December 2027

← 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 2027, by day
Mon	Tue	Wed	Thu	Fri	Sat	Sun
292 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	30	13 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 144 MHz	22 CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint Europe (SKSE)	35 ARRL 160-Meter Contest K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	44 FT Roundup International FT Challenge USKA Weihnachtswettbewerb (SSB / Digital)×2 (2 sessions) continues: ARRL 160-Meter Contest	53 continues: ARRL 160-Meter Contest continues: FT Roundup continues: International FT Challenge
62 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	71 ARS Spartan Sprint	83 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 432 MHz	91 CWops Test (CWT)×2 (2 sessions)	104 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	116 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)	125 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
134 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	141 DARC CW-Ausbildungscontest	153 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 1296 MHz	161 CWops Test (CWT)×2 (2 sessions)	175 AGB-Party K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	182 Croatian DX Contest (9A DX) OK DX RTTY Contest	194 ARRL Rookie Roundup, CW ÖVSV VHF/UHF/Microwave Activity Contest continues: Croatian DX Contest (9A DX) continues: OK DX RTTY Contest
202 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	21	223 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint (SKS)	231 CWops Test (CWT)×2 (2 sessions)	244 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	25	261 DARC Weihnachtswettbewerb (XMAS Contest)
272 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	28	292 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions)	301 CWops Test (CWT)×2 (2 sessions)	314 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	16 AGB New Year Snowball AGCW Happy New Year Contest (HNY) AGCW VHF/UHF Contest×2 (2 sessions) ARRL Kids Day (January) ARRL Straight Key Night SARTG New Year RTTY Contest	22 New Year QSO Party Vytautas Magnus Contest (VMC)

Every session in December 202731

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79 sessions across 31 contests; repeats share a row.

Contests starting in December 2027
Contest	Date	Start	End	Duration	Mode	Band	Sponsor	Starts in
A1Club Weekly Test (AWT)5 sessions	Wed 1 DecWed 8 DecWed 15 DecWed 22 DecWed 29 Dec	1145Z1145Z1145Z1145Z1145Z	1300Z1300Z1300Z1300Z1300Z	1h 15m	CW	not recorded	A1 Club	in 410 daysin 417 daysin 424 daysin 431 daysin 438 days
CWops Test (CWT)20 sessions	Wed 1 DecWed 1 DecThu 2 DecThu 2 DecWed 8 DecWed 8 DecThu 9 DecThu 9 DecWed 15 DecWed 15 DecThu 16 DecThu 16 DecWed 22 DecWed 22 DecThu 23 DecThu 23 DecWed 29 DecWed 29 DecThu 30 DecThu 30 Dec	1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z	1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z	1h	CW	160-6m	CWops	in 410 daysin 410 daysin 411 daysin 411 daysin 417 daysin 417 daysin 418 daysin 418 daysin 424 daysin 424 daysin 425 daysin 425 daysin 431 daysin 431 daysin 432 daysin 432 daysin 438 daysin 438 daysin 439 daysin 439 days
VHF-UHF FT8 Activity: 144 MHz unverified	Wed 1 Dec	1700Z	2100Z	4h	FT8/FT4	2m	QSO BANAT Association (YO2KQT)	in 410 days
SKCC Straight Key Sprint Europe (SKSE)	Thu 2 Dec	2000Z	2200Z	2h	CW	160-6m	Straight Key Century Club	in 411 days
NCCC FT4 Sprint (FT4 NS)5 sessions	Fri 3 DecFri 10 DecFri 17 DecFri 24 DecFri 31 Dec	0100Z0100Z0100Z0100Z0100Z	0130Z0130Z0130Z0130Z0130Z	30m	FT8/FT4FT4	160-6m	Northern California Contest Club (NCCC)	in 411 daysin 418 daysin 425 daysin 432 daysin 439 days
NCCC RTTY Sprint (RTTY NS)5 sessions	Fri 3 DecFri 10 DecFri 17 DecFri 24 DecFri 31 Dec	0145Z0145Z0145Z0145Z0145Z	0215Z0215Z0215Z0215Z0215Z	30m	RTTY	160-15m	Northern California Contest Club (NCCC)	in 411 daysin 418 daysin 425 daysin 432 daysin 439 days
NCCC Sprint (NS)5 sessions	Fri 3 DecFri 10 DecFri 17 DecFri 24 DecFri 31 Dec	0230Z0230Z0230Z0230Z0230Z	0300Z0300Z0300Z0300Z0300Z	30m	CW	160-15m	Northern California Contest Club (NCCC)	in 412 daysin 419 daysin 426 daysin 433 daysin 440 days
K1USN Slow Speed Test (SST)9 sessions	Fri 3 DecMon 6 DecFri 10 DecMon 13 DecFri 17 DecMon 20 DecFri 24 DecMon 27 DecFri 31 Dec	2000Z0000Z2000Z0000Z2000Z0000Z2000Z0000Z2000Z	2100Z0100Z2100Z0100Z2100Z0100Z2100Z0100Z2100Z	1h	CW	160-10m	K1USN Radio Club	in 412 daysin 414 daysin 419 daysin 421 daysin 426 daysin 428 daysin 433 daysin 435 daysin 440 days
ARRL 160-Meter Contest	Fri 3 Dec	2200Z	1559Z Sun 5 Dec	41h 59m	CW	160m	ARRL	in 412 days
USKA Weihnachtswettbewerb (SSB / Digital) can't enter2 sessions	Sat 4 DecSat 4 Dec	0700Z1000Z	0959Z1059Z	2h 59m59m	SSBRTTYDigitalFT8/FT4PSK31, PSK63	80m/40m	USKA	in 413 daysin 413 days
International FT Challenge	Sat 4 Dec	1800Z	2359Z Sun 5 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	International FT Challenge	in 413 days
FT Roundup	Sat 4 Dec	1800Z	2359Z Sun 5 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	RTTY Contesting	in 413 days
AGCW ZAP Merit Contest (ZMC) unverified4 sessions	Mon 6 DecMon 13 DecMon 20 DecMon 27 Dec	1740Z1740Z1740Z1740Z	1830Z1830Z1830Z1830Z	50m	CW	80m	AGCW-DL	in 415 daysin 422 daysin 429 daysin 436 days
ARS Spartan Sprint	Tue 7 Dec	0100Z	0300Z	2h	CW	80-10m	Adventure Radio Society	in 415 days
VHF-UHF FT8 Activity: 432 MHz unverified	Wed 8 Dec	1700Z	2100Z	4h	FT8/FT4	70cm	QSO BANAT Association (YO2KQT)	in 417 days
ARRL 10-Meter Contest	Sat 11 Dec	0000Z	2359Z Sun 12 Dec	47h 59m	CWSSB	10m	ARRL	in 419 days
PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER	Sat 11 Dec	0000Z	2359Z Mon 13 Dec	71h 59m	DigitalPSK31	160m/80m/40m	PODXS 070 Club	in 419 days
TRC DIGI Contest	Sat 11 Dec	0600Z	1800Z Sun 12 Dec	36h	RTTY	160-10m	Thracian Rose Club	in 420 days
USKA Weihnachtswettbewerb (CW / Digital) can't enter2 sessions	Sat 11 DecSat 11 Dec	0700Z1000Z	0959Z1059Z	2h 59m59m	CWRTTYDigitalFT8/FT4PSK31, PSK63	80m/40m	USKA	in 420 daysin 420 days
SKCC Weekend Sprintathon (WES)	Sat 11 Dec	1200Z	2359Z Sun 12 Dec	35h 59m	CW	160-6m	Straight Key Century Club	in 420 days
ARI 40/80 Contest can't enter	Sat 11 Dec	1300Z	1259Z Sun 12 Dec	23h 59m	CWSSBRTTY	80m/40m	ARI	in 420 days
4 States QRP Group Second Sunday Sprint (SSS)	Mon 13 Dec	0100Z	0300Z	2h	CWSSBDigital	160-10m	4 States QRP Group	in 421 days
DARC CW-Ausbildungscontest unverified	Tue 14 Dec	1800Z	1859Z	59m	CW	not recorded	DARC	in 423 days
VHF-UHF FT8 Activity: 1296 MHz unverified	Wed 15 Dec	1700Z	2100Z	4h	DigitalFT8	23cm	QSO BANAT Association (YO2KQT)	in 424 days
AGB-Party unverified	Fri 17 Dec	1600Z	1700Z	1h	CWSSBDigitalFT8, FT4	80m/40m	AGB	in 426 days
OK DX RTTY Contest	Sat 18 Dec	0000Z	0000Z Sun 19 Dec	24h	RTTYBaudot	80-10m	CRK	in 426 days
Croatian DX Contest (9A DX)	Sat 18 Dec	1400Z	1359Z Sun 19 Dec	23h 59m	CWSSB	160-10m	HRS	in 427 days
ÖVSV VHF/UHF/Microwave Activity Contest	Sun 19 Dec	0700Z	1300Z	6h	CWSSBAMFM	6-3cm	ÖVSV	in 428 days
ARRL Rookie Roundup, CW	Sun 19 Dec	1800Z	2359Z	5h 59m	CW	80-10m	ARRL	in 428 days
SKCC Straight Key Sprint (SKS)	Wed 22 Dec	0000Z	0200Z	2h	CW	160-6m	Straight Key Century Club	in 430 days
DARC Weihnachtswettbewerb (XMAS Contest)	Sun 26 Dec	0830Z	1059Z	2h 29m	CWSSB	80m/40m	DARC	in 435 days

A1Club Weekly Test (AWT)
CW · A1 Club
- 1145Z Wed 1 Dec → 1300Z · 1h 15min 410 days
- 1145Z Wed 8 Dec → 1300Z · 1h 15min 417 days
- 1145Z Wed 15 Dec → 1300Z · 1h 15min 424 days
- 1145Z Wed 22 Dec → 1300Z · 1h 15min 431 days
- 1145Z Wed 29 Dec → 1300Z · 1h 15min 438 days
CWops Test (CWT)
CW · 160-6m · CWops
- 1300Z Wed 1 Dec → 1400Z · 1hin 410 days
- 1900Z Wed 1 Dec → 2000Z · 1hin 410 days
- 0300Z Thu 2 Dec → 0400Z · 1hin 411 days
- 0700Z Thu 2 Dec → 0800Z · 1hin 411 days
- 1300Z Wed 8 Dec → 1400Z · 1hin 417 days
- 1900Z Wed 8 Dec → 2000Z · 1hin 417 days
- 0300Z Thu 9 Dec → 0400Z · 1hin 418 days
- 0700Z Thu 9 Dec → 0800Z · 1hin 418 days
- 1300Z Wed 15 Dec → 1400Z · 1hin 424 days
- 1900Z Wed 15 Dec → 2000Z · 1hin 424 days
- 0300Z Thu 16 Dec → 0400Z · 1hin 425 days
- 0700Z Thu 16 Dec → 0800Z · 1hin 425 days
- 1300Z Wed 22 Dec → 1400Z · 1hin 431 days
- 1900Z Wed 22 Dec → 2000Z · 1hin 431 days
- 0300Z Thu 23 Dec → 0400Z · 1hin 432 days
- 0700Z Thu 23 Dec → 0800Z · 1hin 432 days
- 1300Z Wed 29 Dec → 1400Z · 1hin 438 days
- 1900Z Wed 29 Dec → 2000Z · 1hin 438 days
- 0300Z Thu 30 Dec → 0400Z · 1hin 439 days
- 0700Z Thu 30 Dec → 0800Z · 1hin 439 days
VHF-UHF FT8 Activity: 144 MHz unverified
FT8/FT4 · 2m · QSO BANAT Association (YO2KQT)
- 1700Z Wed 1 Dec → 2100Z · 4hin 410 days
SKCC Straight Key Sprint Europe (SKSE)
CW · 160-6m · Straight Key Century Club
- 2000Z Thu 2 Dec → 2200Z · 2hin 411 days
NCCC FT4 Sprint (FT4 NS)
FT8/FT4FT4 · 160-6m · Northern California Contest Club (NCCC)
- 0100Z Fri 3 Dec → 0130Z · 30min 411 days
- 0100Z Fri 10 Dec → 0130Z · 30min 418 days
- 0100Z Fri 17 Dec → 0130Z · 30min 425 days
- 0100Z Fri 24 Dec → 0130Z · 30min 432 days
- 0100Z Fri 31 Dec → 0130Z · 30min 439 days
NCCC RTTY Sprint (RTTY NS)
RTTY · 160-15m · Northern California Contest Club (NCCC)
- 0145Z Fri 3 Dec → 0215Z · 30min 411 days
- 0145Z Fri 10 Dec → 0215Z · 30min 418 days
- 0145Z Fri 17 Dec → 0215Z · 30min 425 days
- 0145Z Fri 24 Dec → 0215Z · 30min 432 days
- 0145Z Fri 31 Dec → 0215Z · 30min 439 days
NCCC Sprint (NS)
CW · 160-15m · Northern California Contest Club (NCCC)
- 0230Z Fri 3 Dec → 0300Z · 30min 412 days
- 0230Z Fri 10 Dec → 0300Z · 30min 419 days
- 0230Z Fri 17 Dec → 0300Z · 30min 426 days
- 0230Z Fri 24 Dec → 0300Z · 30min 433 days
- 0230Z Fri 31 Dec → 0300Z · 30min 440 days
K1USN Slow Speed Test (SST)
CW · 160-10m · K1USN Radio Club
- 2000Z Fri 3 Dec → 2100Z · 1hin 412 days
- 0000Z Mon 6 Dec → 0100Z · 1hin 414 days
- 2000Z Fri 10 Dec → 2100Z · 1hin 419 days
- 0000Z Mon 13 Dec → 0100Z · 1hin 421 days
- 2000Z Fri 17 Dec → 2100Z · 1hin 426 days
- 0000Z Mon 20 Dec → 0100Z · 1hin 428 days
- 2000Z Fri 24 Dec → 2100Z · 1hin 433 days
- 0000Z Mon 27 Dec → 0100Z · 1hin 435 days
- 2000Z Fri 31 Dec → 2100Z · 1hin 440 days
ARRL 160-Meter Contest
CW · 160m · ARRL
- 2200Z Fri 3 Dec → 1559Z Sun 5 Dec · 41h 59min 412 days
USKA Weihnachtswettbewerb (SSB / Digital) can't enter
SSBRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 4 Dec → 0959Z · 2h 59min 413 days
- 1000Z Sat 4 Dec → 1059Z · 59min 413 days
International FT Challenge
FT8/FT4FT4, FT8 · 80-10m · International FT Challenge
- 1800Z Sat 4 Dec → 2359Z Sun 5 Dec · 29h 59min 413 days
FT Roundup
FT8/FT4FT4, FT8 · 80-10m · RTTY Contesting
- 1800Z Sat 4 Dec → 2359Z Sun 5 Dec · 29h 59min 413 days
AGCW ZAP Merit Contest (ZMC) unverified
CW · 80m · AGCW-DL
- 1740Z Mon 6 Dec → 1830Z · 50min 415 days
- 1740Z Mon 13 Dec → 1830Z · 50min 422 days
- 1740Z Mon 20 Dec → 1830Z · 50min 429 days
- 1740Z Mon 27 Dec → 1830Z · 50min 436 days
ARS Spartan Sprint
CW · 80-10m · Adventure Radio Society
- 0100Z Tue 7 Dec → 0300Z · 2hin 415 days
VHF-UHF FT8 Activity: 432 MHz unverified
FT8/FT4 · 70cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 8 Dec → 2100Z · 4hin 417 days
ARRL 10-Meter Contest
CWSSB · 10m · ARRL
- 0000Z Sat 11 Dec → 2359Z Sun 12 Dec · 47h 59min 419 days
PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER
DigitalPSK31 · 160m/80m/40m · PODXS 070 Club
- 0000Z Sat 11 Dec → 2359Z Mon 13 Dec · 71h 59min 419 days
TRC DIGI Contest
RTTY · 160-10m · Thracian Rose Club
- 0600Z Sat 11 Dec → 1800Z Sun 12 Dec · 36hin 420 days
USKA Weihnachtswettbewerb (CW / Digital) can't enter
CWRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 11 Dec → 0959Z · 2h 59min 420 days
- 1000Z Sat 11 Dec → 1059Z · 59min 420 days
SKCC Weekend Sprintathon (WES)
CW · 160-6m · Straight Key Century Club
- 1200Z Sat 11 Dec → 2359Z Sun 12 Dec · 35h 59min 420 days
ARI 40/80 Contest can't enter
CWSSBRTTY · 80m/40m · ARI
- 1300Z Sat 11 Dec → 1259Z Sun 12 Dec · 23h 59min 420 days
4 States QRP Group Second Sunday Sprint (SSS)
CWSSBDigital · 160-10m · 4 States QRP Group
- 0100Z Mon 13 Dec → 0300Z · 2hin 421 days
DARC CW-Ausbildungscontest unverified
CW · DARC
- 1800Z Tue 14 Dec → 1859Z · 59min 423 days
VHF-UHF FT8 Activity: 1296 MHz unverified
DigitalFT8 · 23cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 15 Dec → 2100Z · 4hin 424 days
AGB-Party unverified
CWSSBDigitalFT8, FT4 · 80m/40m · AGB
- 1600Z Fri 17 Dec → 1700Z · 1hin 426 days
OK DX RTTY Contest
RTTYBaudot · 80-10m · CRK
- 0000Z Sat 18 Dec → 0000Z Sun 19 Dec · 24hin 426 days
Croatian DX Contest (9A DX)
CWSSB · 160-10m · HRS
- 1400Z Sat 18 Dec → 1359Z Sun 19 Dec · 23h 59min 427 days
ÖVSV VHF/UHF/Microwave Activity Contest
CWSSBAMFM · 6-3cm · ÖVSV
- 0700Z Sun 19 Dec → 1300Z · 6hin 428 days
ARRL Rookie Roundup, CW
CW · 80-10m · ARRL
- 1800Z Sun 19 Dec → 2359Z · 5h 59min 428 days
SKCC Straight Key Sprint (SKS)
CW · 160-6m · Straight Key Century Club
- 0000Z Wed 22 Dec → 0200Z · 2hin 430 days
DARC Weihnachtswettbewerb (XMAS Contest)
CWSSB · 80m/40m · DARC
- 0830Z Sun 26 Dec → 1059Z · 2h 29min 435 days

December 2027

Every session in December 202731

VHF-UHF FT8 Activity: 144 MHz unverified

USKA Weihnachtswettbewerb (SSB / Digital) can't enter

AGCW ZAP Merit Contest (ZMC) unverified

VHF-UHF FT8 Activity: 432 MHz unverified

USKA Weihnachtswettbewerb (CW / Digital) can't enter

ARI 40/80 Contest can't enter

DARC CW-Ausbildungscontest unverified

VHF-UHF FT8 Activity: 1296 MHz unverified

AGB-Party unverified