HF Contest Calendar

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Januari-Janvier-January 2023	April-Avril-April 2023	Juli-Juillet-July2023	Oktober-Octobre-October 2023
Februari-Fevrier-February 2023	Mei-Mai-May 2023	Augustus-Août-August 2023	November-Novembre-November 2023
Maart-Mars-March 2023	Juni-Juin-June 2023	September-Septembre-September 2023	December-Décembre-December 2023

1/1/2023, 00:00 UTC - 31/12/2023, 23:59 UTC CQ DX Marathon
15/1/2023, 00:00 UTC - 14/12/2023, 23:59 UTC VRZA Marathon (enkel PA en ON stations, website enkel in het nederlands/uniquement les stations PA et ON, site web uniquement en néerlandais)
Elke maandag - Tous les lundis - Each Monday - OK1WC Memorial (MWC) Contest - 16:30 UTC - 17:29 UTC

Januari-Janvier-January 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/01/2023	00:00	1/01/2023	23:59	ARRL Straight Key Night	CW
1/01/2023	08:00	1/01/2023	11:00	SARTG New Year Contest	RTTY
1/01/2023	09:00	1/01/2023	12:00	AGCW Happy New Year Contest	CW
2/01/2023	16:30	2/01/2023	17:29	OK1WC Memorial (MWC) Contest	CW
4/01/2023	20:00	4/01/2023	21:00	UKEICC 80m contests	SSB
7/01/2023	07:00	7/01/2023	21:00	Marconi Club Ari Loano Qso Party Day 2023	CW
7/01/2023	12:00	8/01/2023	12:00	WW PMC Contest	CW/SSB
7/01/2023	15:00	8/01/2023	15:00	Original QRP Contest	CW
7/01/2023	18:00	8/01/2023	23:59	ARRL RTTY Roundup	DIGI
7/01/2023	20:00	7/01/2023	23:00	ON5ME - EU CW 160 Meter Contest - 1	CW
8/01/2023	00:00	8/01/2023	23:59	VERON SWL New Year Contest	SWL
8/01/2023	04:00	8/01/2023	07:00	ON5ME - EU CW 160 Meter Contest - 2	CW
8/01/2023	09:00	8/01/2023	10:59	DARC 10 meter Contest	CW/SSB
9/01/2023	16:30	9/01/2023	17:29	OK1WC Memorial (MWC) Contest	CW
14/01/2023	12:00	15/01/2023	12:00	UBA PSK63 Prefix Contest ()**	BPSK63
16/01/2023	16:30	16/01/2023	17:29	OK1WC Memorial (MWC) Contest	CW
21/01/2023	12:00	22/01/2023	11:59	Hungarian DX Contest	CW/SSB
21/01/2023	12:00	22/01/2023	11:59	Pro Digi Contest (PDC)	PSK63
23/01/2023	16:30	23/01/2023	17:29	OK1WC Memorial (MWC) Contest	CW
25/01/2023	20:00	25/01/2023	21:00	UKEICC 80m contests	CW
27/01/2023	22:00	29/01/2023	22:00	CQ WW 160-Meter Contest	CW
28/01/2023	00:00	29/01/2023	23:59	VERON SLP Contest - Part 1	SWL - SSB
28/01/2023	06:00	29/01/2023	18:00	REF Contest	CW
28/01/2023	12:00	29/01/2023	11:59	BARTG RTTY Sprint Contest	RTTY
28/01/2023	13:00	29/01/2023	13:00	UBA DX Contest ()**	SSB
30/01/2023	16:30	30/01/2023	17:29	OK1WC Memorial (MWC) Contest	CW

(**) see: "HF" > "Contest Rules"

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Februari-Fevrier-February 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/02/2023	20:00	1/02/2023	21:00	UKEICC 80m contests	SSB
4/02/2023	00:00	5/02/2023	23:59	Vermont QSO Party	CW/SSB/Digital
4/02/2023	08:00	4/02/2023	16:59	EURASIA HF Championship	CW/SSB
4/02/2023	14:00	4/02/2023	23:59	Minnesota QSO Party	CW/SSB/Digital
4/02/2023	16:00	4/02/2023	18:00	FIST Winter Sprint	CW
4/02/2023	16:00	4/02/2023	19:00	AGCW Straight Key Party 80m	CW
4/02/2023	18:00	5/02/2023	18:00	European Union DX Contest	CW/SSB
4/02/2023	18:00	5/02/2023	23:59	Mexico International RTTY Contest	RTTY
11/02/2023	00:00	12/02/2023	23:59	CQ World Wide WPX Contest	RTTY
11/02/2023	12:00	12/02/2023	12:00	Dutch PACC Contest	CW/SSB
11/02/2023	19:00	11/02/2023	23:00	RSGB1,8 MHz Contest	CW
13/02/2023	13:00	17/02/2023	23:59	ARRL School Club Roundup	ALL
15/02/2023	19:00	15/02/2023	20:30	AGCW Semi Automatic Key Evening	CW
16/02/2023	19:00	16/02/2023	20:00	NTC QSO Party	CW
18/02/2023	00:00	19/02/2023	23:59	ARRL International DX Contest	CW
18/02/2023	12:00	19/02/2023	11:59	Russian WW PSK Contest	BPSK31, 63, 125
19/02/2023	17:00	19/02/2023	21:00	FIST Winter Sprint	CW
22/02/2023	20:00	22/02/2023	21:00	UKEICC 80m contests	CW
24/02/2023	22:00	26/02/2023	22:00	CQ WW 160-Meter Contest	SSB
25/02/2023	06:00	26/02/2023	18:00	REF Contest	SSB
25/02/2023	13:00	26/02/2023	13:00	UBA DX Contest ()**	CW
26/02/2023	15:00	26/02/2023	18:00	High Speed Club CW Contest	CW

(**) see: "HF" > "Contest Rules"

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Maart-Mars-March 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/03/2023	20:00	1/03/2023	21:00	UKEICC 80m contests	SSB
4/03/2023	00:00	5/03/2023	23:59	ARRL International DX Contest	SSB
4/03/2023	00:00	5/03/2023	23:59	VERON SLP Contest - Part 2	SWL - SSB
5/03/2023	07:00	5/03/2023	11:00	UBA Spring Contest 80m ()**	CW
7/03/2023	19:00	7/03/2023	21:00	AGCW YL CW Party	CW
11/03/2023	12:00	11/03/2023	17:00	DIG QSO Party (10-20m)	SSB
11/03/2023	14:00	11/03/2023	20:00	AGCW QRP Contest	CW
11/03/2023	15:00	12/03/2023	15:00	Spring Stew Perry Topband Distance Challenge	CW
11/03/2023	16:00	12/03/2023	16:00	EA PSK63 CONTEST	PSK63
11/03/2023	18:00	12/03/2023	05:59	TESLA Memorial HF CW Contest	CW
12/03/2023	07:00	12/03/2023	11:00	DIG QSO Party (80m-40m)	SSB
12/03/2023	07:00	12/03/2023	11:00	UBA Spring Contest 2m ()**	CW/Phone
16/03/2023	19:00	16/03/2023	20:00	NTC QSO Party	CW
18/03/2023	02:00	19/03/2023	01:59	BARTG HF RTTY Contest	RTTY
18/03/2023	12:00	19/03/2023	12:00	Russian DX Contest	SSB/CW
19/03/2023	07:00	19/03/2023	11:00	UBA Spring Contest 80m ()**	SSB
25/03/2023	00:00	26/03/2023	23:59	CQ WW WPX Contest	SSB
25/03/2023	00:00	26/03/2023	23:59	VERON SLP Contest - Part 3	SWL - SSB
26/03/2023	06:00	26/03/2023	10:00	UBA Spring Contest 6m ()**	CW/Phone
29/03/2023	20:00	29/03/2023	21:00	UKEICC 80m contests	CW

(**) see: "HF" > "Contest Rules"

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April-Avril-April 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/04/2023	15:00	2/04/2023	15:00	SP DX Contest	CW/SSB
1/04/2023	16:00	2/04/2023	16:00	EA RTTY Contest	RTTY
1/04/2023	18:00	2/04/2023	23:59	Missouri QSO Party	CW/Phone
5/04/2023	20:00	5/04/2023	21:00	UKEICC 80m contests	SSB
8/04/2023	07:00	9/04/2023	13:00	Japan International DX Contest	CW
8/04/2023	12:00	8/04/2023	17:00	DIG QSO Party (10-20m)	CW
8/04/2023	12:00	9/04/2023	12:00	OK-OM DX SSB Contest	SSB
8/04/2023	12:00	9/04/2023	18:00	IG-RY World Wide RTTY Contest	RTTY
8/04/2023	18:00	9/04/2023	23:59	Georgia QSO Party	CW/Phone
8/04/2023	21:00	9/04/2023	21:00	The Yuri Gagarin International DX Contest	CW
9/04/2023	07:00	9/04/2023	11:00	DIG QSO Party (80m-40m)	CW
10/04/2023	06:00	10/04/2023	09:00	Deutschlandkontest	CW
10/04/2023	15:00	10/04/2023	17:30	DARC Easter Contest	CW/SSB
14/04/2023	21:00	15/04/2023	21:00	Holyland DX Contest	ALL
15/04/2023	05:00	15/04/2023	08:59	ES Open HF Championship	CW/SSB
15/04/2023	07:00	16/04/2023	06:59	YU DX Contest	CW/SSB
15/04/2023	09:00	16/04/2023	23:59	CQ Manchester Mineira DX Contest	CW
15/04/2023	16:00	16/04/2023	04:00	Michigan QSO Party	CW/SSB
15/04/2023	18:00	16/04/2023	18:00	Ontario QSO Party	CW/Phone
20/04/2023	19:00	20/04/2023	20:00	NTC QSO Party	CW
22/04/2023	08:00	22/04/2023	19:59	YOTA Contest 2022	CW/SSB
26/04/2023	20:00	26/04/2023	21:00	UKEICC 80m contests	CW
29/04/2023	12:00	30/04/2023	12:00	SP DX RTTY Contest	RTTY
29/04/2023	12:00	30/04/2023	12:00	UK/EI DX Contest	CW
29/04/2023	13:00	30/04/2023	12:59	Helvetia DX Contest	ALL
29/04/2023	16:00	30/04/2023	21:59	Florida QSO Party	CW/Phone

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Mei-Mai-May 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/05/2023	00:00	5/05/2023	23:59	EUCW/FISTS QRS Party	CW
1/05/2023	13:00	1/05/2023	19:00	AGCW QRP/QRP Party	CW
6/05/2023	00:00	7/05/2023	23:59	VERON SLP Contest - Part 4	SWL - SSB
6/05/2023	12:00	7/05/2023	11:59	ARI International DX Contest	CW/SSB/RTTY
6/05/2023	13:00	7/05/2023	07:00	7th Call Area QSO Party	CW/SSB/Digital
6/05/2023	16:00	6/05/2023	18:00	FIST Spring Sprint	CW
6/05/2023	16:00	7/05/2023	04:00	Indiana QSO Party	CW/SSB
6/05/2023	17:00	7/05/2023	01:00	Delaware QSO Party	CW/Phone
6/05/2023	20:00	7/05/2023	23:59	New England QSO Party	CW/SSB/Digital
13/05/2023	12:00	14/05/2023	11:59	Alessandro Volta RTTY DX Contest	RTTY
13/05/2023	12:00	14/05/2023	11:59	CQ-M International DX Contest	CW/SSB
18/05/2023	19:00	18/05/2023	20:00	NTC QSO Party	CW
20/05/2023	06:00	21/05/2023	21:00	UN DX Contest	CW/SSB
20/05/2023	12:00	21/05/2023	12:00	European PSK DX Contest	BPSK63
20/05/2023	12:00	21/05/2023	12:00	His Majesty The King of Spain Contest	CW
21/05/2023	21:00	21/05/2023	23:00	FIST Spring Sprint	CW
22/05/2023	20:00	22/05/2023	21:30	RSGB FT4 Contest Series	FT4
27/05/2023	00:00	28/05/2023	23:59	CQ WW WPX Contest	CW

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Juni-Juin-June 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode

3/06/2023	00:00	3/06/2023	23:59	Tisza Cup Contest	CW
3/06/2023	15:00	3/06/2023	15:00	*UBA IARU Region 1 Fieldday ()**	CW
10/06/2023	12:00	11/06/2023	12:00	Portugal Day Contest	SSB/CW
10/06/2023	15:00	11/06/2023	15:00	WWSA CW DX Contest	CW
15/06/2023	19:00	15/06/2023	20:00	NTC QSO Party	CW
17/06/2023	00:00	18/06/2023	23:59	All Asian DX Contest	CW
17/06/2023	15:00	18/06/2023	15:00	Summer Stew Perry Topband Challenge	CW
24/06/2023	12:00	25/06/2023	12:00	His Majesty The King of Spain Contest	SSB
26/06/2023	20:00	26/06/2023	21:30	RSGB FT4 Contest Series	FT4

(*) see: "HF" > "Fieldday News"

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Juli-Juillet-July 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/07/2023	00:00	1/07/2023	23:59	RAC Canada Day Contest	CW/Phone
1/07/2023	14:00	2/07/2023	14:00	Marconi Memorial Contest HF	CW
1/07/2023	15:00	2/07/2023	15:00	Original QRP Contest	CW
8/07/2023	00:00	9/07/2023	23:59	VERON SLP Contest - Part 5	SWL - SSB
8/07/2023	12:00	9/07/2023	12:00	IARU HF World Championship	CW/SSB
17/07/2023	20:00	17/07/2023	21:30	RSGB FT4 Contest Series	FT4
20/07/2023	19:00	20/07/2023	20:00	NTC QSO Party	CW
22/07/2023	10:00	22/07/2023	21:59	YOTA Contest 2022	CW/SSB
29/07/2023	12:00	30/07/2023	12:00	IOTA Contest (Islands on the Air Contest)	CW/SSB

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Augustus-Août-August 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
5/08/2023	12:00	5/08/2023	23:59	European HF Championship	CW/SSB
5/08/2023	16:00	5/08/2023	18:00	FIST Summer Sprint	CW
12/08/2023	00:00	13/08/2023	23:59	Worked All Europe DX Contest	CW
12/08/2023	13:00	13/08/2023	13:00	Spanish Municipalities Contest	SSB
17/08/2023	19:00	17/08/2023	20:00	NTC QSO Party	CW
19/08/2023	00:00	20/08/2023	08:00	SARTG WW RTTY Contest	RTTY
19/08/2023	08:00	20/08/2023	08:00	RDA Contest	CW/SSB
20/08/2023	21:00	20/08/2023	23:00	FIST Summer Sprint	CW
26/08/2023	12:00	27/08/2023	11:59	SCC RTTY Championship	RTTY
26/08/2023	12:00	27/08/2023	11:59	World Wide Digi DX Contest	FT8-FT4
26/08/2023	12:00	27/08/2023	12:00	YO DX HF Contest	CW/SSB
26/08/2023	16:00	27/08/2023	04:00	Ohio QSO Party	CW/SSB

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September-Septembre-September 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
2/09/2023	00:00	3/09/2023	23:59	All Asian DX Contest	SSB
2/09/2023	13:00	2/09/2023	16:00	AGCW Straight Key Party 40m	CW
2/09/2023	13:00	3/09/2023	12:59	*UBA IARU Region 1 Fieldday ()**	SSB
4/09/2023	23:00	5/09/2023	03:00	Michigan QRP Club Labor Day Sprint	CW
9/09/2023	00:00	9/09/2023	23:59	FOC QSO Party	CW
9/09/2023	00:00	10/09/2023	23:59	VERON SLP Contest - Part 6	SWL - SSB
9/09/2023	00:00	10/09/2023	23:59	Worked All Europe DX Contest	SSB
16/09/2023	12:00	17/09/2023	12:00	Scandinavian Activity Contest	CW
16/09/2023	16:00	17/09/2023	03:59	New Jersey QSO Party	CW/SSB
16/09/2023	16:00	17/09/2023	23:59	Washington State Salmon Run	CW/SSB/Digital
17/09/2023	06:00	17/09/2023	10:00	Belgian Mills Award Contest (**)	Phone
18/09/2023	20:00	18/09/2023	21:30	RSGB FT4 Contest Series	FT4
21/09/2023	19:00	21/09/2023	20:00	NTC QSO Party	CW
23/09/2023	00:00	24/09/2023	23:59	CQ World-Wide RTTY DX Contest	RTTY
23/09/2023	12:00	24/09/2023	12:00	Maine QSO Party	CW/SSB
24/09/2023	07:00	24/09/2023	10:00	ON Contest 6 Meter ()**	CW/Phone
30/09/2023	12:00	1/10/2023	11:59	Russian WW Multi Mode Contest	All
30/09/2023	12:00	1/10/2023	12:00	UK/EI DX Contest	SSB

(*) see: "HF" > "Fieldday News" (**) see: "HF" > "Contest Rules"

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Oktober-Octobre-October 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/10/2023	06:00	1/10/2023	09:00	ON Contest - 80m ()**	SSB
3/10/2023	07:00	3/10/2023	12:00	German Telegraphy Contest	CW
7/10/2023	06:00	8/10/2023	06:00	Oceania DX Contest	SSB
7/10/2023	06:00	8/10/2023	18:00	TRC DX Contest	CW/SSB
7/10/2023	12:00	8/10/2023	11:59	Russian WW Digital Contest	RTTY45, BPSK63
7/10/2023	16:00	8/10/2023	21:59	California QSO Party	CW/Phone
8/10/2023	06:00	8/10/2023	09:00	ON Contest - 80m ()**	CW
14/10/2023	00:00	15/10/2023	23:59	VERON SLP Contest - Part 7	SWL - SSB
14/10/2023	06:00	15/10/2023	06:00	Oceania DX Contest	CW
14/10/2023	12:00	15/10/2023	12:00	Scandinavian Activity Contest	SSB
14/10/2023	15:00	15/10/2023	05:00	Arizona QSO Party	CW/SSB/DIGITAL
14/10/2023	16:00	15/10/2023	22:00	Pennsylvania QSO Party	CW/Phone/Digital
15/10/2023	07:00	15/10/2023	10:00	ON Contest - 2m ()**	CW/Phone
16/10/2023	20:00	16/10/2023	21:30	RSGB FT4 Contest Series	FT4
18/10/2023	19:00	18/10/2023	20:30	AGCW Semi Automatic Key Evening	CW
19/10/2023	19:00	19/10/2023	20:00	NTC QSO Party	CW
21/10/2023	00:00	22/10/2023	23:59	JARTS WW RTTY Contest	RTTY
21/10/2023	14:00	22/10/2023	02:00	New York QSO Party	All
21/10/2023	15:00	22/10/2023	14:59	Worked All Germany Contest	CW/SSB
21/10/2023	15:00	22/10/2023	15:00	LowBand Jack	CW
22/10/2023	17:00	23/10/2023	01:00	Illinois QSO Party	CW/SSB
28/10/2023	00:00	29/10/2023	23:59	CQ Worldwide DX Contest	SSB
28/10/2023	00:00	29/10/2023	23:59	VERON SLP Contest - Part 8	SWL - SSB

(*) see: "HF" > "Fieldday News" (**) see: "HF" > "Contest Rules"

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November-Novembre-November 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/11/2023	06:00	1/11/2023	08:59	Silent Key memorial Contest	CW
4/11/2023	06:00	4/11/2023	18:00	IPARC Contest	CW
4/11/2023	12:00	5/11/2023	12:00	Ukrainian DX Contest	Mixed
5/11/2023	06:00	5/11/2023	18:00	IPARC Contest	SSB
5/11/2023	14:00	5/11/2023	17:00	High Speed Club Contest	CW
11/11/2023	00:00	12/11/2023	23:59	JIDX DX Contest	SSB
11/11/2023	00:00	12/11/2023	23:59	WAE DX Contest	RTTY
11/11/2023	12:00	12/11/2023	12:00	OK/OM DX Contest	CW
11/11/2023	16:00	11/11/2023	18:00	FIST Fall Sprint	CW
16/11/2023	19:00	16/11/2023	20:00	NTC QSO Party	CW
18/11/2023	12:00	19/11/2023	12:00	LZ DX Contest	CW/SSB
18/11/2023	19:00	18/11/2023	23:00	RSGB 1.8 MHz Contest	CW
19/11/2023	21:00	19/11/2023	23:00	FIST Fall Sprint	CW
25/11/2023	00:00	26/11/2023	23:59	CQ Worldwide DX Contest	CW
27/11/2023	20:00	27/11/2023	21:30	RSGB FT4 Contest Series	FT4

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December-Décembre-December 2023

Date start	UTC start	Date end	UTC end	Contestname	Mode
1/12/2023	22:00	3/12/2023	16:00	ARRL 160 meter Contest	CW
2/12/2023	12:00	3/12/2023	11:59	Pro CW Contest	CW
2/12/2023	18:00	3/12/2023	23:59	FT Roundup	FT8-FT4
9/12/2023	00:00	10/12/2023	23:59	28 MHz SWL Contest	SWL - CW/SSB
9/12/2023	00:00	10/12/2023	23:59	ARRL 10 meter Contest	CW/SSB
16/12/2023	00:00	17/12/2023	23:59	OK DX RTTY Contest	RTTY
16/12/2023	14:00	17/12/2023	14:00	Croatian CW Contest	CW
21/12/2023	19:00	21/12/2023	20:00	NTC QSO Party	CW
24/12/2023	00:00	24/12/2023	11:59	RAEM Contest	CW
26/12/2023	08:30	26/12/2023	10:59	DARC Christmas Contest	CW/SSB
30/12/2023	12:00	30/12/2023	23:59	YOTA Contest 2022	CW/SSB
30/12/2023	15:00	31/12/2023	15:00	Big Stew Perry Topband Challenge	CW

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