| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 01-04-2017 | 00:00 | 02-04-2017 | 23:59 | 15-Meter SSTV Dash Contest | SSTV |
| 01-04-2017 | 04:00 | 01-04-2017 | 08:00 | LZ Open 40m Contest | CW |
| 01-04-2017 | 15:00 | 02-04-2017 | 15:00 | SP DX Contest | CW/SSB |
| 01-04-2017 | 16:00 | 02-04-2017 | 16:00 | EA RTTY Contest | RTTY |
| 01-04-2017 | 18:00 | 02-04-2017 | 23:59 | Missouri QSO Party | CW/Phone |
| 03-04-2017 | 16:30 | 03-04-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 05-04-2017 | 20:00 | 05-04-2017 | 21:00 | UKEICC 80m contests | SSB |
| 08-04-2017 | 07:00 | 09-04-2017 | 13:00 | Japan International DX Contest | CW |
| 08-04-2017 | 12:00 | 08-04-2017 | 17:00 | DIG QSO Party (10-20m) | CW |
| 08-04-2017 | 12:00 | 09-04-2017 | 12:00 | OK-OM DX SSB Contest | SSB |
| 08-04-2017 | 18:00 | 09-04-2017 | 23:59 | Georgia QSO Party | CW/Phone |
| 08-04-2017 | 21:00 | 09-04-2017 | 21:00 | The Yuri Gagarin International DX Contest | CW |
| 09-04-2017 | 07:00 | 09-04-2017 | 09:00 | DIG QSO Party (80m) | CW |
| 09-04-2017 | 09:00 | 09-04-2017 | 11:00 | DIG QSO Party (40m) | CW |
| 09-04-2017 | 12:00 | 09-04-2017 | 18:00 | International Vintage Contest | SSB/CW/AM |
| 10-04-2017 | 16:30 | 10-04-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 15-04-2017 | 00:00 | 15-04-2017 | 23:59 | TARA Skirmish Digital Prefix Contest | DIGITAL |
| 15-04-2017 | 05:00 | 15-04-2017 | 08:59 | ES Open HF Championship | CW/SSB |
| 15-04-2017 | 12:00 | 16-04-2017 | 23:59 | CQ Manchester Mineira DX Contest | CW |
| 15-04-2017 | 16:00 | 16-04-2017 | 04:00 | Michigan QSO Party | CW/SSB |
| 15-04-2017 | 21:00 | 16-04-2017 | 04:59 | YU DX Contest | CW |
| 15-04-2017 | 21:00 | 16-04-2017 | 21:00 | Holyland DX Contest | ALL |
| 16-04-2017 | 18:00 | 17-04-2017 | 18:00 | Ontario QSO Party | CW/Phone |
| 17-04-2017 | 06:00 | 17-04-2017 | 09:00 | Deutschlandkontest | CW |
| 17-04-2017 | 15:00 | 17-04-2017 | 17:30 | DARC Easter Contest | CW/SSB |
| 17-04-2017 | 16:30 | 17-04-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 22-04-2017 | 12:00 | 23-04-2017 | 12:00 | SP DX RTTY Contest | RTTY |
| 22-04-2017 | 12:00 | 23-04-2017 | 12:00 | UK/EI DX Contest | CW |
| 22-04-2017 | 17:00 | 22-04-2017 | 20:59 | BARTG Spring SPRINT75 | RTTY 75bd |
| 24-04-2017 | 00:00 | 28-04-2017 | 23:59 | EUCW/FISTS QRS Party | CW |
| 24-04-2017 | 16:30 | 24-04-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 26-04/2017 | 20:00 | 26-04-2017 | 21:00 | UKEICC 80m contests | CW |
| 29-04-2017 | 00:01 | 30-04-2017 | 23:59 | 10-10 Spring Digital | Digital |
| 29-04-2017 | 13:00 | 30-04-2017 | 12:59 | Helvetia DX Contest | ALL |
| 29-04-2017 | 16:00 | 30-04-2017 | 21:59 | Florida QSO Party | CW/Phone |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”