December 2038

← 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 2038, 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 203831

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79 sessions across 31 contests; repeats share a row.

Contests starting in December 2038
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 4424 daysin 4431 daysin 4438 daysin 4445 daysin 4452 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 4424 daysin 4424 daysin 4425 daysin 4425 daysin 4431 daysin 4431 daysin 4432 daysin 4432 daysin 4438 daysin 4438 daysin 4439 daysin 4439 daysin 4445 daysin 4445 daysin 4446 daysin 4446 daysin 4452 daysin 4452 daysin 4453 daysin 4453 days
VHF-UHF FT8 Activity: 144 MHz unverified	Wed 1 Dec	1700Z	2100Z	4h	FT8/FT4	2m	QSO BANAT Association (YO2KQT)	in 4424 days
SKCC Straight Key Sprint Europe (SKSE)	Thu 2 Dec	2000Z	2200Z	2h	CW	160-6m	Straight Key Century Club	in 4425 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 4425 daysin 4432 daysin 4439 daysin 4446 daysin 4453 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 4425 daysin 4432 daysin 4439 daysin 4446 daysin 4453 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 4426 daysin 4433 daysin 4440 daysin 4447 daysin 4454 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 4426 daysin 4428 daysin 4433 daysin 4435 daysin 4440 daysin 4442 daysin 4447 daysin 4449 daysin 4454 days
ARRL 160-Meter Contest	Fri 3 Dec	2200Z	1559Z Sun 5 Dec	41h 59m	CW	160m	ARRL	in 4426 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 4427 daysin 4427 days
International FT Challenge	Sat 4 Dec	1800Z	2359Z Sun 5 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	International FT Challenge	in 4427 days
FT Roundup	Sat 4 Dec	1800Z	2359Z Sun 5 Dec	29h 59m	FT8/FT4FT4, FT8	80-10m	RTTY Contesting	in 4427 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 4429 daysin 4436 daysin 4443 daysin 4450 days
ARS Spartan Sprint	Tue 7 Dec	0100Z	0300Z	2h	CW	80-10m	Adventure Radio Society	in 4429 days
VHF-UHF FT8 Activity: 432 MHz unverified	Wed 8 Dec	1700Z	2100Z	4h	FT8/FT4	70cm	QSO BANAT Association (YO2KQT)	in 4431 days
ARRL 10-Meter Contest	Sat 11 Dec	0000Z	2359Z Sun 12 Dec	47h 59m	CWSSB	10m	ARRL	in 4433 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 4433 days
TRC DIGI Contest	Sat 11 Dec	0600Z	1800Z Sun 12 Dec	36h	RTTY	160-10m	Thracian Rose Club	in 4434 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 4434 daysin 4434 days
SKCC Weekend Sprintathon (WES)	Sat 11 Dec	1200Z	2359Z Sun 12 Dec	35h 59m	CW	160-6m	Straight Key Century Club	in 4434 days
ARI 40/80 Contest can't enter	Sat 11 Dec	1300Z	1259Z Sun 12 Dec	23h 59m	CWSSBRTTY	80m/40m	ARI	in 4434 days
4 States QRP Group Second Sunday Sprint (SSS)	Mon 13 Dec	0100Z	0300Z	2h	CWSSBDigital	160-10m	4 States QRP Group	in 4435 days
DARC CW-Ausbildungscontest unverified	Tue 14 Dec	1800Z	1859Z	59m	CW	not recorded	DARC	in 4437 days
VHF-UHF FT8 Activity: 1296 MHz unverified	Wed 15 Dec	1700Z	2100Z	4h	DigitalFT8	23cm	QSO BANAT Association (YO2KQT)	in 4438 days
AGB-Party unverified	Fri 17 Dec	1600Z	1700Z	1h	CWSSBDigitalFT8, FT4	80m/40m	AGB	in 4440 days
OK DX RTTY Contest	Sat 18 Dec	0000Z	0000Z Sun 19 Dec	24h	RTTYBaudot	80-10m	CRK	in 4440 days
Croatian DX Contest (9A DX)	Sat 18 Dec	1400Z	1359Z Sun 19 Dec	23h 59m	CWSSB	160-10m	HRS	in 4441 days
ÖVSV VHF/UHF/Microwave Activity Contest	Sun 19 Dec	0700Z	1300Z	6h	CWSSBAMFM	6-3cm	ÖVSV	in 4442 days
ARRL Rookie Roundup, CW	Sun 19 Dec	1800Z	2359Z	5h 59m	CW	80-10m	ARRL	in 4442 days
SKCC Straight Key Sprint (SKS)	Wed 22 Dec	0000Z	0200Z	2h	CW	160-6m	Straight Key Century Club	in 4444 days
DARC Weihnachtswettbewerb (XMAS Contest)	Sun 26 Dec	0830Z	1059Z	2h 29m	CWSSB	80m/40m	DARC	in 4449 days

A1Club Weekly Test (AWT)
CW · A1 Club
- 1145Z Wed 1 Dec → 1300Z · 1h 15min 4424 days
- 1145Z Wed 8 Dec → 1300Z · 1h 15min 4431 days
- 1145Z Wed 15 Dec → 1300Z · 1h 15min 4438 days
- 1145Z Wed 22 Dec → 1300Z · 1h 15min 4445 days
- 1145Z Wed 29 Dec → 1300Z · 1h 15min 4452 days
CWops Test (CWT)
CW · 160-6m · CWops
- 1300Z Wed 1 Dec → 1400Z · 1hin 4424 days
- 1900Z Wed 1 Dec → 2000Z · 1hin 4424 days
- 0300Z Thu 2 Dec → 0400Z · 1hin 4425 days
- 0700Z Thu 2 Dec → 0800Z · 1hin 4425 days
- 1300Z Wed 8 Dec → 1400Z · 1hin 4431 days
- 1900Z Wed 8 Dec → 2000Z · 1hin 4431 days
- 0300Z Thu 9 Dec → 0400Z · 1hin 4432 days
- 0700Z Thu 9 Dec → 0800Z · 1hin 4432 days
- 1300Z Wed 15 Dec → 1400Z · 1hin 4438 days
- 1900Z Wed 15 Dec → 2000Z · 1hin 4438 days
- 0300Z Thu 16 Dec → 0400Z · 1hin 4439 days
- 0700Z Thu 16 Dec → 0800Z · 1hin 4439 days
- 1300Z Wed 22 Dec → 1400Z · 1hin 4445 days
- 1900Z Wed 22 Dec → 2000Z · 1hin 4445 days
- 0300Z Thu 23 Dec → 0400Z · 1hin 4446 days
- 0700Z Thu 23 Dec → 0800Z · 1hin 4446 days
- 1300Z Wed 29 Dec → 1400Z · 1hin 4452 days
- 1900Z Wed 29 Dec → 2000Z · 1hin 4452 days
- 0300Z Thu 30 Dec → 0400Z · 1hin 4453 days
- 0700Z Thu 30 Dec → 0800Z · 1hin 4453 days
VHF-UHF FT8 Activity: 144 MHz unverified
FT8/FT4 · 2m · QSO BANAT Association (YO2KQT)
- 1700Z Wed 1 Dec → 2100Z · 4hin 4424 days
SKCC Straight Key Sprint Europe (SKSE)
CW · 160-6m · Straight Key Century Club
- 2000Z Thu 2 Dec → 2200Z · 2hin 4425 days
NCCC FT4 Sprint (FT4 NS)
FT8/FT4FT4 · 160-6m · Northern California Contest Club (NCCC)
- 0100Z Fri 3 Dec → 0130Z · 30min 4425 days
- 0100Z Fri 10 Dec → 0130Z · 30min 4432 days
- 0100Z Fri 17 Dec → 0130Z · 30min 4439 days
- 0100Z Fri 24 Dec → 0130Z · 30min 4446 days
- 0100Z Fri 31 Dec → 0130Z · 30min 4453 days
NCCC RTTY Sprint (RTTY NS)
RTTY · 160-15m · Northern California Contest Club (NCCC)
- 0145Z Fri 3 Dec → 0215Z · 30min 4425 days
- 0145Z Fri 10 Dec → 0215Z · 30min 4432 days
- 0145Z Fri 17 Dec → 0215Z · 30min 4439 days
- 0145Z Fri 24 Dec → 0215Z · 30min 4446 days
- 0145Z Fri 31 Dec → 0215Z · 30min 4453 days
NCCC Sprint (NS)
CW · 160-15m · Northern California Contest Club (NCCC)
- 0230Z Fri 3 Dec → 0300Z · 30min 4426 days
- 0230Z Fri 10 Dec → 0300Z · 30min 4433 days
- 0230Z Fri 17 Dec → 0300Z · 30min 4440 days
- 0230Z Fri 24 Dec → 0300Z · 30min 4447 days
- 0230Z Fri 31 Dec → 0300Z · 30min 4454 days
K1USN Slow Speed Test (SST)
CW · 160-10m · K1USN Radio Club
- 2000Z Fri 3 Dec → 2100Z · 1hin 4426 days
- 0000Z Mon 6 Dec → 0100Z · 1hin 4428 days
- 2000Z Fri 10 Dec → 2100Z · 1hin 4433 days
- 0000Z Mon 13 Dec → 0100Z · 1hin 4435 days
- 2000Z Fri 17 Dec → 2100Z · 1hin 4440 days
- 0000Z Mon 20 Dec → 0100Z · 1hin 4442 days
- 2000Z Fri 24 Dec → 2100Z · 1hin 4447 days
- 0000Z Mon 27 Dec → 0100Z · 1hin 4449 days
- 2000Z Fri 31 Dec → 2100Z · 1hin 4454 days
ARRL 160-Meter Contest
CW · 160m · ARRL
- 2200Z Fri 3 Dec → 1559Z Sun 5 Dec · 41h 59min 4426 days
USKA Weihnachtswettbewerb (SSB / Digital) can't enter
SSBRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 4 Dec → 0959Z · 2h 59min 4427 days
- 1000Z Sat 4 Dec → 1059Z · 59min 4427 days
International FT Challenge
FT8/FT4FT4, FT8 · 80-10m · International FT Challenge
- 1800Z Sat 4 Dec → 2359Z Sun 5 Dec · 29h 59min 4427 days
FT Roundup
FT8/FT4FT4, FT8 · 80-10m · RTTY Contesting
- 1800Z Sat 4 Dec → 2359Z Sun 5 Dec · 29h 59min 4427 days
AGCW ZAP Merit Contest (ZMC) unverified
CW · 80m · AGCW-DL
- 1740Z Mon 6 Dec → 1830Z · 50min 4429 days
- 1740Z Mon 13 Dec → 1830Z · 50min 4436 days
- 1740Z Mon 20 Dec → 1830Z · 50min 4443 days
- 1740Z Mon 27 Dec → 1830Z · 50min 4450 days
ARS Spartan Sprint
CW · 80-10m · Adventure Radio Society
- 0100Z Tue 7 Dec → 0300Z · 2hin 4429 days
VHF-UHF FT8 Activity: 432 MHz unverified
FT8/FT4 · 70cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 8 Dec → 2100Z · 4hin 4431 days
ARRL 10-Meter Contest
CWSSB · 10m · ARRL
- 0000Z Sat 11 Dec → 2359Z Sun 12 Dec · 47h 59min 4433 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 4433 days
TRC DIGI Contest
RTTY · 160-10m · Thracian Rose Club
- 0600Z Sat 11 Dec → 1800Z Sun 12 Dec · 36hin 4434 days
USKA Weihnachtswettbewerb (CW / Digital) can't enter
CWRTTYDigitalFT8/FT4PSK31, PSK63 · 80m/40m · USKA
- 0700Z Sat 11 Dec → 0959Z · 2h 59min 4434 days
- 1000Z Sat 11 Dec → 1059Z · 59min 4434 days
SKCC Weekend Sprintathon (WES)
CW · 160-6m · Straight Key Century Club
- 1200Z Sat 11 Dec → 2359Z Sun 12 Dec · 35h 59min 4434 days
ARI 40/80 Contest can't enter
CWSSBRTTY · 80m/40m · ARI
- 1300Z Sat 11 Dec → 1259Z Sun 12 Dec · 23h 59min 4434 days
4 States QRP Group Second Sunday Sprint (SSS)
CWSSBDigital · 160-10m · 4 States QRP Group
- 0100Z Mon 13 Dec → 0300Z · 2hin 4435 days
DARC CW-Ausbildungscontest unverified
CW · DARC
- 1800Z Tue 14 Dec → 1859Z · 59min 4437 days
VHF-UHF FT8 Activity: 1296 MHz unverified
DigitalFT8 · 23cm · QSO BANAT Association (YO2KQT)
- 1700Z Wed 15 Dec → 2100Z · 4hin 4438 days
AGB-Party unverified
CWSSBDigitalFT8, FT4 · 80m/40m · AGB
- 1600Z Fri 17 Dec → 1700Z · 1hin 4440 days
OK DX RTTY Contest
RTTYBaudot · 80-10m · CRK
- 0000Z Sat 18 Dec → 0000Z Sun 19 Dec · 24hin 4440 days
Croatian DX Contest (9A DX)
CWSSB · 160-10m · HRS
- 1400Z Sat 18 Dec → 1359Z Sun 19 Dec · 23h 59min 4441 days
ÖVSV VHF/UHF/Microwave Activity Contest
CWSSBAMFM · 6-3cm · ÖVSV
- 0700Z Sun 19 Dec → 1300Z · 6hin 4442 days
ARRL Rookie Roundup, CW
CW · 80-10m · ARRL
- 1800Z Sun 19 Dec → 2359Z · 5h 59min 4442 days
SKCC Straight Key Sprint (SKS)
CW · 160-6m · Straight Key Century Club
- 0000Z Wed 22 Dec → 0200Z · 2hin 4444 days
DARC Weihnachtswettbewerb (XMAS Contest)
CWSSB · 80m/40m · DARC
- 0830Z Sun 26 Dec → 1059Z · 2h 29min 4449 days

December 2038

Every session in December 203831

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