See every time zone used in the United States, including Eastern, Central, Mountain, Pacific, Alaska, Hawaii-Aleutian, and U.S. territories, with current UTC offsets.

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Compare and Schedule Times

Use the visual time grid and hour-by-hour tables to compare U.S. time with other countries and cities. Export meetings with ICS download or add them to Google Calendar and Gmail.

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DST Rules and Accuracy

Track U.S. daylight saving time changes with exact transition dates where observed, plus areas that do not use DST. Times update automatically using the IANA timezone database and historical rule changes.

How to Check Time in United States

Open the United States time converter: Go to https://www.xconvert.com/time-converter/united-states to load a visual comparison grid centered on United States time zones. This page is useful when you need to schedule across a country that spans from Pacific/Honolulu at UTC-10 to America/New_York at UTC-5, such as planning a sales call with New York, a product review with San Francisco, and an operations handoff with Anchorage.
Add comparison cities: Click + Add City and search for cities that matter to your schedule, such as New York City, Los Angeles, Chicago, Indianapolis, or Honolulu. This is especially practical for remote teams in finance, media, logistics, software, and customer support, where East Coast business hours, West Coast engineering time, and Hawaii travel or hospitality schedules often need to be compared on one screen.
Select a working time range on the grid: Click Select, then drag across the colored timeline to highlight a meeting window in purple; you can resize it with the left and right handles or move it by dragging the center. For example, you can drag a morning block in New York City and immediately compare how that same window lands in Chicago, Los Angeles, and Honolulu, helping you avoid setting a call that starts during West Coast breakfast hours or late evening in Alaska.
Export and share the selected schedule: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is useful when sending a confirmed cross-country meeting to a distributed team, adding a client briefing to Google Calendar, or sharing a link with recruiters, vendors, or airline and travel coordinators who need the same time window in their own local view.

Time Zones in United States

The United States uses 24 time zone entries in this dataset, reflecting both major national zones and several region-specific entries. The listed zones are: America/Anchorage (UTC-9), America/Boise (UTC-7), America/Chicago (UTC-6), America/Denver (UTC-7), America/Detroit (UTC-5), America/Indiana/Indianapolis (UTC-5), America/Indiana/Knox (UTC-6), America/Indiana/Marengo (UTC-5), America/Indiana/Petersburg (UTC-5), America/Indiana/Tell_City (UTC-6), America/Indiana/Vevay (UTC-5), America/Indiana/Vincennes (UTC-5), America/Indiana/Winamac (UTC-5), America/Juneau (UTC-9), America/Kentucky/Louisville (UTC-5), America/Los_Angeles (UTC-8), America/Menominee (UTC-6), America/Metlakatla (UTC-9), America/New_York (UTC-5), America/Nome (UTC-9), America/North_Dakota/New_Salem (UTC-6), America/Phoenix (UTC-7), America/Sitka (UTC-9), and Pacific/Honolulu (UTC-10).

In practical terms, the country stretches across six UTC offsets in this list: UTC-10, UTC-9, UTC-8, UTC-7, UTC-6, and UTC-5. That spread matters for nationwide operations because when offices on the East Coast begin the workday in America/New_York at UTC-5, teams in Pacific/Honolulu at UTC-10 are five hours behind, and teams in America/Los_Angeles at UTC-8 are three hours behind.

Several entries highlight how timekeeping in the United States is not just a simple four-zone map. Indiana appears with both UTC-5 and UTC-6 entries, including America/Indiana/Indianapolis at UTC-5 and America/Indiana/Knox at UTC-6, while Kentucky and North Dakota also have region-specific identifiers. This matters for transportation, healthcare networks, field service scheduling, and legal deadlines, where using the correct local zone is more reliable than assuming the entire state follows one clock.

The top cities on this page show how these zones connect to major population and business centers. New York City, Queens, The Bronx, and Charlotte use America/New_York; Los Angeles, San Jose, and San Francisco use America/Los_Angeles; Chicago and Fort Worth use America/Chicago; and Indianapolis uses America/Indiana/Indianapolis. For business calls, this means a single “US meeting” can still involve a three-hour gap between New York and California, plus larger differences for Alaska and Hawaii participants.

United States Country Details

The United States is a North American country with its capital in Washington. It has a population of 327,167,434 and a land area of 9,629,091 km², making time coordination especially important for domestic travel, national customer support coverage, federal administration, and coast-to-coast business operations.

The country uses the USD (Dollar), and its international dialing code is +1. These details are useful for international companies handling invoicing in US dollars, setting up telecom routing, or preparing contact information for US-based clients, suppliers, and branch offices.

Languages used in the United States include en-US, es-US, haw, and fr. That linguistic mix is relevant for multilingual customer service, travel bookings, healthcare communication, and public-sector outreach, particularly when scheduling calls or appointments across regions with different local language preferences.

Daylight Saving Time in United States

The United States does use daylight saving time in many parts of the country, but it is not uniform across every listed region. This matters because a nationwide meeting schedule can shift seasonally, and the difference between cities such as New York, Los Angeles, Phoenix, and Honolulu may not stay constant all year.

Regional differences are especially important in the listed time zones. America/Phoenix is commonly treated differently from many other US zones, and Pacific/Honolulu is also a distinct case for scheduling because Hawaii often remains outside the seasonal clock-change pattern used in much of the mainland. Alaska-related entries such as America/Anchorage, America/Juneau, America/Nome, America/Sitka, and America/Metlakatla can also affect nationwide planning when companies run support desks, shipping operations, or government services across all states and territories represented in US timekeeping.

For practical scheduling, daylight saving time affects recurring events more than one-time meetings. A weekly call between New York City, Chicago, Los Angeles, and Phoenix may line up differently in spring and autumn, so recruiters, distributed engineering teams, airline operations planners, and financial services staff should confirm the date on the grid before exporting a calendar invite.

Frequently Asked Questions

how many time zones does United States have?

The United States has 24 time zone entries in this page’s dataset. These include major zones such as America/New_York, America/Chicago, America/Los_Angeles, and Pacific/Honolulu, along with region-specific entries for places like Indiana, Kentucky, North Dakota, and Alaska.

This distinction is important because people often mean two different things when they ask this question: broad national offsets versus actual IANA time zone entries used by cities and regions. For scheduling, the detailed list is more useful because Indianapolis, Phoenix, Honolulu, and Anchorage can behave differently from what a simple “four US time zones” summary suggests.

does United States use daylight saving time?

Yes, the United States uses daylight saving time in many regions, but not every listed zone follows the same seasonal pattern. That means domestic time differences can change during the year, especially when comparing mainland business centers with places such as Phoenix or Honolulu.

This matters for recurring meetings, flight planning, and customer support coverage. If your company works with teams in New York, Los Angeles, Phoenix, and Honolulu, the relative gap between those locations may shift seasonally, so it is worth confirming the selected date before sending an invite.

what is the time difference between United States and UTC?

The United States spans multiple UTC offsets in this dataset, ranging from Pacific/Honolulu at UTC-10 to America/New_York, America/Detroit, America/Indiana/Indianapolis, and other eastern entries at UTC-5. Other listed offsets include UTC-9 for several Alaska zones, UTC-8 for America/Los_Angeles, UTC-7 for America/Boise, America/Denver, and America/Phoenix, and UTC-6 for America/Chicago and several central-region entries.

Because the country covers several offsets, there is no single “United States time” relative to UTC. For international coordination, this means a London, Dubai, or Singapore team should identify the exact US city first rather than assuming one national clock.

what currency does United States use?

The United States uses USD, the Dollar. USD is one of the most widely used currencies in global trade, finance, e-commerce, and corporate reporting, so it is standard for US invoices, payroll references, software billing, and travel expense planning.

This is especially relevant when scheduling across borders because payment deadlines, contract dates, and trading-related communications are often tied to US business hours and settled in dollars. If you are booking services, arranging consulting calls, or preparing a statement of work with a US company, USD is the expected currency reference.

what is the dialing code for United States?

The international dialing code for the United States is +1. This code is used when calling US numbers from abroad, whether you are contacting a New York office, a California vendor, a Chicago warehouse, or a Washington-based government contact.

For businesses, +1 is useful when setting up CRM records, international call routing, WhatsApp-style contact formatting, and customer support directories. It also helps travelers and global teams standardize contact information before meetings, hotel bookings, or airport pickup coordination.

what are the main cities used for time comparison in United States?

Common cities used for time comparison on this page include New York City, Los Angeles, Chicago, Queens, The Bronx, San Jose, Fort Worth, Indianapolis, Charlotte, and San Francisco. These cities represent major commercial, technology, logistics, media, and population centers, so they are practical anchors for national scheduling.

For example, New York City is often used for finance, legal, and media calls; Los Angeles and San Francisco are common for entertainment and technology; Chicago and Fort Worth are useful for transport, manufacturing, and central US operations; and Indianapolis is important for Midwest coordination. Adding several of these rows to the grid gives a more realistic picture than using only one “US” time.

Time Zones in United States

All U.S. Time Zones

Compare and Schedule Times

DST Rules and Accuracy

How to Check Time in United States

Time Zones in United States

United States Country Details

Daylight Saving Time in United States

Frequently Asked Questions

how many time zones does United States have?

does United States use daylight saving time?

what is the time difference between United States and UTC?

what currency does United States use?

what is the dialing code for United States?

what are the main cities used for time comparison in United States?

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