December 2072

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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 2072, by day
Mon	Tue	Wed	Thu	Fri	Sat	Sun
282 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	29	302 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions)	12 CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint Europe (SKSE)	25 ARRL 160-Meter Contest K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	34 FT Roundup International FT Challenge USKA Weihnachtswettbewerb (SSB / Digital)×2 (2 sessions) continues: ARRL 160-Meter Contest	43 continues: ARRL 160-Meter Contest continues: FT Roundup continues: International FT Challenge
52 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	61 ARS Spartan Sprint	73 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 144 MHz	81 CWops Test (CWT)×2 (2 sessions)	94 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	106 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)	115 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
124 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	131 DARC CW-Ausbildungscontest	143 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 432 MHz	151 CWops Test (CWT)×2 (2 sessions)	165 AGB-Party K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	172 Croatian DX Contest (9A DX) OK DX RTTY Contest	184 ARRL Rookie Roundup, CW ÖVSV VHF/UHF/Microwave Activity Contest continues: Croatian DX Contest (9A DX) continues: OK DX RTTY Contest
192 AGCW ZAP Merit Contest (ZMC) K1USN Slow Speed Test (SST)	20	213 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) VHF-UHF FT8 Activity: 1296 MHz	221 CWops Test (CWT)×2 (2 sessions)	234 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	24	25
263 AGCW ZAP Merit Contest (ZMC) DARC Weihnachtswettbewerb (XMAS Contest) K1USN Slow Speed Test (SST)	27	283 A1Club Weekly Test (AWT) CWops Test (CWT)×2 (2 sessions) SKCC Straight Key Sprint (SKS)	291 CWops Test (CWT)×2 (2 sessions)	304 K1USN Slow Speed Test (SST) NCCC FT4 Sprint (FT4 NS) NCCC RTTY Sprint (RTTY NS) NCCC Sprint (NS)	31	16 AGB New Year Snowball AGCW Happy New Year Contest (HNY) AGCW VHF/UHF Contest×2 (2 sessions) ARRL Straight Key Night SARTG New Year RTTY Contest Vytautas Magnus Contest (VMC)

Every session in December 207231

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76 sessions across 31 contests; repeats share a row.

Contests starting in December 2072
Contest	Date	Start	End	Duration	Mode	Band	Sponsor	Starts in
CWops Test (CWT)18 sessions	Thu 1 DecThu 1 DecWed 7 DecWed 7 DecThu 8 DecThu 8 DecWed 14 DecWed 14 DecThu 15 DecThu 15 DecWed 21 DecWed 21 DecThu 22 DecThu 22 DecWed 28 DecWed 28 DecThu 29 DecThu 29 Dec	0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z1300Z1900Z0300Z0700Z	0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z1400Z2000Z0400Z0800Z	1h	CW	160-6m	CWops	in 16846 daysin 16846 daysin 16853 daysin 16853 daysin 16853 daysin 16853 daysin 16860 daysin 16860 daysin 16860 daysin 16860 daysin 16867 daysin 16867 daysin 16867 daysin 16867 daysin 16874 daysin 16874 daysin 16874 daysin 16874 days
SKCC Straight Key Sprint Europe (SKSE)	Thu 1 Dec	2000Z	2200Z	2h	CW	160-6m	Straight Key Century Club	in 16847 days
NCCC FT4 Sprint (FT4 NS)5 sessions	Fri 2 DecFri 9 DecFri 16 DecFri 23 DecFri 30 Dec	0100Z0100Z0100Z0100Z0100Z	0130Z0130Z0130Z0130Z0130Z	30m	FT8/FT4FT4	160-6m	Northern California Contest Club (NCCC)	in 16847 daysin 16854 daysin 16861 daysin 16868 daysin 16875 days
NCCC RTTY Sprint (RTTY NS)5 sessions	Fri 2 DecFri 9 DecFri 16 DecFri 23 DecFri 30 Dec	0145Z0145Z0145Z0145Z0145Z	0215Z0215Z0215Z0215Z0215Z	30m	RTTY	160-15m	Northern California Contest Club (NCCC)	in 16847 daysin 16854 daysin 16861 daysin 16868 daysin 16875 days
NCCC Sprint (NS)5 sessions	Fri 2 DecFri 9 DecFri 16 DecFri 23 DecFri 30 Dec	0230Z0230Z0230Z0230Z0230Z	0300Z0300Z0300Z0300Z0300Z	30m	CW	160-15m	Northern California Contest Club (NCCC)	in 16847 daysin 16854 daysin 16861 daysin 16868 daysin 16875 days
K1USN Slow Speed Test (SST)9 sessions	Fri 2 DecMon 5 DecFri 9 DecMon 12 DecFri 16 DecMon 19 DecFri 23 DecMon 26 DecFri 30 Dec	2000Z0000Z2000Z0000Z2000Z0000Z2000Z0000Z2000Z	2100Z0100Z2100Z0100Z2100Z0100Z2100Z0100Z2100Z	1h	CW	160-10m	K1USN Radio Club	in 16848 daysin 16850 daysin 16855 daysin 16857 daysin 16862 daysin 16864 daysin 16869 daysin 16871 daysin 16876 days
ARRL 160-Meter Contest	Fri 2 Dec	2200Z	1559Z Sun 4 Dec	41h 59m	CW	160m	ARRL	in 16848 days
USKA Weihnachtswettbewerb (SSB / Digital) can't enter2 sessions	Sat 3 DecSat 3 Dec	0700Z1000Z	0959Z1059Z	2h 59m59m	SSBRTTYDigitalFT8/FT4PSK31, PSK63	80m/40m	USKA	in 16848 daysin 16849 days
International FT Challenge	Sat 3 Dec	1800Z	2359Z Sun 4 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	International FT Challenge	in 16849 days
FT Roundup	Sat 3 Dec	1800Z	2359Z Sun 4 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	RTTY Contesting	in 16849 days
AGCW ZAP Merit Contest (ZMC) unverified4 sessions	Mon 5 DecMon 12 DecMon 19 DecMon 26 Dec	1740Z1740Z1740Z1740Z	1830Z1830Z1830Z1830Z	50m	CW	80m	AGCW-DL	in 16851 daysin 16858 daysin 16865 daysin 16872 days
ARS Spartan Sprint	Tue 6 Dec	0100Z	0300Z	2h	CW	80-10m	Adventure Radio Society	in 16851 days
A1Club Weekly Test (AWT)4 sessions	Wed 7 DecWed 14 DecWed 21 DecWed 28 Dec	1145Z1145Z1145Z1145Z	1300Z1300Z1300Z1300Z	1h 15m	CW	not recorded	A1 Club	in 16853 daysin 16860 daysin 16867 daysin 16874 days
VHF-UHF FT8 Activity: 144 MHz unverified	Wed 7 Dec	1700Z	2100Z	4h	FT8/FT4	2m	QSO BANAT Association (YO2KQT)	in 16853 days
ARRL 10-Meter Contest	Sat 10 Dec	0000Z	2359Z Sun 11 Dec	47h 59m	CWSSB	10m	ARRL	in 16855 days
PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER	Sat 10 Dec	0000Z	2359Z Mon 12 Dec	71h 59m	DigitalPSK31	160m/80m/40m	PODXS 070 Club	in 16855 days
TRC DIGI Contest	Sat 10 Dec	0600Z	1800Z Sun 11 Dec	36h	RTTY	160-10m	Thracian Rose Club	in 16855 days
USKA Weihnachtswettbewerb (CW / Digital) can't enter2 sessions	Sat 10 DecSat 10 Dec	0700Z1000Z	0959Z1059Z	2h 59m59m	CWRTTYDigitalFT8/FT4PSK31, PSK63	80m/40m	USKA	in 16855 daysin 16856 days
SKCC Weekend Sprintathon (WES)	Sat 10 Dec	1200Z	2359Z Sun 11 Dec	35h 59m	CW	160-6m	Straight Key Century Club	in 16856 days
ARI 40/80 Contest can't enter	Sat 10 Dec	1300Z	1259Z Sun 11 Dec	23h 59m	CWSSBRTTY	80m/40m	ARI	in 16856 days
4 States QRP Group Second Sunday Sprint (SSS)	Mon 12 Dec	0100Z	0300Z	2h	CWSSBDigital	160-10m	4 States QRP Group	in 16857 days
DARC CW-Ausbildungscontest unverified	Tue 13 Dec	1800Z	1859Z	59m	CW	not recorded	DARC	in 16859 days
VHF-UHF FT8 Activity: 432 MHz unverified	Wed 14 Dec	1700Z	2100Z	4h	FT8/FT4	70cm	QSO BANAT Association (YO2KQT)	in 16860 days
AGB-Party unverified	Fri 16 Dec	1600Z	1700Z	1h	CWSSBDigitalFT8, FT4	80m/40m	AGB	in 16862 days
OK DX RTTY Contest	Sat 17 Dec	0000Z	0000Z Sun 18 Dec	24h	RTTYBaudot	80-10m	CRK	in 16862 days
Croatian DX Contest (9A DX)	Sat 17 Dec	1400Z	1359Z Sun 18 Dec	23h 59m	CWSSB	160-10m	HRS	in 16863 days
ÖVSV VHF/UHF/Microwave Activity Contest	Sun 18 Dec	0700Z	1300Z	6h	CWSSBAMFM	6-3cm	ÖVSV	in 16863 days
ARRL Rookie Roundup, CW	Sun 18 Dec	1800Z	2359Z	5h 59m	CW	80-10m	ARRL	in 16864 days
VHF-UHF FT8 Activity: 1296 MHz unverified	Wed 21 Dec	1700Z	2100Z	4h	DigitalFT8	23cm	QSO BANAT Association (YO2KQT)	in 16867 days
DARC Weihnachtswettbewerb (XMAS Contest)	Mon 26 Dec	0830Z	1059Z	2h 29m	CWSSB	80m/40m	DARC	in 16872 days
SKCC Straight Key Sprint (SKS)	Wed 28 Dec	0000Z	0200Z	2h	CW	160-6m	Straight Key Century Club	in 16873 days

CWops Test (CWT)
CW · 160-6m · CWops
- 0300Z Thu 1 Dec → 0400Z · 1hin 16846 days
- 0700Z Thu 1 Dec → 0800Z · 1hin 16846 days
- 1300Z Wed 7 Dec → 1400Z · 1hin 16853 days
- 1900Z Wed 7 Dec → 2000Z · 1hin 16853 days
- 0300Z Thu 8 Dec → 0400Z · 1hin 16853 days
- 0700Z Thu 8 Dec → 0800Z · 1hin 16853 days
- 1300Z Wed 14 Dec → 1400Z · 1hin 16860 days
- 1900Z Wed 14 Dec → 2000Z · 1hin 16860 days
- 0300Z Thu 15 Dec → 0400Z · 1hin 16860 days
- 0700Z Thu 15 Dec → 0800Z · 1hin 16860 days
- 1300Z Wed 21 Dec → 1400Z · 1hin 16867 days
- 1900Z Wed 21 Dec → 2000Z · 1hin 16867 days
- 0300Z Thu 22 Dec → 0400Z · 1hin 16867 days
- 0700Z Thu 22 Dec → 0800Z · 1hin 16867 days
- 1300Z Wed 28 Dec → 1400Z · 1hin 16874 days
- 1900Z Wed 28 Dec → 2000Z · 1hin 16874 days
- 0300Z Thu 29 Dec → 0400Z · 1hin 16874 days
- 0700Z Thu 29 Dec → 0800Z · 1hin 16874 days
SKCC Straight Key Sprint Europe (SKSE)
CW · 160-6m · Straight Key Century Club
- 2000Z Thu 1 Dec → 2200Z · 2hin 16847 days
NCCC FT4 Sprint (FT4 NS)
FT8/FT4FT4 · 160-6m · Northern California Contest Club (NCCC)
- 0100Z Fri 2 Dec → 0130Z · 30min 16847 days
- 0100Z Fri 9 Dec → 0130Z · 30min 16854 days
- 0100Z Fri 16 Dec → 0130Z · 30min 16861 days
- 0100Z Fri 23 Dec → 0130Z · 30min 16868 days
- 0100Z Fri 30 Dec → 0130Z · 30min 16875 days
NCCC RTTY Sprint (RTTY NS)
RTTY · 160-15m · Northern California Contest Club (NCCC)
- 0145Z Fri 2 Dec → 0215Z · 30min 16847 days
- 0145Z Fri 9 Dec → 0215Z · 30min 16854 days
- 0145Z Fri 16 Dec → 0215Z · 30min 16861 days
- 0145Z Fri 23 Dec → 0215Z · 30min 16868 days
- 0145Z Fri 30 Dec → 0215Z · 30min 16875 days
NCCC Sprint (NS)
CW · 160-15m · Northern California Contest Club (NCCC)
- 0230Z Fri 2 Dec → 0300Z · 30min 16847 days
- 0230Z Fri 9 Dec → 0300Z · 30min 16854 days
- 0230Z Fri 16 Dec → 0300Z · 30min 16861 days
- 0230Z Fri 23 Dec → 0300Z · 30min 16868 days
- 0230Z Fri 30 Dec → 0300Z · 30min 16875 days
K1USN Slow Speed Test (SST)
CW · 160-10m · K1USN Radio Club
- 2000Z Fri 2 Dec → 2100Z · 1hin 16848 days
- 0000Z Mon 5 Dec → 0100Z · 1hin 16850 days
- 2000Z Fri 9 Dec → 2100Z · 1hin 16855 days
- 0000Z Mon 12 Dec → 0100Z · 1hin 16857 days
- 2000Z Fri 16 Dec → 2100Z · 1hin 16862 days
- 0000Z Mon 19 Dec → 0100Z · 1hin 16864 days
- 2000Z Fri 23 Dec → 2100Z · 1hin 16869 days
- 0000Z Mon 26 Dec → 0100Z · 1hin 16871 days
- 2000Z Fri 30 Dec → 2100Z · 1hin 16876 days
ARRL 160-Meter Contest
CW · 160m · ARRL
- 2200Z Fri 2 Dec → 1559Z Sun 4 Dec · 41h 59min 16848 days
USKA Weihnachtswettbewerb (SSB / Digital) can't enter
SSBRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 3 Dec → 0959Z · 2h 59min 16848 days
- 1000Z Sat 3 Dec → 1059Z · 59min 16849 days
International FT Challenge
FT8/FT4FT4, FT8 · 80-10m · International FT Challenge
- 1800Z Sat 3 Dec → 2359Z Sun 4 Dec · 29h 59min 16849 days
FT Roundup
FT8/FT4FT4, FT8 · 80-10m · RTTY Contesting
- 1800Z Sat 3 Dec → 2359Z Sun 4 Dec · 29h 59min 16849 days
AGCW ZAP Merit Contest (ZMC) unverified
CW · 80m · AGCW-DL
- 1740Z Mon 5 Dec → 1830Z · 50min 16851 days
- 1740Z Mon 12 Dec → 1830Z · 50min 16858 days
- 1740Z Mon 19 Dec → 1830Z · 50min 16865 days
- 1740Z Mon 26 Dec → 1830Z · 50min 16872 days
ARS Spartan Sprint
CW · 80-10m · Adventure Radio Society
- 0100Z Tue 6 Dec → 0300Z · 2hin 16851 days
A1Club Weekly Test (AWT)
CW · A1 Club
- 1145Z Wed 7 Dec → 1300Z · 1h 15min 16853 days
- 1145Z Wed 14 Dec → 1300Z · 1h 15min 16860 days
- 1145Z Wed 21 Dec → 1300Z · 1h 15min 16867 days
- 1145Z Wed 28 Dec → 1300Z · 1h 15min 16874 days
VHF-UHF FT8 Activity: 144 MHz unverified
FT8/FT4 · 2m · QSO BANAT Association (YO2KQT)
- 1700Z Wed 7 Dec → 2100Z · 4hin 16853 days
ARRL 10-Meter Contest
CWSSB · 10m · ARRL
- 0000Z Sat 10 Dec → 2359Z Sun 11 Dec · 47h 59min 16855 days
PODXS 070 Club Triple Play Low Band Sprint DOUBLEHEADER
DigitalPSK31 · 160m/80m/40m · PODXS 070 Club
- 0000Z Sat 10 Dec → 2359Z Mon 12 Dec · 71h 59min 16855 days
TRC DIGI Contest
RTTY · 160-10m · Thracian Rose Club
- 0600Z Sat 10 Dec → 1800Z Sun 11 Dec · 36hin 16855 days
USKA Weihnachtswettbewerb (CW / Digital) can't enter
CWRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 10 Dec → 0959Z · 2h 59min 16855 days
- 1000Z Sat 10 Dec → 1059Z · 59min 16856 days
SKCC Weekend Sprintathon (WES)
CW · 160-6m · Straight Key Century Club
- 1200Z Sat 10 Dec → 2359Z Sun 11 Dec · 35h 59min 16856 days
ARI 40/80 Contest can't enter
CWSSBRTTY · 80m/40m · ARI
- 1300Z Sat 10 Dec → 1259Z Sun 11 Dec · 23h 59min 16856 days
4 States QRP Group Second Sunday Sprint (SSS)
CWSSBDigital · 160-10m · 4 States QRP Group
- 0100Z Mon 12 Dec → 0300Z · 2hin 16857 days
DARC CW-Ausbildungscontest unverified
CW · DARC
- 1800Z Tue 13 Dec → 1859Z · 59min 16859 days
VHF-UHF FT8 Activity: 432 MHz unverified
FT8/FT4 · 70cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 14 Dec → 2100Z · 4hin 16860 days
AGB-Party unverified
CWSSBDigitalFT8, FT4 · 80m/40m · AGB
- 1600Z Fri 16 Dec → 1700Z · 1hin 16862 days
OK DX RTTY Contest
RTTYBaudot · 80-10m · CRK
- 0000Z Sat 17 Dec → 0000Z Sun 18 Dec · 24hin 16862 days
Croatian DX Contest (9A DX)
CWSSB · 160-10m · HRS
- 1400Z Sat 17 Dec → 1359Z Sun 18 Dec · 23h 59min 16863 days
ÖVSV VHF/UHF/Microwave Activity Contest
CWSSBAMFM · 6-3cm · ÖVSV
- 0700Z Sun 18 Dec → 1300Z · 6hin 16863 days
ARRL Rookie Roundup, CW
CW · 80-10m · ARRL
- 1800Z Sun 18 Dec → 2359Z · 5h 59min 16864 days
VHF-UHF FT8 Activity: 1296 MHz unverified
DigitalFT8 · 23cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 21 Dec → 2100Z · 4hin 16867 days
DARC Weihnachtswettbewerb (XMAS Contest)
CWSSB · 80m/40m · DARC
- 0830Z Mon 26 Dec → 1059Z · 2h 29min 16872 days
SKCC Straight Key Sprint (SKS)
CW · 160-6m · Straight Key Century Club
- 0000Z Wed 28 Dec → 0200Z · 2hin 16873 days

December 2072

Every session in December 207231

USKA Weihnachtswettbewerb (SSB / Digital) can't enter

AGCW ZAP Merit Contest (ZMC) unverified

VHF-UHF FT8 Activity: 144 MHz unverified

USKA Weihnachtswettbewerb (CW / Digital) can't enter

ARI 40/80 Contest can't enter

DARC CW-Ausbildungscontest unverified

VHF-UHF FT8 Activity: 432 MHz unverified

AGB-Party unverified

VHF-UHF FT8 Activity: 1296 MHz unverified