United States has 8 time zones
Hawaii TimeHST · e.g. Honolulu
Hawaii-Aleutian TimeHADT · e.g. Adak
Alaska TimeAKDT · e.g. Anchorage
Pacific TimePDT · e.g. Los Angeles
Mountain TimeMST · e.g. Phoenix
Mountain TimeMDT · e.g. Boise
Eastern TimeEDT · e.g. Detroit
United States time zone
Central Time
Central Daylight Time (CDT)
IANA: America/Chicago · UTC−5
Daylight saving time in United States
In effect now
Next change: Sun 1 Nov, clocks go back 1 hour (02:00 → 01:00)
Sunrise and sunset in United States today
Sunrise 07:09 · Sunset 18:00
Daylight 10h 51m · Solar noon 12:34
Time in United States vs major world cities
| City | Local time | Difference from United States |
|---|
| New York | Thu | 1 hour ahead |
| Los Angeles | Thu | 2 hours behind |
| London | Thu | 6 hours ahead |
| Paris | Thu | 7 hours ahead |
| Dubai | Thu | 9 hours ahead |
| Mumbai | Fri | 10.5 hours ahead |
| Singapore | Fri | 13 hours ahead |
| Tokyo | Fri | 14 hours ahead |
| Sydney | Fri | 16 hours ahead |
| Johannesburg | Thu | 7 hours ahead |
| São Paulo | Thu | 2 hours ahead |
What time zone is United States in?
United States is on Central Time (CDT, UTC−5). The IANA identifier is America/Chicago.
United States spans 8 time zones, from UTC−10 to UTC−4. The clock above shows the time in the capital.
Does United States observe daylight saving time?
Yes. United States is on daylight saving time now. The next changes:
- Sunday 1 November 2026: clocks go back at 02:00 to 01:00 (CDT → CST)
- Sunday 14 March 2027: clocks go forward at 02:00 to 03:00 (CST → CDT)
- Sunday 7 November 2027: clocks go back at 02:00 to 01:00 (CDT → CST)
October 2026 calendar for United States
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
| | | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 | |
Upcoming public holidays in United States
- Wed 11 Nov Veterans Day
- Thu 26 Nov Thanksgiving Day
- Fri 25 Dec Christmas Day
- Fri 1 Jan New Year's Day
- Mon 18 Jan Martin Luther King Jr. Day
- Mon 15 Feb Washington's Birthday
Frequently asked questions about United States
What time zone is United States in?
Central Time (CDT), UTC−5; IANA zone America/Chicago.
When do the clocks change in United States?
Next on Sunday 1 November 2026, when clocks go back from 02:00 to 01:00.