What Time Zone Am I In?
Tap the button to see the time zone at your location, its UTC offset and the current local time.
Your time zone
Choose a location to see where it is.
- Address
- County
- State
- ZIP area
- Time zone
- Coordinates
By Ankit Kumar · Updated
What your result means
- Zone name (large text)
- The IANA identifier for your area, such as America/Chicago. It is the name computers use to apply the right standard and daylight time rules.
- Clock
- The current time in that zone, worked out from the zone's rules rather than your device clock. If it differs from your phone, your phone is set to another zone.
- Time zone line
- The zone name again, then today's abbreviation (for example CDT) and the offset from Coordinated Universal Time (for example UTC−05:00). The abbreviation and offset change on daylight saving dates.
- Address, county, state and ZIP area
- Where the point is, so you can check the tool used the right spot. County, state and ZIP code area are US Census data and are blank outside the US.
- Coordinates
- The latitude and longitude that were checked. They are also in the page address, so a shared link opens the same result.
US time zones and the states in each
Federal law sets nine standard time zones (15 U.S.C. § 261), and the Department of Transportation draws their boundaries (49 CFR Part 71). Daylight offsets apply from the second Sunday in March to the first Sunday in November.
| Zone | Standard time | Daylight time | Entirely in the zone | Partly in the zone |
|---|---|---|---|---|
| Atlantic | UTC−4 (AST) | Not observed | Puerto Rico, U.S. Virgin Islands | — |
| Eastern | UTC−5 (EST) | UTC−4 (EDT) | CT, DE, DC, GA, ME, MD, MA, NH, NJ, NY, NC, OH, PA, RI, SC, VT, VA, WV | FL, IN, KY, MI, TN |
| Central | UTC−6 (CST) | UTC−5 (CDT) | AL, AR, IL, IA, LA, MN, MS, MO, OK, WI | FL, IN, KS, KY, MI, NE, ND, SD, TN, TX |
| Mountain | UTC−7 (MST) | UTC−6 (MDT) | AZ (most of the state stays on MST all year), CO, MT, NM, UT, WY | ID, KS, NE, NV, ND, OR, SD, TX |
| Pacific | UTC−8 (PST) | UTC−7 (PDT) | CA, WA | ID, NV, OR |
| Alaska | UTC−9 (AKST) | UTC−8 (AKDT) | — | AK (all but the western Aleutians) |
| Hawaii-Aleutian | UTC−10 (HST) | UTC−9 in the Aleutians only | HI (no daylight saving time) | AK (western Aleutian Islands) |
| Samoa | UTC−11 (SST) | Not observed | American Samoa | — |
| Chamorro | UTC+10 (ChST) | Not observed | Guam, Northern Mariana Islands | — |
States with two time zones
Fourteen states are crossed by a zone boundary in 49 CFR Part 71. In each, the line follows county or natural boundaries:
| State | Zones | Which part is where |
|---|---|---|
| Florida | Eastern / Central | The western Panhandle, west of the Apalachicola River line, is Central. CFR |
| Indiana | Eastern / Central | Most of the state is Eastern; counties in the northwest and southwest corners are Central. CFR |
| Kentucky | Eastern / Central | The eastern half is Eastern; the western half is Central. CFR |
| Michigan | Eastern / Central | Four Upper Peninsula counties on the Wisconsin border are Central. CFR |
| Tennessee | Eastern / Central | East Tennessee is Eastern; Middle and West Tennessee are Central. CFR |
| Kansas | Central / Mountain | A few counties on the Colorado border are Mountain. CFR |
| Nebraska | Central / Mountain | The western Panhandle is Mountain. CFR |
| North Dakota | Central / Mountain | The southwest corner is Mountain. CFR |
| South Dakota | Central / Mountain | The western part, roughly west of the Missouri River, is Mountain. CFR |
| Texas | Central / Mountain | El Paso and Hudspeth counties, in the far west, are Mountain. CFR |
| Idaho | Mountain / Pacific | The northern Panhandle, north of the Salmon River, is Pacific. CFR |
| Oregon | Mountain / Pacific | Most of Malheur County, on the Idaho border, is Mountain. CFR |
| Nevada | Pacific / Mountain | The city of West Wendover, on the Utah border, is Mountain. CFR |
| Alaska | Alaska / Hawaii-Aleutian | The western Aleutian Islands are Hawaii-Aleutian. CFR |
Places with no daylight saving time
Hawaii, Arizona (except the Navajo Nation), Puerto Rico, the U.S. Virgin Islands, Guam, the Northern Mariana Islands and American Samoa stay on standard time all year (U.S. DOT). Federal law lets a state opt out of daylight saving time but not stay on it all year (15 U.S.C. § 260a).
Daylight saving time dates
Rules by region, with the next dates worked out from the IANA time zone database. Many countries do not change their clocks at all, including Mexico, Brazil, India, China and Japan (IANA time zone database).
| Region | Rule | Next start (clocks forward) | Next end (clocks back) |
|---|---|---|---|
| United States (where observed) | Second Sunday in March to first Sunday in November, 2:00 a.m. local time (15 U.S.C. § 260a) | Sun, Mar 14, 2027 | Sun, Nov 7, 2027 |
| European Union | Last Sunday in March to last Sunday in October, 01:00 UTC (Directive 2000/84/EC) | Sun, Mar 28, 2027 | Sun, Oct 31, 2027 |
| United Kingdom | Last Sunday in March (1:00 a.m.) to last Sunday in October (2:00 a.m.) (GOV.UK) | Sun, Mar 28, 2027 | Sun, Oct 31, 2027 |
| Australia: NSW, Victoria, South Australia, Tasmania, ACT | First Sunday in October to first Sunday in April (NSW Government) | Sun, Oct 3, 2027 | Sun, Apr 4, 2027 |
| New Zealand | Last Sunday in September to first Sunday in April (New Zealand Government) | Sun, Sep 26, 2027 | Sun, Apr 4, 2027 |
Next clock change in America/New York
Sunday, March 14, 2027: clocks go forward one hour.
World clocks: major cities compared with your time
Live time, today's UTC offset and the difference from your zone for major cities. When you find your time zone above, the differences switch to that zone.
Compared with your device's time zone. Times update every second.
| City | Time zone | Local time | UTC offset now | Difference | IANA time zone |
|---|---|---|---|---|---|
| New York | Eastern Time | — | UTC−05:00 | — | America/New_York |
| Chicago | Central Time | — | UTC−06:00 | — | America/Chicago |
| Denver | Mountain Time | — | UTC−07:00 | — | America/Denver |
| Phoenix | Mountain Standard Time | — | UTC−07:00 | — | America/Phoenix |
| Los Angeles | Pacific Time | — | UTC−08:00 | — | America/Los_Angeles |
| Anchorage | Alaska Time | — | UTC−09:00 | — | America/Anchorage |
| Honolulu | Hawaii-Aleutian Standard Time | — | UTC−10:00 | — | Pacific/Honolulu |
| San Juan, Puerto Rico | Atlantic Standard Time | — | UTC−04:00 | — | America/Puerto_Rico |
| Mexico City | Central Standard Time | — | UTC−06:00 | — | America/Mexico_City |
| São Paulo | Brasilia Standard Time | — | UTC−03:00 | — | America/Sao_Paulo |
| London | United Kingdom Time | — | UTC+00:00 | — | Europe/London |
| Paris | Central European Time | — | UTC+01:00 | — | Europe/Paris |
| Dubai | Gulf Standard Time | — | UTC+04:00 | — | Asia/Dubai |
| New Delhi | India Standard Time | — | UTC+05:30 | — | Asia/Kolkata |
| Beijing | China Standard Time | — | UTC+08:00 | — | Asia/Shanghai |
| Tokyo | Japan Standard Time | — | UTC+09:00 | — | Asia/Tokyo |
| Sydney | Australian Eastern Time | — | UTC+11:00 | — | Australia/Sydney |
| Auckland | New Zealand Time | — | UTC+13:00 | — | Pacific/Auckland |
Worked examples
Denver, Colorado, before and after November 1
A point in downtown Denver returns America/Denver. Until the first Sunday in November it shows MDT, UTC−06:00; after clocks go back it shows MST, UTC−07:00. The zone name stays the same all year; only the abbreviation and offset change.
Phoenix and Los Angeles
Phoenix (America/Phoenix) is UTC−07:00 in July and UTC−07:00 in January, because most of Arizona skips daylight saving time. Los Angeles is UTC−07:00 in July and UTC−08:00 in January. So at 3:00 p.m. in Phoenix it is also 3:00 p.m. in Los Angeles in July, but 2:00 p.m. in January.
El Paso, Texas
Most of Texas is Central, but El Paso is Mountain time (49 CFR 71.7). When it is noon in Dallas it is 11:00 a.m. in El Paso, all year, because both observe daylight saving time.
Pensacola and Tallahassee, Florida
Pensacola, in the western Panhandle, is Central time; Tallahassee, east of the Apalachicola River line, is Eastern (49 CFR 71.5). The two cities are an hour apart on the clock.
How it works
- Your point comes from your device's GPS, a US address, typed coordinates or a click on the map.
- Our server checks the point against time zone boundary polygons from timezone-boundary-builder, which traces the IANA zones from OpenStreetMap data.
- The zone's current abbreviation and UTC offset are calculated for today from the IANA time zone database, so daylight saving changes take effect automatically.
- The clock, the world clocks and the next clock change run in your browser from the same IANA rules.
Accuracy and limitations
- Near a zone line: the boundaries are simplified and your position has some error, so within a few hundred meters of a line the result can be the neighboring zone.
- Local practice: a few communities near a line keep the neighboring zone's time informally. The tool shows the zone in the boundary data.
- Abbreviations are not unique: CST means Central Standard Time in the US but China Standard Time in China, so the tool always shows the UTC offset as well.
- Rule changes: countries change their clock rules from time to time. The world clocks use your browser's copy of the IANA database, so an out-of-date browser can show an old rule.
- Not an official clock: the time shown is your device clock adjusted to the zone. For the official US time, see time.gov.
Glossary
- UTC (Coordinated Universal Time):
- the world time standard. Every zone is written as an offset from it.
- GMT:
- Greenwich Mean Time, the UK's winter time; on the clock it equals UTC.
- Standard time:
- a zone's base time, used all year where daylight saving time is not observed.
- Daylight saving time (DST):
- clocks set one hour ahead of standard time for part of the year.
- IANA zone:
- an identifier like America/New_York from the database computers use for time rules.
Related tools
The same point also gives you more: which county you are in (useful in split states, where zone lines follow county lines), the state, yourstreet address and yourexact coordinates.
Frequently asked questions
What time zone am I in right now?
Tap "Find my time zone" above. The tool checks your position against time zone boundaries and shows the zone name, its current abbreviation and UTC offset, and a live clock. It does not rely on your device clock, so it is right even if your phone is set to another zone.
Is my time zone EST or CST?
Most of the eastern third of the US is Eastern and most of the middle is Central, but five states are split between the two: Florida, Indiana, Kentucky, Michigan and Tennessee. Check the tool or the split-state table on this page. Between March and November the abbreviations are EDT and CDT.
Does Texas have one or two time zones?
Two. Almost all of Texas is on Central time, but El Paso and Hudspeth counties in the far west are on Mountain time, one hour behind Dallas and Houston all year.
Is Arizona on the same time as Pacific time right now?
From the second Sunday in March to the first Sunday in November, yes: Arizona stays on MST (UTC−7) while California moves to PDT (UTC−7). The rest of the year Arizona is one hour ahead of California. The exception is the Navajo Nation in Arizona, which observes daylight saving time.
Are we on GMT or UTC?
Neither is a US time zone. UTC is the world time standard that every zone is defined against; GMT is the UK’s winter time and is the same as UTC for clock purposes. US zones are written as offsets from UTC, such as UTC−5 for Eastern Standard Time.
Is New York GMT−5 or GMT−4?
Both, at different times of year. New York is UTC−5 (EST) in winter and UTC−4 (EDT) from the second Sunday in March to the first Sunday in November. The tool shows the offset in effect today.
How many time zones does the United States have?
Nine standard time zones are set in federal law: Atlantic, Eastern, Central, Mountain, Pacific, Alaska, Hawaii-Aleutian, Samoa and Chamorro. The 50 states use six of them; the other three cover Puerto Rico and the US territories.
Which states have two time zones?
Fourteen: Alaska, Florida, Idaho, Indiana, Kansas, Kentucky, Michigan, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Tennessee and Texas. No state is in three zones. The table on this page says which part of each state is in which zone.
When does daylight saving time end this year?
In the US it ends on the first Sunday in November at 2:00 a.m. local time and starts on the second Sunday in March. The DST table on this page lists the exact dates.
Which states do not observe daylight saving time?
Hawaii and most of Arizona, plus Puerto Rico, the U.S. Virgin Islands, Guam, the Northern Mariana Islands and American Samoa, according to the U.S. Department of Transportation.
Is daylight saving time ending permanently? Can a state stay on it all year?
Not under current federal law: clocks still change twice a year in states that observe daylight saving time. A state may exempt itself and stay on standard time all year, as Hawaii and Arizona do, but the law does not let a state stay on daylight time permanently. Only Congress can change that.
Why does my phone show the wrong time zone?
Phones set the zone from the cell network or location services. Near a zone line, or when automatic time zone is off, the phone can pick the neighboring zone. Compare it with the zone this tool finds for your position, and turn on automatic time zone in your settings.
What does a name like America/Denver mean?
It is an identifier from the IANA time zone database, which computers use for time rules. One identifier covers a region that has kept the same clock rules since 1970, including its standard and daylight time, so America/Denver is MST in winter and MDT in summer.
I am near a time zone line. Can I trust the result?
Within a few hundred meters of a boundary the result can be the neighboring zone, because the boundaries are simplified and your location has some error. In split states the legal line follows county lines; check the county with our county tool and the tables on this page.
Sources
- 15 U.S.C. § 261 (via Cornell LII) — the nine US standard time zones and their UTC offsets
- 49 CFR Part 71 (via Cornell LII) — time zone boundaries and the states split between zones
- 15 U.S.C. § 260a (via Cornell LII) — US daylight saving time dates and state exemptions
- U.S. Department of Transportation: Daylight Saving Time — places that do not observe daylight saving time; Navajo Nation
- Directive 2000/84/EC (EUR-Lex) — EU summer time dates
- GOV.UK: When do the clocks change? — UK clock change rule
- NSW Government: Daylight saving — Australian daylight saving dates and which states observe it
- New Zealand Government: Daylight saving — New Zealand daylight saving dates
- IANA Time Zone Database — zone names, current offsets, world clocks and the next clock change
- timezone-boundary-builder — time zone boundaries (© OpenStreetMap contributors, ODbL)
- OpenStreetMap Nominatim — address for the chosen point (© OpenStreetMap contributors, ODbL)
- U.S. Census Bureau Geocoder — US county, state and ZIP code area
How each number is produced: methodology and data sources.