You are here: Home USNO Earth Orientation Earth Orientation Products Daily Solutions

Daily Solutions

The Read Me documentation provides formats for the data files listed on this page.



all EOP values for the last 90 days (with 90 days of predictions)


Polar motion, UT1-UTC, and length of day values for last 90 days with dX & dY using IAU2000A Nutation/Precession Theory (with 90 days of predictions)


all EOP values for last 90 days (with 15 days of predictions)

USNO Master Clock Time
Javascript must be Enabled