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SUNRISE AND SUNSET INFORMATION

CHATTANOOGA
FEBRUARY 17 2020......SUNRISE   725 AM EST   SUNSET   625 PM EST   
FEBRUARY 18 2020......SUNRISE   724 AM EST   SUNSET   626 PM EST   


KNOXVILLE
FEBRUARY 17 2020......SUNRISE   721 AM EST   SUNSET   619 PM EST   
FEBRUARY 18 2020......SUNRISE   720 AM EST   SUNSET   620 PM EST   


TRI-CITIES
FEBRUARY 17 2020......SUNRISE   716 AM EST   SUNSET   612 PM EST   
FEBRUARY 18 2020......SUNRISE   715 AM EST   SUNSET   613 PM EST   


Astronomical Data

ALERT! The U.S. Navy is currently conducting maintenance on the Sunrise/Sunset website, so many of the links below may not work until mid 2020. A NOAA alternative is available here.


Sun and Moon

Tides and Currents Time

The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (https://www.usno.navy.mil).

See https://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/litigation for information on using these data for legal purposes.