National Institute of Standards and Technology | NIST
The National Institute of Standards and Technology - Time and Frequency Division maintains the standard for frequency and time interval for the United States, provides official time to the United States, and carries out a broad program of research and service activities in …
Time.is - exact time, any time zone
5 天之前 · Time.is displays exact, official atomic clock time for any time zone (more than 7 million locations) in 58 languages.
Time in United States now
4 天之前 · Exact time now, time zone, time difference, sunrise/sunset time and key facts for United States.
NIST Time Widget
It is a web clock showing the official time of day from NIST, displayed as a 12 or 24-hour clock, in a user-selectable time zone. The time reference for the widget is the output of the national time scale called UTC(NIST), which disseminates Coordinated Universal Time UTC(NIST).
Time & frequency | NIST - National Institute of Standards and …
NIST, in coordination with the U.S. Naval Observatory, provides official time for the United States. NIST builds and operates the country’s most accurate atomic clocks, which help set the global time scale known as Coordinated Universal Time.
ABOUT TIME.GOV | NIST - National Institute of Standards and …
2019年12月23日 · For questions about Daylight Saving Time (DST), a.m./p.m., noon/midnight and UTC, check the NIST Time Frequently Asked Questions (FAQ). For time zone offsets around the world, please view a world time zone map .
What Time is It? FAQs - NIST
2024年9月16日 · The current time is shown on the Internet at https://www.time.gov/ - it synchronizes with NIST every ten minutes. There is an accuracy statement based on a measurement of the round-trip network delay. This delay is measured using your computer clock as a timer each time synchronization is made.
The World Clock — Worldwide - timeanddate.com
World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.
Current Local Time in the United States - timeanddate.com
United States time now. USA time zones and time zone map with current time in each state.
Time and Frequency Division | NIST - National Institute of …
2024年12月5日 · The Time and Frequency Division maintains the standard for frequency and time interval for the United States, provides official time to the United States, and carries out a broad program of research and service activities in time and frequency metrology.