ARRL International Digital Contest

Sponsored by
ARRL
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Updated on 06 Jul 2026
Next edition
Sat 05 Jun 2027, 18:00 — Sun 06 Jun 2027, 23:59 UTCin 313d 0h
Exchange: 4-character grid square
Official rules Add to calendar Google Calendar
Logging software
Cabrillo contest name: ARRL-DIGI
Use this exact name when selecting the contest in N1MM+, Win-Test, or other logging software.

Upcoming editions

  • 2028 Sat 03 Jun 2028, 18:00 — Sun 04 Jun 2028, 23:59 UTC

Past editions

  • 2026 Sat 06 Jun 2026, 18:00 — Sun 07 Jun 2026, 23:59 UTC