Contest Calendar

Amateur radio contests — all 358 computed from sponsors’ own published rules

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April 2027

This month DXpeditions

49 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 April 2027, by day
MonTueWedThuFriSatSun

4

1

3

4

5

5

3

3

5

4

2

5

8

8

4

5

4

2

4

5

10

2

3

3

1

4

6

6

2

3

3

1

4

9

7

Every session in April 202749

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105 sessions across 49 contests; repeats share a row.

Contests starting in April 2027
ContestDateStartEndDurationModeBandSponsorStarts in
CWops Test (CWT)18 sessions1hCW160-6mCWopsin 136 daysin 136 daysin 143 daysin 143 daysin 143 daysin 143 daysin 150 daysin 150 daysin 150 daysin 150 daysin 157 daysin 157 daysin 157 daysin 157 daysin 164 daysin 164 daysin 164 daysin 164 days
SARL 80 m QSO Party3hSSB80mSARLin 137 days
SKCC Straight Key Sprint Europe (SKSE)2hCW160-6mStraight Key Century Clubin 137 days
NCCC FT4 Sprint (FT4 NS)5 sessions30mFT8/FT4FT4160-6mNorthern California Contest Club (NCCC)in 137 daysin 144 daysin 151 daysin 158 daysin 165 days
NCCC RTTY Sprint (RTTY NS)5 sessions30mRTTY160-15mNorthern California Contest Club (NCCC)in 137 daysin 144 daysin 151 daysin 158 daysin 165 days
NCCC Sprint (NS)5 sessions30mCW160-15mNorthern California Contest Club (NCCC)in 137 daysin 144 daysin 151 daysin 158 daysin 165 days
K1USN Slow Speed Test (SST)9 sessions1hCW160-10mK1USN Radio Clubin 138 daysin 140 daysin 145 daysin 147 daysin 152 daysin 154 daysin 159 daysin 161 daysin 166 days
PODXS 070 Club New Member Jamboree23h 59mDigitalPSK3180-10mPODXS 070 Clubin 138 days
SARL QRP Contest (Autumn leg)2hSSBCW40m/20m/10mSARLin 139 days
Missouri QSO Party unverified2 sessions14h6hSSBCWDigital160-70cmBoeing Employees Amateur Radio Society-St. Louisin 139 daysin 140 days
SP DX Contest23h 59mSSBCW160-10mPZK / SP DX Clubin 139 days
AGCW ZAP Merit Contest (ZMC) unverified4 sessions50mCW80mAGCW-DLin 141 daysin 148 daysin 155 daysin 162 days
ARS Spartan Sprint2hCW80-10mAdventure Radio Societyin 141 days
ZL Autumn and Winter Sprints, CW4 sessions29mCW80mNZARTin 141 daysin 148 daysin 155 daysin 162 days
ZL Autumn and Winter Sprints, SSB4 sessions29mSSB80mNZARTin 141 daysin 148 daysin 155 daysin 162 days
ZL Autumn and Winter Sprints, FT44 sessions29mFT8/FT4FT480mNZARTin 141 daysin 148 daysin 155 daysin 162 days
A1Club Weekly Test (AWT)4 sessions1h 15mCWnot recordedA1 Clubin 143 daysin 150 daysin 157 daysin 164 days
VHF-UHF FT8 Activity: 144 MHz unverified4hFT8/FT42mQSO BANAT Association (YO2KQT)in 143 days
Japan International DX Contest, CW30hCW160-10mJIDX Contest Committeein 145 days
IG-RY World Wide RTTY Contest30hRTTYRTTY 45.45 baud80-10mInterest Group RTTY (IG-RY)in 146 days
OK/OM DX Contest, SSB23h 59mSSB160-10mCRK / SARAin 146 days
SKCC Weekend Sprintathon (WES)35h 59mCW160-6mStraight Key Century Clubin 146 days
New Mexico QSO Party12hSSBCWDigitalFT8/FT4160-2mNew Mexico QSO Partyin 146 days
Africa FT4 DX Contest3hFT8/FT4FT480m/40m/20mSARLin 146 days
Georgia QSO Party2 sessions9h 59mSSBCWnot recordedSoutheastern Contest Club and Southeast DX Clubin 146 daysin 147 days
ZS4 QSO Party1hCWSSB40mSasolburg Amateur Radio Clubin 147 days
4 States QRP Group Second Sunday Sprint (SSS)2hCWSSBDigital160-10m4 States QRP Groupin 147 days
DARC RTTY-Kurzcontest1h 29mRTTYRTTY 45.45 baud80m/40mDARCin 149 days
VHF-UHF FT8 Activity: 432 MHz unverified4hFT8/FT470cmQSO BANAT Association (YO2KQT)in 150 days
ES Open HF Championship3h 59mCWSSB80m/40mERAUin 152 days
PACCdigi Contest23h 59mRTTYFT8/FT4160-10mVERONin 153 days
IARU Region 1 50 MHz MGM Contest24hDigitalMGM (machine generated modes)6mIARU Region 1 VHF+ Committeein 153 days
Michigan QSO Party12hSSBCW80-10mMad River Radio Clubin 153 days
Ontario QSO Party2 sessions9h8hSSBCW160-2mContest Club Ontarioin 153 daysin 154 days
9A Activity Contest5hCWSSBFM6-23cmHRSin 153 days
ÖVSV VHF/UHF/Microwave Activity Contest6hCWSSBAMFM6-3cmÖVSVin 153 days
Quebec QSO Party10h 59mSSBCW80-2mClub Radio Amateur de l'Outaouaisin 154 days
World Amateur Radio Day Contest HF (RF-WD RH)59mCWSSB80mMRASZin 154 days
Amatőr rádiózás világnapja RF-WD URH59mCWSSB2mMRASZin 154 days
ARRL Rookie Roundup, SSB5h 59mSSB80-10mARRLin 154 days
VHF-UHF FT8 Activity: 1296 MHz unverified4hDigitalFT823cmQSO BANAT Association (YO2KQT)in 157 days
ALL JA Contest can't enter24hCWSSBFMAM160-6mJARLin 160 days
SP DX RTTY Contest24hRTTY80-10mPK RVGin 160 days
UK/EI DX Contest, CW24hCW80-10mUK/EI Contest Clubin 160 days
Helvetia Contest23h 59mCWSSBRTTYDigitalFT8/FT4PSK31, PSK63160-10mUSKAin 160 days
SARL Saturday 40 m Club Contest can't enter1hSSBCWRTTY40mSARLin 160 days
Florida QSO Party2 sessions9h 59mSSBCW40-10mFlorida Contest Groupin 160 daysin 161 days
BARTG Sprint75 Contest3h 59mRTTYRTTY 75 baud80-10mBARTGin 161 days
SKCC Straight Key Sprint (SKS)2hCW160-6mStraight Key Century Clubin 163 days
  1. CWops Test (CWT)

    CW · 160-6m · CWops

    • → · 1hin 136 days
    • → · 1hin 136 days
    • → · 1hin 143 days
    • → · 1hin 143 days
    • → · 1hin 143 days
    • → · 1hin 143 days
    • → · 1hin 150 days
    • → · 1hin 150 days
    • → · 1hin 150 days
    • → · 1hin 150 days
    • → · 1hin 157 days
    • → · 1hin 157 days
    • → · 1hin 157 days
    • → · 1hin 157 days
    • → · 1hin 164 days
    • → · 1hin 164 days
    • → · 1hin 164 days
    • → · 1hin 164 days
  2. SARL 80 m QSO Party

    SSB · 80m · SARL

    • → · 3hin 137 days
  3. SKCC Straight Key Sprint Europe (SKSE)

    CW · 160-6m · Straight Key Century Club

    • → · 2hin 137 days
  4. NCCC FT4 Sprint (FT4 NS)

    FT8/FT4FT4 · 160-6m · Northern California Contest Club (NCCC)

    • → · 30min 137 days
    • → · 30min 144 days
    • → · 30min 151 days
    • → · 30min 158 days
    • → · 30min 165 days
  5. NCCC RTTY Sprint (RTTY NS)

    RTTY · 160-15m · Northern California Contest Club (NCCC)

    • → · 30min 137 days
    • → · 30min 144 days
    • → · 30min 151 days
    • → · 30min 158 days
    • → · 30min 165 days
  6. NCCC Sprint (NS)

    CW · 160-15m · Northern California Contest Club (NCCC)

    • → · 30min 137 days
    • → · 30min 144 days
    • → · 30min 151 days
    • → · 30min 158 days
    • → · 30min 165 days
  7. K1USN Slow Speed Test (SST)

    CW · 160-10m · K1USN Radio Club

    • → · 1hin 138 days
    • → · 1hin 140 days
    • → · 1hin 145 days
    • → · 1hin 147 days
    • → · 1hin 152 days
    • → · 1hin 154 days
    • → · 1hin 159 days
    • → · 1hin 161 days
    • → · 1hin 166 days
  8. PODXS 070 Club New Member Jamboree

    DigitalPSK31 · 80-10m · PODXS 070 Club

    • → · 23h 59min 138 days
  9. SARL QRP Contest (Autumn leg)

    SSBCW · 40m/20m/10m · SARL

    • → · 2hin 139 days
  10. Missouri QSO Party unverified

    SSBCWDigital · 160-70cm · Boeing Employees Amateur Radio Society-St. Louis

    • → · 14hin 139 days
    • → · 6hin 140 days
  11. SP DX Contest

    SSBCW · 160-10m · PZK / SP DX Club

    • → · 23h 59min 139 days
  12. AGCW ZAP Merit Contest (ZMC) unverified

    CW · 80m · AGCW-DL

    • → · 50min 141 days
    • → · 50min 148 days
    • → · 50min 155 days
    • → · 50min 162 days
  13. ARS Spartan Sprint

    CW · 80-10m · Adventure Radio Society

    • → · 2hin 141 days
  14. ZL Autumn and Winter Sprints, CW

    CW · 80m · NZART

    • → · 29min 141 days
    • → · 29min 148 days
    • → · 29min 155 days
    • → · 29min 162 days
  15. ZL Autumn and Winter Sprints, SSB

    SSB · 80m · NZART

    • → · 29min 141 days
    • → · 29min 148 days
    • → · 29min 155 days
    • → · 29min 162 days
  16. ZL Autumn and Winter Sprints, FT4

    FT8/FT4FT4 · 80m · NZART

    • → · 29min 141 days
    • → · 29min 148 days
    • → · 29min 155 days
    • → · 29min 162 days
  17. A1Club Weekly Test (AWT)

    CW · A1 Club

    • → · 1h 15min 143 days
    • → · 1h 15min 150 days
    • → · 1h 15min 157 days
    • → · 1h 15min 164 days
  18. VHF-UHF FT8 Activity: 144 MHz unverified

    FT8/FT4 · 2m · QSO BANAT Association (YO2KQT)

    • → · 4hin 143 days
  19. Japan International DX Contest, CW

    CW · 160-10m · JIDX Contest Committee

    • → · 30hin 145 days
  20. IG-RY World Wide RTTY Contest

    RTTYRTTY 45.45 baud · 80-10m · Interest Group RTTY (IG-RY)

    • → · 30hin 146 days
  21. OK/OM DX Contest, SSB

    SSB · 160-10m · CRK / SARA

    • → · 23h 59min 146 days
  22. SKCC Weekend Sprintathon (WES)

    CW · 160-6m · Straight Key Century Club

    • → · 35h 59min 146 days
  23. New Mexico QSO Party

    SSBCWDigitalFT8/FT4 · 160-2m · New Mexico QSO Party

    • → · 12hin 146 days
  24. Africa FT4 DX Contest

    FT8/FT4FT4 · 80m/40m/20m · SARL

    • → · 3hin 146 days
  25. Georgia QSO Party

    SSBCW · Southeastern Contest Club and Southeast DX Club

    • → · 9h 59min 146 days
    • → · 9h 59min 147 days
  26. ZS4 QSO Party

    CWSSB · 40m · Sasolburg Amateur Radio Club

    • → · 1hin 147 days
  27. 4 States QRP Group Second Sunday Sprint (SSS)

    CWSSBDigital · 160-10m · 4 States QRP Group

    • → · 2hin 147 days
  28. DARC RTTY-Kurzcontest

    RTTYRTTY 45.45 baud · 80m/40m · DARC

    • → · 1h 29min 149 days
  29. VHF-UHF FT8 Activity: 432 MHz unverified

    FT8/FT4 · 70cm · QSO BANAT Association (YO2KQT)

    • → · 4hin 150 days
  30. ES Open HF Championship

    CWSSB · 80m/40m · ERAU

    • → · 3h 59min 152 days
  31. PACCdigi Contest

    RTTYFT8/FT4 · 160-10m · VERON

    • → · 23h 59min 153 days
  32. IARU Region 1 50 MHz MGM Contest

    DigitalMGM (machine generated modes) · 6m · IARU Region 1 VHF+ Committee

    • → · 24hin 153 days
  33. Michigan QSO Party

    SSBCW · 80-10m · Mad River Radio Club

    • → · 12hin 153 days
  34. Ontario QSO Party

    SSBCW · 160-2m · Contest Club Ontario

    • → · 9hin 153 days
    • → · 8hin 154 days
  35. 9A Activity Contest

    CWSSBFM · 6-23cm · HRS

    • → · 5hin 153 days
  36. ÖVSV VHF/UHF/Microwave Activity Contest

    CWSSBAMFM · 6-3cm · ÖVSV

    • → · 6hin 153 days
  37. Quebec QSO Party

    SSBCW · 80-2m · Club Radio Amateur de l'Outaouais

    • → · 10h 59min 154 days
  38. World Amateur Radio Day Contest HF (RF-WD RH)

    CWSSB · 80m · MRASZ

    • → · 59min 154 days
  39. Amatőr rádiózás világnapja RF-WD URH

    CWSSB · 2m · MRASZ

    • → · 59min 154 days
  40. ARRL Rookie Roundup, SSB

    SSB · 80-10m · ARRL

    • → · 5h 59min 154 days
  41. VHF-UHF FT8 Activity: 1296 MHz unverified

    DigitalFT8 · 23cm · QSO BANAT Association (YO2KQT)

    • → · 4hin 157 days
  42. ALL JA Contest can't enter

    CWSSBFMAM · 160-6m · JARL

    • → · 24hin 160 days
  43. SP DX RTTY Contest

    RTTY · 80-10m · PK RVG

    • → · 24hin 160 days
  44. UK/EI DX Contest, CW

    CW · 80-10m · UK/EI Contest Club

    • → · 24hin 160 days
  45. Helvetia Contest

    CWSSBRTTYDigitalFT8/FT4PSK31, PSK63 · 160-10m · USKA

    • → · 23h 59min 160 days
  46. SARL Saturday 40 m Club Contest can't enter

    SSBCWRTTY · 40m · SARL

    • → · 1hin 160 days
  47. Florida QSO Party

    SSBCW · 40-10m · Florida Contest Group

    • → · 9h 59min 160 days
    • → · 9h 59min 161 days
  48. BARTG Sprint75 Contest

    RTTYRTTY 75 baud · 80-10m · BARTG

    • → · 3h 59min 161 days
  49. SKCC Straight Key Sprint (SKS)

    CW · 160-6m · Straight Key Century Club

    • → · 2hin 163 days