Easily convert hours, meetings, and dates between US time zones (ET, CT, MT, PT), UTC, and global regions in real time.
The continental United States spans four primary standard zones: Eastern (UTC-5 / UTC-4 EDT), Central (UTC-6 / UTC-5 CDT), Mountain (UTC-7 / UTC-6 MDT), and Pacific (UTC-8 / UTC-7 PDT). Eastern Time is always 3 hours ahead of Pacific Time.
New York, Washington D.C., Atlanta, Miami
Chicago, Dallas, Houston, Minneapolis
Denver, Phoenix (MST), Salt Lake City
Los Angeles, San Francisco, Seattle, Las Vegas
Greenwich Mean Time (GMT) Standard
GMT / British Summer Time (BST)
Every location on Earth measures local civil time relative to Coordinated Universal Time (UTC). The Earth is conceptually divided into 24 one-hour longitudinal time zones of 15 degrees each.
| Eastern (ET) | Central (CT) | Mountain (MT) | Pacific (PT) | UTC |
|---|---|---|---|---|
| 9:00 AM | 8:00 AM | 7:00 AM | 6:00 AM | 13:00 / 14:00 |
| 12:00 PM (Noon) | 11:00 AM | 10:00 AM | 9:00 AM | 16:00 / 17:00 |
| 3:00 PM | 2:00 PM | 1:00 PM | 12:00 PM | 19:00 / 20:00 |
| 5:00 PM | 4:00 PM | 3:00 PM | 2:00 PM | 21:00 / 22:00 |
New York (Eastern Time) is 3 hours ahead of Los Angeles (Pacific Time). When it is 12:00 PM Noon in New York, it is 9:00 AM in Los Angeles.
Most of Arizona remains on Mountain Standard Time (MST, UTC-7) all year and does not observe Daylight Saving Time, except for the Navajo Nation.
Yes. The converter utilizes standard IANA time zone identifiers directly in the browser's Intl DateTimeFormat API, ensuring seamless transitions between standard and daylight saving hours.