Current Time in Portsmouth, United States
View Portsmouth’s live local time in America/New_York (UTC-4 during DST), plus exact DST changes and city-to-city scheduling tools.
Live Local Time Details
See the current time in Portsmouth, United States, with the America/New_York timezone, UTC offset, and whether daylight saving time is active.
DST Dates and Schedule
Check the exact spring forward and fall back dates for Portsmouth, including when clocks change and how the offset shifts through the year.
Compare and Export Meetings
Compare Portsmouth time with other cities in a visual grid, then export meeting times to ICS, Google Calendar, or Gmail.
How to Check Current Time in Portsmouth, United States
Open the Portsmouth page: Go to
https://www.xconvert.com/time-converter/united-states/portsmouthto see Portsmouth, United States already loaded in the comparison grid. This is useful when you are planning a call with a client in Portsmouth, United States or checking whether your East Coast meeting time still works after a DST change.Add comparison cities: Click + Add City and search for cities such as New York, London, or Dubai to compare schedules across finance, customer support, and international travel routes. Portsmouth, United States sits in the America/New_York zone, so adding major business hubs helps you quickly see whether a morning slot in Portsmouth lands in work hours elsewhere.
Select a time range on the grid: Drag across the 24-hour timeline to highlight a window in purple, then adjust the handles if you need a tighter meeting block. For example, if you select 9:00 AM to 11:00 AM in Portsmouth, United States, you can immediately compare that window against London, Tokyo, Sydney, or Dubai to avoid scheduling a call that lands in the middle of the night for overseas teammates.
Export the schedule: When the 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 useful for distributed teams, because a shared calendar file or link keeps the Portsmouth, United States time aligned for coworkers in different regions without manual conversion mistakes.
About Portsmouth Time Zone
Portsmouth, United States uses the America/New_York IANA time zone, which places it on the U.S. East Coast time system used by major business centers such as New York and much of the Atlantic seaboard. The standard-time offset is UTC-5, and the daylight-saving offset is UTC-4, so the local clock shifts seasonally rather than staying fixed year-round.
Daylight saving time is observed in Portsmouth, United States. In January the offset is UTC-5; in July it is UTC-4. In 2026, clocks go forward 1 hour on Sunday, March 8, 2026, and go back 1 hour on Sunday, November 1, 2026, which matters for travel itineraries, remote standups, and any recurring meeting that crosses the spring and fall transitions.
Because Portsmouth, United States follows the same regional East Coast pattern as nearby cities in the New York time zone, it is often used as a reference point for scheduling across the eastern United States. That makes it practical for industries that run on East Coast business hours, including customer support, logistics coordination, healthcare administration, and financial services that need to align with U.S. market opening times.
Portsmouth City Details
Portsmouth, United States has a population of 20,409, which makes it a smaller U.S. city where local scheduling can still matter for schools, municipal offices, healthcare appointments, and regional business operations. Its coordinates are 38.73174°, -82.99767°, placing it in southern Ohio near the Ohio River corridor, a location that often connects local activity with broader Midwest and East Coast travel patterns.
The currency used in Portsmouth, United States is USD, and the country dialing code is +1. Those details are useful when you are arranging hotel bookings, invoicing a U.S. customer, or calling a local office from abroad, especially if your team is coordinating across U.S. and international time zones.
Time Differences from Portsmouth
In January, Portsmouth, United States (UTC-5) is 5 hours behind London (UTC+0): when it is 9:00 AM in Portsmouth, it is 2:00 PM in London. In July, Portsmouth, United States (UTC-4) is 5 hours behind London (UTC+1): when it is 9:00 AM in Portsmouth, it is 2:00 PM in London. That makes London a practical same-day partner for afternoon calls from Portsmouth, United States throughout the year.
In January, Portsmouth, United States (UTC-5) is 14 hours behind Tokyo (UTC+9): when it is 9:00 AM in Portsmouth, it is 11:00 PM in Tokyo. In July, Portsmouth, United States (UTC-4) is 13 hours behind Tokyo (UTC+9): when it is 9:00 AM in Portsmouth, it is 10:00 PM in Tokyo. This large gap is important for software teams, manufacturing vendors, and support operations that need to avoid late-night handoffs in Japan.
In January, Portsmouth, United States (UTC-5) is 16 hours behind Sydney (UTC+11): when it is 9:00 AM in Portsmouth, it is 1:00 AM the next day in Sydney. In July, Portsmouth, United States (UTC-4) is 14 hours behind Sydney (UTC+10): when it is 9:00 AM in Portsmouth, it is 11:00 PM in Sydney. That difference often pushes meetings into very early morning or late evening for Australian teams, so the grid is helpful for finding a fair overlap.
In January, Portsmouth, United States (UTC-5) is 9 hours behind Dubai (UTC+4): when it is 9:00 AM in Portsmouth, it is 6:00 PM in Dubai. In July, Portsmouth, United States (UTC-4) is 8 hours behind Dubai (UTC+4): when it is 9:00 AM in Portsmouth, it is 5:00 PM in Dubai. This is a useful window for trade, procurement, and remote operations because a Portsmouth morning can still land during the Dubai workday.
Frequently Asked Questions
What time zone is Portsmouth in?
Portsmouth, United States is in the America/New_York time zone. That means it follows the U.S. Eastern time pattern used by major East Coast business and travel schedules, which is especially important if you are coordinating with New York, Washington, or Atlantic-facing operations.
Does Portsmouth observe daylight saving time?
Yes, Portsmouth, United States observes daylight saving time. In January the offset is UTC-5, and in July it is UTC-4, with the 2026 switch occurring on Sunday, March 8, 2026 and Sunday, November 1, 2026. This matters for recurring meetings, because a standing appointment can shift by an hour relative to cities that do not change clocks.
What is the UTC offset for Portsmouth?
Portsmouth, United States uses UTC-5 during standard time and UTC-4 during daylight saving time. If you are scheduling across borders, that means the local clock moves seasonally, so a morning call in Portsmouth can map to different local times in London, Tokyo, Sydney, or Dubai depending on the month.
What is the time difference between Portsmouth and New York?
Portsmouth, United States is on the same Eastern time system as New York, so they align under the same seasonal clock changes. That makes Portsmouth useful for East Coast coordination, especially when you are planning a call with U.S. finance, media, healthcare, or logistics teams that operate on Eastern business hours.
What is the best time to call Portsmouth from the US or UK?
For U.S. callers, the best overlap is usually during Portsmouth’s daytime business hours, especially in the morning and early afternoon when East Coast offices are open. For UK callers, Portsmouth is 5 hours behind London in both January and July, so a 9:00 AM call in Portsmouth lands at 2:00 PM in London, which is a comfortable afternoon slot for cross-Atlantic meetings.
What currency does Portsmouth use?
Portsmouth, United States uses USD. That is useful when you are arranging hotel rates, local invoices, or travel expenses, especially if you are comparing costs across U.S. cities or planning a business trip that includes Portsmouth, United States.
How do I compare Portsmouth time with other cities quickly?
Use the comparison grid on the Portsmouth, United States page to add cities and drag across the 24-hour timeline. The color coding helps you spot work hours, evening overlap, and overnight periods at a glance, which is ideal for remote teams that need to coordinate with London, Dubai, Tokyo, or Sydney without manually converting every time.