At 10:00 AM Tuesday in New York, the stock market has been open for 30 minutes. In Los Angeles it is 7:00 AM. Most West Coast workplaces are still dark, and the opening bell will not ring for another half hour. A bank in Chicago unlocked its doors at 9:00 AM local, which is exactly 10:00 AM New York time. Same moment, four different working days.
The 9-to-5 workday depends on where you stand
"9-to-5" is the cultural shorthand for the standard American workday. Most firms, call centers, and professional services run 9:00 AM to 5:00 PM local time, Monday through Friday. Local time is the catch. When it is 9:00 AM in New York, it is 8:00 AM in Chicago, 7:00 AM in Denver, and 6:00 AM in Los Angeles.
| Time Zone | 9 AM Local = | Typical Work Block |
|---|---|---|
| Eastern (ET) | 9:00 AM | 9:00 AM, 5:00 PM |
| Central (CT) | 8:00 AM ET | 9:00 AM, 5:00 PM |
| Mountain (MT) | 7:00 AM ET | 9:00 AM, 5:00 PM |
| Pacific (PT) | 6:00 AM ET | 9:00 AM, 5:00 PM |
Financial markets run on New York’s clock
The New York Stock Exchange and NASDAQ both trade from 9:30 AM to 4:00 PM Eastern Time, Monday through Friday. The exchanges set that schedule. For the rest of the country:
- Central: 8:30 AM, 3:00 PM CT
- Mountain: 7:30 AM, 2:00 PM MT
- Pacific: 6:30 AM, 1:00 PM PT
Bond trading ends earlier, typically at 2:00 PM ET. Jobs reports, Federal Reserve announcements, and other major economic data drops land at 8:30 AM or 10:00 AM ET, a deliberate choice to reach all US zones during market hours.
What time the market opens in each zone
| Market | Eastern | Central | Mountain | Pacific |
|---|---|---|---|---|
| NYSE/NASDAQ Open | 9:30 AM | 8:30 AM | 7:30 AM | 6:30 AM |
| NYSE/NASDAQ Close | 4:00 PM | 3:00 PM | 2:00 PM | 1:00 PM |
| Bond Market Close | 2:00 PM | 1:00 PM | 12:00 PM | 11:00 AM |
West Coast traders start early. A 6:30 AM desk in San Francisco is normal on trading days. Many East Coast traders wrap by 5:00 PM and give the West Coast no further thought until the next morning.
Bank lobbies open at 9, close at 5
Banks typically open at 9:00 AM and close at 5:00 PM local time, Monday through Friday. Some branches open Saturday mornings, usually 9:00 AM to noon or 1:00 PM. Sunday banking is rare. Drive-through tellers may open earlier and close later, but the lobby schedule is the standard.
Because banks operate on local time, a 4:00 PM wire deadline in New York is 3:00 PM in Chicago and 1:00 PM in Los Angeles. If you need to push a transaction through before close of business, know which zone your bank’s processing center sits in. It is not always your local branch.
Federal agencies and post offices
Federal, state, and local government workplaces generally run 8:00 AM to 4:30 PM or 9:00 AM to 5:00 PM local time, Monday through Friday. Federal operations follow Washington DC hours for national coordination. A federal employee in California works 6:00 AM to 2:30 PM Pacific Time during standard hours.
Post office counters vary by location, but typical hours are 8:30 AM to 5:00 PM local time, Monday through Friday. Saturday hours are common, often 9:00 AM to noon or 1:00 PM. Sunday hours are rare. The last mail pickup usually happens mid-afternoon, well before the counter closes.
Malls, grocery stores, and Sunday hours
Large retailers and malls typically open at 10:00 AM and close at 9:00 PM local time, seven days a week. Supermarkets often open earlier (7:00 AM is common) and close at 10:00 PM. Some grocery chains run 24 hours, though many cut overnight staffing after 2020.
Sunday hours are often shorter, especially where blue laws linger. Most of those statutes have been repealed, but remnants remain. Some counties in Texas, for instance, restrict Sunday morning alcohol sales. Retailers in states with strong blue law traditions may not open until 11:00 AM or noon on Sundays.
What DST switches do to the workday
The United States observes daylight saving time from the second Sunday in March to the first Sunday in November. Clocks spring forward at 2:00 AM local time in March and fall back at 2:00 AM in November.
The transition is simultaneous across all observing zones. When Eastern springs forward at 2:00 AM ET, it is 1:00 AM CT, midnight MT, and 11:00 PM (previous day) PT. For one hour each March, the gap between East and West Coast shrinks to 2 hours instead of 3. In November the reverse happens: for one hour the gap stretches to 4 hours.
Hawaii does not observe DST and stays on Hawaii Standard Time (UTC−10) year-round. Most of Arizona also skips DST, remaining on Mountain Standard Time (UTC−7) all year. In summer Arizona matches Pacific Daylight Time; in winter it matches Mountain Standard Time. The Navajo Nation, which covers parts of Arizona, does observe DST.
Black Friday and holiday shopping hours
Black Friday, the day after Thanksgiving, is the biggest retail day of the year. Many large retailers open at 5:00 AM or even earlier, and some open on Thanksgiving evening. This is a major exception to standard 10 AM openings. In recent years some stores have scaled back Thanksgiving hours and returned to early Friday openings.
Other holiday exceptions include extended hours in December, when malls may stay open until 10:00 PM or 11:00 PM, and reduced hours on Christmas Eve and New Year's Eve, when many retailers close by 6:00 PM.
Summer Fridays and seasonal rhythms
Between Memorial Day and Labor Day, many workplaces adopt "summer Fridays": early dismissal, often at 1:00 PM or 2:00 PM. Some companies close entirely on Fridays. This is informal and varies widely by industry and region. Government agencies and banks do not participate.
Seasonal variation also shapes restaurants and services. Dinner service peaks earlier than in Europe. 6:00 PM to 6:30 PM is typical. Happy hour runs 4:00 PM to 7:00 PM on weekdays. Breakfast service ends by 9:00 AM on weekdays, later on weekends.