Las Vegas
UTC−7United States · PDT
Sat, 8 Aug 2026
Timezone Guide
Las Vegas, United States runs on UTC−7. Clocks move forward each spring and back each autumn: UTC−8 in winter, UTC−7 in summer. Next change: 1 Nov. There is a 3-hour difference between Las Vegas and New York. Standard 9-to-6 working hours overlap for about 6 hours a day with New York. A good time to connect: 09:00–15:00 in Las Vegas lines up with 12:00–18:00 in New York. There is a 8-hour difference between Las Vegas and London. Standard 9-to-6 working hours overlap for about 1 hours a day with London. A good time to connect: 09:00–10:00 in Las Vegas lines up with 17:00–18:00 in London. There is a 16-hour difference between Las Vegas and Tokyo. Standard 9-to-6 working hours overlap for about 1 hours a day with Tokyo. A good time to connect: 17:00–18:00 in Las Vegas lines up with 09:00–10:00 in Tokyo. This timezone is also shared with cities such as Vancouver, Los Angeles, Phoenix. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Las Vegas.
Practical Info
Las Vegas (United States) is home to roughly 2.3M people. Today brings about 14.5 hours of daylight: sunrise at 05:18, sunset at 19:48. Clocks move forward each spring and back each autumn: UTC−8 in winter, UTC−7 in summer. Next change: 1 Nov. It sits in the Northern Hemisphere, about 36° north of the equator. Traffic drives on the right.
Flag
United States
Capital
Washington, D.C.
Continent
North America
Time Zone
PDT · America/Los_Angeles
Coordinates
36.17°N, 115.14°W
Currency
USD ($)
Calling Code
+1
Driving Side
Right
Hemisphere
Northern
Language
English
Measurement System
Imperial
Did You Know?
The Most Famous Clock Fact in the World Is Probably Wrong
Everyone knows that Las Vegas casinos have no clocks and no windows, so that gamblers lose track of time and keep playing.
The first half is broadly true. From the 1950s to the 1980s, Strip casinos were built as enclosed, windowless environments with no clocks on the walls.
The second half — the why — is disputed by the person best placed to know.
Bill Friedman ran the Castaways and the Silver Slipper casinos in Las Vegas from 1977 to 1990, turning both from loss-makers into profitable operations, and wrote the two standard works on the subject: Casino Management (1974) and Designing Casinos to Dominate the Competition (2000).
Friedman has called it a myth that Nevada's operators removed clocks and daylight to manipulate players into gambling longer. His account is that serious players demanded their removal, because they wanted the fantasy uninterrupted. There is also a mundane reason: direct sunlight puts glare on cards and slot screens.
And the practice has largely ended anyway. Roger Thomas's "playground" design for Wynn Resorts, from the late 1990s, opened casino floors up with natural light, artwork and comfortable furniture. Architects now build windows in for energy efficiency. As one casino manager put it, everybody carries a clock in their pocket.
The clock: but Las Vegas has not stopped selling time. It has just moved it.
Nevada made marriage licences fast in the early 1930s — no blood test, no waiting period — in the same legislative moment that legalised gambling. The result is an industry built entirely on how quickly a date can be obtained.
And the dates themselves have become the product. The wedding trade calls them specialty dates: 12/13/14, 4/3/21, 12/31/23 — which reads 1-2-3-1-2-3.
When New Year's Eve 2023 produced that sequence, Clark County expected so many ceremonies that it opened a temporary marriage licence bureau inside Harry Reid International Airport, so couples could collect the paperwork as they came off the plane.
A city famous for removing clocks, where the busiest days of the year are chosen because of how the numbers look on a calendar.
Sources
- Casino.org, *Vegas Myths Busted: Casinos Banned Sunlight and Clocks* (Bill Friedman'ın mit değerlendirmesi; 1977-1990 arası Castaways ve Silver Slipper yöneticiliği; iki kitabı; 1950-80 arası karanlık tasarım dönemi)
- Mental Floss (Friedman'ın "kaldırılmasını ciddi oyuncular istedi" ifadesi; parlama gerekçesi; Roger Thomas'ın Wynn tasarımı)
- Time Out Chicago (Horseshoe müdürü Dan Nita'nın telefon açıklaması; Steelman Partners'tan Ethan Nelson'ın pencere ve enerji verimliliği açıklaması)
- CBS News (12/31/23 için Harry Reid Havalimanı'nda açılan geçici evlilik ruhsatı bürosu; "özel tarih" kavramı; 4/3/21 ve 12/13/14 örnekleri; Clark County İl Kâtibi Lynn Goya)
- Love Story Wedding Chapel (1930'ların başında kan testi ve bekleme süresinin kaldırılması)
Annual Daylight
Working Hours
2h overlap