The big HF contest weekends of the year - CQ World Wide and WPX, ARRL DX and Sweepstakes, the IARU HF Championship, WAE, All Asian, Russian DX, Field Day and more - on the timelines of your cities.
Contests are announced in UTC and run by the clock: this calendar shows when each one starts and ends in your local time, so you know when to be in the chair. Select a contest for its mode, bands, sponsor and a link to the rules.
In Amateur Radio. Perfect Clock — a world clock with your calendar across time zones.