NMISA Time Website

Welcome to the web site of the Time & Frequency laboratory of the National Metrology Institute of South Africa (NMISA).

From 26 December 2024, 0h UTC, the value for DUT1 is 0,0 s.
(IERS Bulletin D 144, 18 December 2024)

From 10 July 2025, 0h UTC, the value for DUT1 will be 0,1 s.
(IERS Bulletin D 145)

Latest Bulletins

June 2025 - 202507.txt
May 2025 - 202506.txt
April 2025 - 202505.txt
March 2025 - 202504.txt
February 2025 - 202503.txt
January 2025 - 202502.txt
December 2024 - 202501.txt
November 2024 - 202412.txt
October 2024 - 202411.txt
September 2024 - 202410.txt
August 2024 - 202409.txt
July 2024 - 202408.txt

Archived copies