Sunrise and Sunset Information

SUNRISE AND SUNSET INFORMATION

CHATTANOOGA
APRIL 20 2021.........SUNRISE   7:02 AM EDT   SUNSET   8:18 PM EDT     
APRIL 21 2021.........SUNRISE   7:01 AM EDT   SUNSET   8:18 PM EDT     


KNOXVILLE
APRIL 20 2021.........SUNRISE   6:56 AM EDT   SUNSET   8:14 PM EDT     
APRIL 21 2021.........SUNRISE   6:55 AM EDT   SUNSET   8:15 PM EDT     


TRI-CITIES
APRIL 20 2021.........SUNRISE   6:49 AM EDT   SUNSET   8:08 PM EDT     
APRIL 21 2021.........SUNRISE   6:48 AM EDT   SUNSET   8:09 PM EDT

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. A NOAA alternative is available here.

Sun and Moon

Tides and Currents

Time

Official U.S. 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.