December 2043

← November This month January → DXpeditions

31 contests running this month. Names only at this zoom — tap a contest for its times, in your own clock or UTC. A contest running across midnight appears on every day it is on the air, with marking the days it continues into rather than starts. Days are UTC, so a contest opening 2200Z sits on the UTC date — which may be the evening before where you are.

Contests in December 2043, by day
Mon	Tue	Wed	Thu	Fri	Sat	Sun
302 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	1	23 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 144 MHz	32 CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint Europe (SKSE)	45 ARRL 160-Meter Contest K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	54 FT Roundup International FT Challenge USKA Weihnachtswettbewerb (SSB / Digital)×2 (2 sessions) continues: ARRL 160-Meter Contest	63 continues: ARRL 160-Meter Contest continues: FT Roundup continues: International FT Challenge
72 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	82 ARS Spartan Sprint DARC CW-Ausbildungscontest	93 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 432 MHz	101 CWops Test (CWT)×2 (2 sessions)	114 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	126 ARI 40/80 Contest ARRL 10-Meter Contest PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER SKCC Weekend Sprintathon (WES) TRC DIGI Contest USKA Weihnachtswettbewerb (CW / Digital)×2 (2 sessions)	135 continues: ARI 40/80 Contest continues: ARRL 10-Meter Contest continues: PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER continues: SKCC Weekend Sprintathon (WES) continues: TRC DIGI Contest
144 4 States QRP Group Second Sunday Sprint (SSS) AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST) continues: PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER	15	163 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 1296 MHz	171 CWops Test (CWT)×2 (2 sessions)	185 AGB-Party K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	192 Croatian DX Contest (9A DX) OK DX RTTY Contest	204 ARRL Rookie Roundup, CW ÖVSV VHF/UHF/Microwave Activity Contest continues: Croatian DX Contest (9A DX) continues: OK DX RTTY Contest
212 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	22	233 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint (SKS)	241 CWops Test (CWT)×2 (2 sessions)	254 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	261 DARC Weihnachtswettbewerb (XMAS Contest)	27
282 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	29	302 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions)	311 CWops Test (CWT)×2 (2 sessions)	18 AGB New Year Snowball AGCW Happy New Year Contest (HNY) AGCW VHF/UHF Contest×2 (2 sessions) ARRL Straight Key Night NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS) SARTG New Year RTTY Contest	25 ARRL Kids Day (January) ARRL RTTY Roundup New Year QSO Party PODXS 070 Club PSKfest RSGB AFS Contest, CW	33 Vytautas Magnus Contest (VMC) continues: ARRL RTTY Roundup continues: New Year QSO Party

Every session in December 204331

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75 sessions across 31 contests; repeats share a row.

Contests starting in December 2043
Contest	Date	Start	End	Duration	Mode	Band	Sponsor	Starts in
A1Club Weekly Test (AWT)5 sessions	Wed 2 DecWed 9 DecWed 16 DecWed 23 DecWed 30 Dec	1145Z1145Z1145Z1145Z1145Z	1300Z1300Z1300Z1300Z1300Z	1h 15m	CW	not recorded	A1 Club	in 6249 daysin 6256 daysin 6263 daysin 6270 daysin 6277 days
CWops Test (CWT)20 sessions	Wed 2 DecWed 2 DecThu 3 DecThu 3 DecWed 9 DecWed 9 DecThu 10 DecThu 10 DecWed 16 DecWed 16 DecThu 17 DecThu 17 DecWed 23 DecWed 23 DecThu 24 DecThu 24 DecWed 30 DecWed 30 DecThu 31 DecThu 31 Dec	1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z	1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z	1h	CW	160-6m	CWops	in 6249 daysin 6250 daysin 6250 daysin 6250 daysin 6256 daysin 6257 daysin 6257 daysin 6257 daysin 6263 daysin 6264 daysin 6264 daysin 6264 daysin 6270 daysin 6271 daysin 6271 daysin 6271 daysin 6277 daysin 6278 daysin 6278 daysin 6278 days
VHF-UHF FT8 Activity: 144 MHz unverified	Wed 2 Dec	1700Z	2100Z	4h	FT8/FT4	2m	QSO BANAT Association (YO2KQT)	in 6249 days
SKCC Straight Key Sprint Europe (SKSE)	Thu 3 Dec	2000Z	2200Z	2h	CW	160-6m	Straight Key Century Club	in 6251 days
NCCC FT4 Sprint (FT4 NS)4 sessions	Fri 4 DecFri 11 DecFri 18 DecFri 25 Dec	0100Z0100Z0100Z0100Z	0130Z0130Z0130Z0130Z	30m	FT8/FT4FT4	160-6m	Northern California Contest Club (NCCC)	in 6251 daysin 6258 daysin 6265 daysin 6272 days
NCCC RTTY Sprint (RTTY NS)4 sessions	Fri 4 DecFri 11 DecFri 18 DecFri 25 Dec	0145Z0145Z0145Z0145Z	0215Z0215Z0215Z0215Z	30m	RTTY	160-15m	Northern California Contest Club (NCCC)	in 6251 daysin 6258 daysin 6265 daysin 6272 days
NCCC Sprint (NS)4 sessions	Fri 4 DecFri 11 DecFri 18 DecFri 25 Dec	0230Z0230Z0230Z0230Z	0300Z0300Z0300Z0300Z	30m	CW	160-15m	Northern California Contest Club (NCCC)	in 6251 daysin 6258 daysin 6265 daysin 6272 days
K1USN Slow Speed Test (SST)8 sessions	Fri 4 DecMon 7 DecFri 11 DecMon 14 DecFri 18 DecMon 21 DecFri 25 DecMon 28 Dec	2000Z0000Z2000Z0000Z2000Z0000Z2000Z0000Z	2100Z0100Z2100Z0100Z2100Z0100Z2100Z0100Z	1h	CW	160-10m	K1USN Radio Club	in 6252 daysin 6254 daysin 6259 daysin 6261 daysin 6266 daysin 6268 daysin 6273 daysin 6275 days
ARRL 160-Meter Contest	Fri 4 Dec	2200Z	1559Z Sun 6 Dec	41h 59m	CW	160m	ARRL	in 6252 days
USKA Weihnachtswettbewerb (SSB / Digital) can't enter2 sessions	Sat 5 DecSat 5 Dec	0700Z1000Z	0959Z1059Z	2h 59m59m	SSBRTTYDigitalFT8/FT4PSK31, PSK63	80m/40m	USKA	in 6252 daysin 6252 days
International FT Challenge	Sat 5 Dec	1800Z	2359Z Sun 6 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	International FT Challenge	in 6253 days
FT Roundup	Sat 5 Dec	1800Z	2359Z Sun 6 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	RTTY Contesting	in 6253 days
AGCW ZAP Merit Contest (ZMC) unverified4 sessions	Mon 7 DecMon 14 DecMon 21 DecMon 28 Dec	1740Z1740Z1740Z1740Z	1830Z1830Z1830Z1830Z	50m	CW	80m	AGCW-DL	in 6255 daysin 6262 daysin 6269 daysin 6276 days
ARS Spartan Sprint	Tue 8 Dec	0100Z	0300Z	2h	CW	80-10m	Adventure Radio Society	in 6255 days
DARC CW-Ausbildungscontest unverified	Tue 8 Dec	1800Z	1859Z	59m	CW	not recorded	DARC	in 6256 days
VHF-UHF FT8 Activity: 432 MHz unverified	Wed 9 Dec	1700Z	2100Z	4h	FT8/FT4	70cm	QSO BANAT Association (YO2KQT)	in 6256 days
ARRL 10-Meter Contest	Sat 12 Dec	0000Z	2359Z Sun 13 Dec	47h 59m	CWSSB	10m	ARRL	in 6259 days
PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER	Sat 12 Dec	0000Z	2359Z Mon 14 Dec	71h 59m	DigitalPSK31	160m/80m/40m	PODXS 070 Club	in 6259 days
TRC DIGI Contest	Sat 12 Dec	0600Z	1800Z Sun 13 Dec	36h	RTTY	160-10m	Thracian Rose Club	in 6259 days
USKA Weihnachtswettbewerb (CW / Digital) can't enter2 sessions	Sat 12 DecSat 12 Dec	0700Z1000Z	0959Z1059Z	2h 59m59m	CWRTTYDigitalFT8/FT4PSK31, PSK63	80m/40m	USKA	in 6259 daysin 6259 days
SKCC Weekend Sprintathon (WES)	Sat 12 Dec	1200Z	2359Z Sun 13 Dec	35h 59m	CW	160-6m	Straight Key Century Club	in 6259 days
ARI 40/80 Contest can't enter	Sat 12 Dec	1300Z	1259Z Sun 13 Dec	23h 59m	CWSSBRTTY	80m/40m	ARI	in 6259 days
4 States QRP Group Second Sunday Sprint (SSS)	Mon 14 Dec	0100Z	0300Z	2h	CWSSBDigital	160-10m	4 States QRP Group	in 6261 days
VHF-UHF FT8 Activity: 1296 MHz unverified	Wed 16 Dec	1700Z	2100Z	4h	DigitalFT8	23cm	QSO BANAT Association (YO2KQT)	in 6263 days
AGB-Party unverified	Fri 18 Dec	1600Z	1700Z	1h	CWSSBDigitalFT8, FT4	80m/40m	AGB	in 6265 days
OK DX RTTY Contest	Sat 19 Dec	0000Z	0000Z Sun 20 Dec	24h	RTTYBaudot	80-10m	CRK	in 6266 days
Croatian DX Contest (9A DX)	Sat 19 Dec	1400Z	1359Z Sun 20 Dec	23h 59m	CWSSB	160-10m	HRS	in 6266 days
ÖVSV VHF/UHF/Microwave Activity Contest	Sun 20 Dec	0700Z	1300Z	6h	CWSSBAMFM	6-3cm	ÖVSV	in 6267 days
ARRL Rookie Roundup, CW	Sun 20 Dec	1800Z	2359Z	5h 59m	CW	80-10m	ARRL	in 6268 days
SKCC Straight Key Sprint (SKS)	Wed 23 Dec	0000Z	0200Z	2h	CW	160-6m	Straight Key Century Club	in 6270 days
DARC Weihnachtswettbewerb (XMAS Contest)	Sat 26 Dec	0830Z	1059Z	2h 29m	CWSSB	80m/40m	DARC	in 6273 days

A1Club Weekly Test (AWT)
CW · A1 Club
- 1145Z Wed 2 Dec → 1300Z · 1h 15min 6249 days
- 1145Z Wed 9 Dec → 1300Z · 1h 15min 6256 days
- 1145Z Wed 16 Dec → 1300Z · 1h 15min 6263 days
- 1145Z Wed 23 Dec → 1300Z · 1h 15min 6270 days
- 1145Z Wed 30 Dec → 1300Z · 1h 15min 6277 days
CWops Test (CWT)
CW · 160-6m · CWops
- 1300Z Wed 2 Dec → 1400Z · 1hin 6249 days
- 1900Z Wed 2 Dec → 2000Z · 1hin 6250 days
- 0300Z Thu 3 Dec → 0400Z · 1hin 6250 days
- 0700Z Thu 3 Dec → 0800Z · 1hin 6250 days
- 1300Z Wed 9 Dec → 1400Z · 1hin 6256 days
- 1900Z Wed 9 Dec → 2000Z · 1hin 6257 days
- 0300Z Thu 10 Dec → 0400Z · 1hin 6257 days
- 0700Z Thu 10 Dec → 0800Z · 1hin 6257 days
- 1300Z Wed 16 Dec → 1400Z · 1hin 6263 days
- 1900Z Wed 16 Dec → 2000Z · 1hin 6264 days
- 0300Z Thu 17 Dec → 0400Z · 1hin 6264 days
- 0700Z Thu 17 Dec → 0800Z · 1hin 6264 days
- 1300Z Wed 23 Dec → 1400Z · 1hin 6270 days
- 1900Z Wed 23 Dec → 2000Z · 1hin 6271 days
- 0300Z Thu 24 Dec → 0400Z · 1hin 6271 days
- 0700Z Thu 24 Dec → 0800Z · 1hin 6271 days
- 1300Z Wed 30 Dec → 1400Z · 1hin 6277 days
- 1900Z Wed 30 Dec → 2000Z · 1hin 6278 days
- 0300Z Thu 31 Dec → 0400Z · 1hin 6278 days
- 0700Z Thu 31 Dec → 0800Z · 1hin 6278 days
VHF-UHF FT8 Activity: 144 MHz unverified
FT8/FT4 · 2m · QSO BANAT Association (YO2KQT)
- 1700Z Wed 2 Dec → 2100Z · 4hin 6249 days
SKCC Straight Key Sprint Europe (SKSE)
CW · 160-6m · Straight Key Century Club
- 2000Z Thu 3 Dec → 2200Z · 2hin 6251 days
NCCC FT4 Sprint (FT4 NS)
FT8/FT4FT4 · 160-6m · Northern California Contest Club (NCCC)
- 0100Z Fri 4 Dec → 0130Z · 30min 6251 days
- 0100Z Fri 11 Dec → 0130Z · 30min 6258 days
- 0100Z Fri 18 Dec → 0130Z · 30min 6265 days
- 0100Z Fri 25 Dec → 0130Z · 30min 6272 days
NCCC RTTY Sprint (RTTY NS)
RTTY · 160-15m · Northern California Contest Club (NCCC)
- 0145Z Fri 4 Dec → 0215Z · 30min 6251 days
- 0145Z Fri 11 Dec → 0215Z · 30min 6258 days
- 0145Z Fri 18 Dec → 0215Z · 30min 6265 days
- 0145Z Fri 25 Dec → 0215Z · 30min 6272 days
NCCC Sprint (NS)
CW · 160-15m · Northern California Contest Club (NCCC)
- 0230Z Fri 4 Dec → 0300Z · 30min 6251 days
- 0230Z Fri 11 Dec → 0300Z · 30min 6258 days
- 0230Z Fri 18 Dec → 0300Z · 30min 6265 days
- 0230Z Fri 25 Dec → 0300Z · 30min 6272 days
K1USN Slow Speed Test (SST)
CW · 160-10m · K1USN Radio Club
- 2000Z Fri 4 Dec → 2100Z · 1hin 6252 days
- 0000Z Mon 7 Dec → 0100Z · 1hin 6254 days
- 2000Z Fri 11 Dec → 2100Z · 1hin 6259 days
- 0000Z Mon 14 Dec → 0100Z · 1hin 6261 days
- 2000Z Fri 18 Dec → 2100Z · 1hin 6266 days
- 0000Z Mon 21 Dec → 0100Z · 1hin 6268 days
- 2000Z Fri 25 Dec → 2100Z · 1hin 6273 days
- 0000Z Mon 28 Dec → 0100Z · 1hin 6275 days
ARRL 160-Meter Contest
CW · 160m · ARRL
- 2200Z Fri 4 Dec → 1559Z Sun 6 Dec · 41h 59min 6252 days
USKA Weihnachtswettbewerb (SSB / Digital) can't enter
SSBRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 5 Dec → 0959Z · 2h 59min 6252 days
- 1000Z Sat 5 Dec → 1059Z · 59min 6252 days
International FT Challenge
FT8/FT4FT4, FT8 · 80-10m · International FT Challenge
- 1800Z Sat 5 Dec → 2359Z Sun 6 Dec · 29h 59min 6253 days
FT Roundup
FT8/FT4FT4, FT8 · 80-10m · RTTY Contesting
- 1800Z Sat 5 Dec → 2359Z Sun 6 Dec · 29h 59min 6253 days
AGCW ZAP Merit Contest (ZMC) unverified
CW · 80m · AGCW-DL
- 1740Z Mon 7 Dec → 1830Z · 50min 6255 days
- 1740Z Mon 14 Dec → 1830Z · 50min 6262 days
- 1740Z Mon 21 Dec → 1830Z · 50min 6269 days
- 1740Z Mon 28 Dec → 1830Z · 50min 6276 days
ARS Spartan Sprint
CW · 80-10m · Adventure Radio Society
- 0100Z Tue 8 Dec → 0300Z · 2hin 6255 days
DARC CW-Ausbildungscontest unverified
CW · DARC
- 1800Z Tue 8 Dec → 1859Z · 59min 6256 days
VHF-UHF FT8 Activity: 432 MHz unverified
FT8/FT4 · 70cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 9 Dec → 2100Z · 4hin 6256 days
ARRL 10-Meter Contest
CWSSB · 10m · ARRL
- 0000Z Sat 12 Dec → 2359Z Sun 13 Dec · 47h 59min 6259 days
PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER
DigitalPSK31 · 160m/80m/40m · PODXS 070 Club
- 0000Z Sat 12 Dec → 2359Z Mon 14 Dec · 71h 59min 6259 days
TRC DIGI Contest
RTTY · 160-10m · Thracian Rose Club
- 0600Z Sat 12 Dec → 1800Z Sun 13 Dec · 36hin 6259 days
USKA Weihnachtswettbewerb (CW / Digital) can't enter
CWRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 12 Dec → 0959Z · 2h 59min 6259 days
- 1000Z Sat 12 Dec → 1059Z · 59min 6259 days
SKCC Weekend Sprintathon (WES)
CW · 160-6m · Straight Key Century Club
- 1200Z Sat 12 Dec → 2359Z Sun 13 Dec · 35h 59min 6259 days
ARI 40/80 Contest can't enter
CWSSBRTTY · 80m/40m · ARI
- 1300Z Sat 12 Dec → 1259Z Sun 13 Dec · 23h 59min 6259 days
4 States QRP Group Second Sunday Sprint (SSS)
CWSSBDigital · 160-10m · 4 States QRP Group
- 0100Z Mon 14 Dec → 0300Z · 2hin 6261 days
VHF-UHF FT8 Activity: 1296 MHz unverified
DigitalFT8 · 23cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 16 Dec → 2100Z · 4hin 6263 days
AGB-Party unverified
CWSSBDigitalFT8, FT4 · 80m/40m · AGB
- 1600Z Fri 18 Dec → 1700Z · 1hin 6265 days
OK DX RTTY Contest
RTTYBaudot · 80-10m · CRK
- 0000Z Sat 19 Dec → 0000Z Sun 20 Dec · 24hin 6266 days
Croatian DX Contest (9A DX)
CWSSB · 160-10m · HRS
- 1400Z Sat 19 Dec → 1359Z Sun 20 Dec · 23h 59min 6266 days
ÖVSV VHF/UHF/Microwave Activity Contest
CWSSBAMFM · 6-3cm · ÖVSV
- 0700Z Sun 20 Dec → 1300Z · 6hin 6267 days
ARRL Rookie Roundup, CW
CW · 80-10m · ARRL
- 1800Z Sun 20 Dec → 2359Z · 5h 59min 6268 days
SKCC Straight Key Sprint (SKS)
CW · 160-6m · Straight Key Century Club
- 0000Z Wed 23 Dec → 0200Z · 2hin 6270 days
DARC Weihnachtswettbewerb (XMAS Contest)
CWSSB · 80m/40m · DARC
- 0830Z Sat 26 Dec → 1059Z · 2h 29min 6273 days

December 2043

Every session in December 204331

VHF-UHF FT8 Activity: 144 MHz unverified

USKA Weihnachtswettbewerb (SSB / Digital) can't enter

AGCW ZAP Merit Contest (ZMC) unverified

DARC CW-Ausbildungscontest unverified

VHF-UHF FT8 Activity: 432 MHz unverified

USKA Weihnachtswettbewerb (CW / Digital) can't enter

ARI 40/80 Contest can't enter

VHF-UHF FT8 Activity: 1296 MHz unverified

AGB-Party unverified