Pick your language
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 1-5-2023 | 00:00 | 5-5-2023 | 23:59 | EUCW/FISTS QRS Party | CW |
| 1-5-2023 | 13:00 | 1-5-2023 | 19:00 | AGCW QRP/QRP Party | CW |
| 1-5-2023 | 16:30 | 1-5-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 6-5-2023 | 12:00 | 7-5-2023 | 11:59 | ARI International DX Contest | CW/SSB/RTTY |
| 6-5-2023 | 13:00 | 7-5-2023 | 07:00 | 7th Call Area QSO Party | CW/SSB/Digital |
| 6-5-2023 | 16:00 | 6-5-2023 | 18:00 | FIST Spring Sprint | CW |
| 6-5-2023 | 16:00 | 7-5-2023 | 04:00 | Indiana QSO Party | CW/SSB |
| 6-5-2023 | 17:00 | 7-5-2023 | 01:00 | Delaware QSO Party | CW/Phone |
| 6-5-2023 | 20:00 | 7-5-2023 | 23:59 | New England QSO Party | CW/SSB/Digital |
| 8-5-2023 | 16:30 | 8-5-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 13-5-2023 | 00:00 | 14-5-2023 | 23:59 | VERON SLP Contest - Part 4 | SWL - SSB |
| 13-5-2023 | 12:00 | 14-5-2023 | 11:59 | Alessandro Volta RTTY DX Contest | RTTY |
| 13-5-2023 | 12:00 | 14-5-2023 | 11:59 | CQ-M International DX Contest | CW/SSB |
| 15-5-2023 | 16:30 | 15-5-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 20-5-2023 | 06:00 | 21-5-2023 | 21:00 | UN DX Contest | CW/SSB |
| 20-5-2023 | 12:00 | 21-5-2023 | 12:00 | European PSK DX Contest | BPSK63 |
| 20-5-2023 | 12:00 | 21-5-2023 | 12:00 | His Majesty The King of Spain Contest | CW |
| 21-5-2023 | 21:00 | 21-5-2023 | 23:00 | FIST Spring Sprint | CW |
| 22-5-2023 | 16:30 | 22-5-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 27-5-2023 | 00:00 | 28-5-2023 | 23:59 | CQ WW WPX Contest | CW |
| 30-5-2023 | 16:30 | 30-5-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |