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This project is dedicated to creating an accurate and reliable time scale that is available throughout Japan and in precise agreement with time scales around the world.

Modern society and state-of-the-art technology demand more and more accurately defined time intervals. Clocks based on the universal properties of atoms provide this accuracy. Satellite and fiber links provide the precision to compare them. To maintain Japan Standard Time without interruptions, the signals of multiple clocks need to be combined to improve redundancy and stability.

Contact

If you have questions about the Generation of Standard Time and Frequency, please contact us through

Email : horonet@ml.nict.go.jp
Phone : 042-327-6985

Access - Directions to NICT's Koganei Headquarters