National Weather Service United States Department of Commerce

SUNRISE AND SUNSET INFORMATION

CHATTANOOGA
SEPTEMBER 25 2017.....SUNRISE   731 AM EDT   SUNSET   733 PM EDT   
SEPTEMBER 26 2017.....SUNRISE   732 AM EDT   SUNSET   731 PM EDT   


KNOXVILLE
SEPTEMBER 25 2017.....SUNRISE   726 AM EDT   SUNSET   728 PM EDT   
SEPTEMBER 26 2017.....SUNRISE   727 AM EDT   SUNSET   726 PM EDT   


TRI-CITIES
SEPTEMBER 25 2017.....SUNRISE   720 AM EDT   SUNSET   722 PM EDT   
SEPTEMBER 26 2017.....SUNRISE   721 AM EDT   SUNSET   720 PM EDT   


Astronomical Data

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.