| Click on the link to view detailed information about a contest. | |
| Weekly Contests | |
| K1USN Slow Speed Test | 0000Z-0100Z, Monday ( Mar 20) |
| ICWC Medium Speed Test | 1300Z-1400Z, Monday ( Mar 20) |
| OK1WC Memorial | 1630Z-1729Z, Monday ( Mar 20) |
| ICWC Medium Speed Test | 1900Z-2000Z, Monday ( Mar 20) |
| Worldwide Sideband Activity Contest | 0100Z-0159Z, Tuesday ( Mar 21) |
| ICWC Medium Speed Test | 0300Z-0400Z, Tuesday ( Mar 21) |
| QRP Fox Hunt | 0100Z-0230Z, Wednesday ( Mar 22) |
| Phone Weekly Test | 0230Z-0300Z, Wednesday ( Mar 22) |
| A1Club AWT | 1200Z-1300Z, Wednesday ( Mar 22) |
| CWops Test | 1300Z-1400Z, Wednesday ( Mar 22) |
| Mini-Test 40 | 1700Z-1759Z, Wednesday ( Mar 22) |
| Mini-Test 80 | 1800Z-1859Z, Wednesday ( Mar 22) |
| CWops Test | 1900Z-2000Z, Wednesday ( Mar 22) |
| CWops Test | 0300Z-0400Z, Thursday ( Mar 23) |
| CWops Test | 0700Z-0800Z, Thursday ( Mar 23) |
| QRP Fox Hunt | 0100Z-0230Z, Friday ( Mar 24) |
| NCCC RTTY Sprint | 0145Z-0215Z, Friday ( Mar 24) |
| NCCC Sprint | 0230Z-0300Z, Friday ( Mar 24) |
| K1USN Slow Speed Test | 2000Z-2100Z, Friday ( Mar 24) |
| March 20 - 26 | |
| Bucharest Digital Contest | 1800Z-2059Z, Mar 20 |
| CLARA Chatter Party | Cancelled for 2023 |
| SKCC Sprint | 0000Z-0200Z, Mar 22 |
| RSGB 80m Club Championship, SSB | 2000Z-2130Z, Mar 23 |
| CQ WW WPX Contest, SSB | 0000Z, Mar 25 to 2359Z, Mar 26 |
| FOC QSO Party | 0000Z-2359Z, Mar 25 |
| UBA Spring Contest, 6m | 0600Z-1000Z, Mar 26 |
| March 27 - April 2 | |
| QCX Challenge | 1300Z-1400Z, Mar 27 |
| QCX Challenge | 1900Z-2000Z, Mar 27 |
| RSGB FT4 Contest | 2000Z-2130Z, Mar 27 |
| QCX Challenge | 0300Z-0400Z, Mar 28 |
| UKEICC 80m Contest | 2000Z-2100Z, Mar 29 |
| Sasquatch Stomp | 1900Z, Mar 31 to 0300Z, Apr 1 |
| RSGB FT4 International Activity Day | 0800Z-2000Z, Apr 1 |
| PODXS 070 Club PSK 31 Flavors Contest | 1000Z, Apr 1 to 0400Z, Apr 2 |
| EA RTTY Contest | 1200Z, Apr 1 to 1200Z, Apr 2 |
| Louisiana QSO Party | 1400Z, Apr 1 to 0200Z, Apr 2 |
| Mississippi QSO Party | 1400Z, Apr 1 to 0200Z, Apr 2 |
| Missouri QSO Party | 1400Z, Apr 1 to 0400Z, Apr 2 and 1400Z-2000Z, Apr 2 |
| Florida State Parks on the Air | 1400Z-2200Z, Apr 1 and 1400Z-2200Z, Apr 2 |
| SP DX Contest | 1500Z, Apr 1 to 1500Z, Apr 2 |
| April 3 - 9 | |
| RSGB 80m Club Championship, CW | 1900Z-2030Z, Apr 3 |
| ARS Spartan Sprint | 0100Z-0300Z, Apr 4 |
| ZL Sprint | 0800Z-0829Z (CW), Apr 4 and 0830Z-0859Z (SSB), Apr 4 |
| VHF-UHF FT8 Activity Contest | 1700Z-2100Z, Apr 5 |
| UKEICC 80m Contest | 2000Z-2100Z, Apr 5 |
| Walk for the Bacon QRP Contest | 0000Z-0100Z, Apr 6 and 0200Z-0300Z, Apr 7 |
| SARL 80m QSO Party | 1700Z-1900Z, Apr 6 |
| NRAU 10m Activity Contest | 1800Z-1900Z, Apr 6 (CW) and 1900Z-2000Z, Apr 6 (SSB) and 2000Z-2100Z, Apr 6 (FM) and 2100Z-2200Z, Apr 6 (Dig) |
| SKCC Sprint Europe | 2000Z-2200Z, Apr 6 |
| QRP ARCI Spring QSO Party | 0000Z-0600Z, Apr 8 |
| JIDX CW Contest | 0700Z, Apr 8 to 1300Z, Apr 9 |
| SKCC Weekend Sprintathon | 1200Z, Apr 8 to 2400Z, Apr 9 |
| OK/OM DX Contest, SSB | 1200Z, Apr 8 to 1200Z, Apr 9 |
| IG-RY World Wide RTTY Contest | 1200Z, Apr 8 to 1800Z, Apr 9 |
| DIG QSO Party, CW | 1200Z-1700Z, Apr 8 (20m-10m) and 0700Z-0900Z, Apr 9 (80m) and 0900Z-1100Z, Apr 9 (40m) |
| New Mexico QSO Party | 1400Z, Apr 8 to 0200Z, Apr 9 |
| EU Sprint, SSB | 1500Z-1859Z, Apr 8 |
| Georgia QSO Party | 1800Z, Apr 8 to 0359Z, Apr 9 and 1400Z-2359Z, Apr 9 |
| Yuri Gagarin International DX Contest | 2100Z, Apr 8 to 2100Z, Apr 9 |
| WAB 3.5/7/14 MHz Data Modes | 1000Z-1400Z, Apr 9 and 1700Z-2100Z, Apr 9 |
| Hungarian Straight Key Contest | 1500Z-1600Z, Apr 9 |
| April 10 - 16 | |
| 4 States QRP Group Second Sunday Sprint | 0000Z-0200Z, Apr 10 |
| DARC Easter Contest | 1500Z-1730Z, Apr 10 |
| 144 MHz Spring Sprint | 1900 local - 2300 local, Apr 10 |
| ZL Sprint | 0800Z-0829Z (CW), Apr 11 and 0830Z-0859Z (SSB), Apr 11 |
| NAQCC CW Sprint | 0030Z-0230Z, Apr 12 |
| VHF-UHF FT8 Activity Contest | 1700Z-2100Z, Apr 12 |
| EACW Meeting | 1900Z-2000Z, Apr 13 |
| Holyland DX Contest | 2100Z, Apr 14 to 2059Z, Apr 15 |
| ES Open HF Championship | Cancelled for 2023 |
| Worked All Provinces of China DX Contest | 0600Z, Apr 15 to 0559Z, Apr 16 |
| YU DX Contest | 0700Z, Apr 15 to 0659Z, Apr 16 |
| Dutch PACCdigi Contest | 0700Z to 1900Z, Apr 15 |
| CQMM DX Contest | 0900Z, Apr 15 to 2359Z, Apr 16 |
| Nebraska QSO Party | 1300Z, Apr 15 to 0100Z, Apr 16 and 1300Z-2200Z, Apr 16 |
| Texas State Parks on the Air | 1400Z, Apr 15 to 0200Z, Apr 16 and 1400Z-2000Z, Apr 16 |
| Michigan QSO Party | 1600Z, Apr 15 to 0400Z, Apr 16 |
| EA-QRP CW Contest | 1700Z-1800Z, Apr 15 (10m) and 1800Z-1900Z, Apr 15 (15m) and 1900Z-2000Z, Apr 15 (20m) and 2000Z-2100Z, Apr 15 (40m) and 2100Z-2300Z, Apr 15 (80m) and 0700Z-0900Z, Apr 16 (40m) and 0900Z-1000Z, Apr 16 (20m) and 1000Z-1100Z, Apr 16 (15m) and 1100Z-1200Z, Apr 16 (10m) |
| Feld Hell Sprint | 1800Z-2159Z, Apr 15 |
| Ontario QSO Party | 1800Z, Apr 15 to 0500Z, Apr 16 and 1200Z-1800Z, Apr 16 |
| North Dakota QSO Party | 1800Z, Apr 15 to 1800Z, Apr 16 |
| Quebec QSO Party | 1200Z-2000Z, Apr 16 |
| ARRL Rookie Roundup, SSB | 1800Z-2359Z, Apr 16 |
| Run for the Bacon QRP Contest | 2300Z, Apr 16 to 0100Z, Apr 17 |
| April 17 - 23 | |
| ZL Sprint | 0800Z-0829Z (CW), Apr 18 and 0830Z-0859Z (SSB), Apr 18 |
| 222 MHz Spring Sprint | 1900 local - 2300 local, Apr 18 |
| VHF-UHF FT8 Activity Contest | 1700Z-2100Z, Apr 19 |
| RSGB 80m Club Championship, SSB | 1900Z-2030Z, Apr 19 |
| Walk for the Bacon QRP Contest | 0000Z-0100Z, Apr 20 and 0200Z-0300Z, Apr 21 |
| NTC QSO Party | 1900Z-2000Z, Apr 20 |
| QRP to the Field | 0800-1800 local, Apr 22 |
| SP DX RTTY Contest | 1200Z, Apr 22 to 1200Z, Apr 23 |
| North American SSB Sprint Contest | 0000Z-0400Z, Apr 23 |
| International Vintage Contest HF | 0700Z-1100Z, Apr 23 and 1500Z-1900Z, Apr 23 |
| UA1DZ Memorial Cup | 1300Z-1859Z, Apr 23 |
| BARTG Sprint 75 | 1700Z-2059Z, Apr 23 |
5-Week Contest Calendar
