| CQ December 2012 - Contest Calendar | |
| All year | CQ DX Marathon |
| Nov. 24-25 | CQ WW DX CW Contest |
| Nov. 30-Dec. 2 | ARRL 160M Contest |
| Dec. 1-2 | ARRL EME Contest |
| Dec. 1-2 | Tops Activity Contest |
| Dec. 2 | SARL Digital Contest |
| Dec. 8-9 | ARRL 10M Contest |
| Dec. 15 | OK DX RTTY Contest |
| Dec. 15-16 | Croatian CW Contest |
| Dec. 16 | ARRL Rookie Roundup, CW |
| Dec. 16 | QRP ARCI Holiday Spirits Homebrew Sprint |
| Dec. 21 | AGB Party Contest |
| Dec. 23 | RAEM Contest |
| Dec. 26 | DARC Christmas Contest |
| Dec. 29 | RAC Winter Contest |
| Dec. 29 | Stew Perry Topband Challenge |
| Jan. 1 | SARTG New Year RTTY Contest |
| Jan. 5-6 | ARRL RTTY Roundup |
| Jan. 25-27 | CQ WW 160M CW Contest |
| Feb. 22-24 | CQ WW 160M SSB Contest |
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