Use of cookies

Cookies help us to provide our services. By using our website you agree that we can use cookies. Read more about our Privacy Policy and visit the following link: Privacy Policy

OK

Navigation and service

International Earth Rotation and Reference Systems Service

How is TT computed from TAI?

TT = TAI + 32.184 sec exactly by convention (although in fact TAI and TT are independent time scales, and different implementations of TT may differ by a few tens of microseconds.)