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

IERS News

Latest updates from the IERS, including new messages and bulletins, announcements of meetings and workshops, and further news related to Earth rotation, reference frames, and geophysical fluids.

Date Category Title
06 Nov 2025 Bulletins IERS Bulletin A (rapid EOP data and predictions) - latest issue
03 Nov 2025 Bulletins IERS Bulletin B (monthly EOP data) - latest issue
22 Oct 2025 Messages IERS Message No. 539: TIGER Symposium in Geodesy 2026 - Save the date: Sep. 28 - Oct. 1, 2026
16 Oct 2025 Messages IERS Message No. 538: REFAG2026 - Abstract Deadline Extension to Nov. 2, 2025
01 Oct 2025 Messages IERS Message No. 537: ITRF2020-u2024 is available on line
07 Jul 2025 Bulletins IERS Bulletin C (leap second announcements) - latest issue
20 Jun 2025 Bulletins IERS Bulletin D (announcements of DUT1) - latest issue
18 Jun 2025 Messages IERS Message No. 536: IAG Symposium REFAG2026 - Call for Abstracts