| CQ April 2012 - Contest Calendar | |
| All year | CQ DX Marathon All Year |
| Mar. 24-25 | CQ WW WPX SSB Contest |
| Mar. 31-Apr. 1 | Missouri QSO Party |
| Apr. 7-8 | SP DX Contest |
| Apr. 14 | European CW Sprint |
| Apr. 14-15 | JIDX CW Contest |
| Apr. 14-15 | Georgia QSO Party |
| Apr. 14-15 | Yuri Gagarin International DX Contest |
| Apr. 15 | ARRL Rookie Roundup, SSB |
| Apr. 20-21 | Holyland DX Contest |
| Apr. 21 | European SSB Sprint |
| Apr. 21-22 | Michigan QSO Party |
| Apr. 21-22 | Ontario QSO Party |
| Apr. 21-22 | YU DX Contest |
| Apr. 28-29 | 10-10 Spring Digital Contest |
| Apr. 28-29 | SP DX RTTY Contest |
| Apr. 28-29 | Helvetia Contest |
| Apr. 28-29 | Florida QSO Party |
| Apr. 28-29 | Nebraska QSO Party |
| May 26-27 | CQ WW WPX CW CONTEST |
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