Commonwealth Contest is organised by RSGB, with RAC, WIA, NZART and ARSI. Dates below are in UTC and come from the organiser's rule.
| Contest | Start | End |
|---|---|---|
| Commonwealth Contest | Sat, Mar 13, 2027, 10:00 UTC | Sun, Mar 14, 2027, 10:00 UTC |
| Commonwealth Contest | Sat, Mar 11, 2028, 10:00 UTC | Sun, Mar 12, 2028, 10:00 UTC |
| Commonwealth Contest | Sat, Mar 10, 2029, 10:00 UTC | Sun, Mar 11, 2029, 10:00 UTC |
The second full weekend of March, from Saturday at 10:00 UTC, for 24 hours.
It runs on 80 m, 40 m, 20 m, 15 m, and 10 m.
160 m is not part of it and stays free.
It is CW only: the phone segments stay usable, while the CW segments fill from edge to edge.
The WARC bands (30, 17 and 12 m) stay contest-free by IARU agreement: that is where DXpeditions and quiet QSOs go.
You do not need to be a contester to hand out a few points: answer a CQ, give the exchange exactly as the rules ask, and log the contact. Most organisers take logs in Cabrillo format through an upload page, with a deadline a few days after the end, and even a short log helps the checking. Check-logs are welcome too.
It is one of the 31 contests in the HamQSO calendar, and the feed adds its next editions to your calendar.
The rules are published by RSGB, with RAC, WIA, NZART and ARSI. They change from year to year: read them before you send a log.
