Pick your language
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 1-1-2023 | 00:00 | 1-1-2023 | 23:59 | ARRL Straight Key Night | CW |
| 1-1-2023 | 08:00 | 1-1-2023 | 11:00 | SARTG New Year Contest | RTTY |
| 1-1-2023 | 09:00 | 1-1-2023 | 12:00 | AGCW Happy New Year Contest | CW |
| 2-1-2023 | 16:30 | 2-1-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 4-1-2023 | 20:00 | 4-1-2023 | 21:00 | UKEICC 80m contests | SSB |
| 7-1-2023 | 12:00 | 8-1-2023 | 12:00 | WW PMC Contest | CW/SSB |
| 7-1-2023 | 15:00 | 8-1-2023 | 15:00 | Original QRP Contest | CW |
| 7-1-2023 | 18:00 | 8-1-2023 | 23:59 | ARRL RTTY Roundup | DIGI |
| 7-1-2023 | 20:00 | 7-1-2023 | 23:00 | ON5ME - EU CW 160 Meter Contest - 1 | CW |
| 8-1-2023 | 00:00 | 8-1-2023 | 23:59 | VERON SWL New Year Contest | SWL |
| 8-1-2023 | 04:00 | 8-1-2023 | 07:00 | ON5ME - EU CW 160 Meter Contest - 2 | CW |
| 8-1-2023 | 09:00 | 8-1-2023 | 10:59 | DARC 10 meter Contest | CW/SSB |
| 9-1-2023 | 16:30 | 9-1-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 14-1-2023 | 12:00 | 15-1-2023 | 12:00 | UBA PSK63 Prefix Contest | BPSK63 |
| 16-1-2023 | 16:30 | 16-1-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 21-1-2023 | 12:00 | 22-1-2023 | 11:59 | Hungarian DX Contest | CW/SSB |
| 21-1-2023 | 12:00 | 22-1-2023 | 11:59 | Pro Digi Contest (PDC) | PSK63 |
| 23-1-2023 | 16:30 | 23-1-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |
| 25-1-2023 | 20:00 | 25-1-2023 | 21:00 | UKEICC 80m contests | CW |
| 27-1-2023 | 22:00 | 29-1-2023 | 22:00 | CQ WW 160-Meter Contest | CW |
| 28-1-2023 | 00:00 | 29-1-2023 | 23:59 | VERON SLP Contest - Part 1 | SWL - SSB |
| 28-1-2023 | 06:00 | 29-1-2023 | 18:00 | REF Contest | CW |
| 28-1-2023 | 12:00 | 29-1-2023 | 11:59 | BARTG RTTY Sprint Contest | RTTY |
| 28-1-2023 | 13:00 | 29-1-2023 | 13:00 | UBA DX Contest | SSB |
| 30-1-2023 | 16:30 | 30-1-2023 | 17:29 | OK1WC Memorial (MWC) Contest | CW |