00 PM in Dubai. This can work well for late-day coordination with logistics, trade, and global operations teams in the Middle East.
Frequently Asked Questions
What time zone is San Mateo in?
San Mateo, United States is in the America/Los_Angeles time zone, which is the Pacific time region. The city uses UTC-8 during standard time and UTC-7 during daylight saving time, so the local clock changes seasonally.
Does San Mateo observe daylight saving time?
Yes, San Mateo, United States observes daylight saving time. In 2026, clocks move forward on Sunday, March 8, 2026 and move back on Sunday, November 1, 2026, which changes the offset between UTC-8 and UTC-7. That matters for recurring meetings because a call that works in winter may shift by an hour in summer for people outside California.
What is the time difference between San Mateo and New York?
In January, San Mateo, United States is 3 hours behind New York, and in July it is also 3 hours behind New York. A simple example is that 9:00 AM in San Mateo is 12:00 PM in New York in both seasons, which makes late-morning Pacific meetings a reliable choice for East Coast coordination.
What is the best time to call San Mateo from the US or UK?
For calls from the US East Coast, a late-morning San Mateo slot usually works well because it lines up with midday in New York. For calls from the UK, 9:00 AM in San Mateo is 5:00 PM in London in both January and July, so a San Mateo morning can catch the end of the London workday without forcing an early start in California.
What is the UTC offset for San Mateo?
San Mateo, United States uses UTC-8 in standard time and UTC-7 during daylight saving time. In January the offset is UTC-8, and in July it is UTC-7, so the city shifts by one hour depending on the season.
What currency does San Mateo use?
San Mateo, United States uses USD. That is the standard currency for hotels, restaurants, rideshares, and business expenses in the city, which is helpful when planning travel budgets or reimbursable meetings in the Bay Area.
How do I compare San Mateo time with Tokyo or Sydney?
San Mateo, United States is much earlier than both Tokyo and Sydney, so the overlap is limited and season-dependent. In January, 9:00 AM in San Mateo is 2:00 AM the next day in Tokyo and 4:00 AM the next day in Sydney; in July, 9:00 AM in San Mateo is 1:00 AM the next day in Tokyo and 2:00 AM the next day in Sydney. That makes asynchronous updates, recorded demos, and shared documents especially useful for APAC collaboration.