IARU HF World Championship: 1200Z, Jul 12 to 1200Z, Jul 13
Contest Objective: To support amateur self-training in radiocommunications including improving amateur operating skills, conducting technical investigations, and intercommunicating with other amateurs around the world, especially IARU member society headquarters stations, using the
160, 80, 40, 20, 15 and 10 meter bands.
Dates: The second full weekend of July (July 12-13, 2025).
Contest Period: Begins 1200 UTC Saturday and runs through 1159 UTC Sunday. Both Single and Multioperator stations may operate the entire 24-hour period.
https://www.iaru.org/reference/member-societies/
ITU map
https://www.mapability.com/ei8ic/maps/ituzone.php
https://www.mapability.com/ei8ic/maps/ITU_Zones_ARRL_05.png
