| VHF-UHF FT8 Activity Contest-NA | 0000Z-0500Z, Apr 9 |
| CWops Test (CWT) | 0300Z-0400Z, Apr 9 |
| CWops Test (CWT) | 0700Z-0800Z, Apr 9 |
| NCCC FT4 Sprint | 0100Z-0130Z, Apr 10 |
| Weekly RTTY Test | 0145Z-0215Z, Apr 10 |
| NCCC Sprint | 0230Z-0300Z, Apr 10 |
| K1USN Slow Speed Test | 2000Z-2100Z, Apr 10 |
| QRP ARCI Spring QSO Party | 0000Z-0600Z, Apr 11 |
| JIDX CW Contest | 0700Z, Apr 11 to 1300Z, Apr 12 |
| SKCC Weekend Sprintathon | 1200Z, Apr 11 to 2400Z, Apr 12 |
| OK/OM DX Contest, SSB | 1200Z, Apr 11 to 1159Z, Apr 12 |
| Yuri Gagarin International DX Contest | 1200Z, Apr 11 to 1159Z, Apr 12 |
| IG-RY World Wide RTTY Contest | 1200Z, Apr 11 to 1800Z, Apr 12 |
| DIG QSO Party, CW | 1200Z-1700Z, Apr 11 (20m-10m) and 0700Z-0900Z, Apr 12 (80m) and 0900Z-1100Z, Apr 12 (40m) |
| RSGB FT4 International Activity Day | 1200Z, Apr 11 to 1200Z, Apr 12 |
| New Mexico QSO Party | 1400Z, Apr 11 to 0200Z, Apr 12 |
| Missouri QSO Party | 1400Z, Apr 11 to 0400Z, Apr 12 and 1400Z-2000Z, Apr 12 |
| Africa FT4 DX Contest | 1500Z-1800Z, Apr 11 |
| Georgia QSO Party | 1800Z, Apr 11 to 0359Z, Apr 12 and 1400Z-2359Z, Apr 12 |
| North Dakota QSO Party | 1800Z, Apr 11 to 1800Z, Apr 12 |
| Hungarian Straight Key Contest | 1500Z-1600Z, Apr 12 |
| 4 States QRP Group Second Sunday Sprint | 0000Z-0200Z, Apr 13 |
| K1USN Slow Speed Test | 0000Z-0100Z, Apr 13 |
| ICWC Medium Speed Test | 1300Z-1400Z, Apr 13 |
| OK1WC Memorial (MWC) | 1630Z-1729Z, Apr 13 |
| RSGB 80m Club Championship, CW | 1900Z-2030Z, Apr 13 |
| ICWC Medium Speed Test | 1900Z-2000Z, Apr 13 |
| 144 MHz Spring Sprint | 2300Z, Apr 13 to 0600Z, Apr 14 |
| Worldwide Sideband Activity Contest | 0100Z-0159Z, Apr 14 |
| ICWC Medium Speed Test | 0300Z-0400Z, Apr 14 |
| ZL Sprint | 0800Z-0829Z (CW), Apr 14 and 0830Z-0859Z (SSB), Apr 14 and 0900Z-0929Z (SSB), Apr 14 |
| DARC RTTY Sprint | 1800Z-1929Z, Apr 14 |
| NAQCC CW Sprint | 0030Z-0230Z, Apr 15 |
| Phone Weekly Test | 0230Z-0300Z, Apr 15 |
| A1Club AWT | 1145Z-1300Z, Apr 15 |
| CWops Test (CWT) | 1300Z-1400Z, Apr 15 |
| VHF-UHF FT8 Activity Contest | 1700Z-2100Z, Apr 15 |
| Mini-Test 40 | 1700Z-1759Z, Apr 15 |
| Mini-Test 80 | 1800Z-1859Z, Apr 15 |
| CWops Test (CWT) | 1900Z-2000Z, Apr 15 |
