{
  "contest": {
    "id": "darc-xmas",
    "name": "DARC Weihnachtswettbewerb (XMAS Contest)",
    "sponsor": "DARC",
    "sponsor_home": "https://www.darc.de/der-club/referate/conteste/",
    "country": "DE",
    "summary": "Boxing-morning sprint on 80 and 40 metres, two and a half hours long, with a twenty-change cap that makes band planning part of the game.",
    "modes": [
      "CW",
      "SSB"
    ],
    "bands": [
      "80m",
      "40m"
    ],
    "exchange": "German stations send RS(T) + their DOK, or 'NM' if they are not a DARC or VFDB member. All stations outside Germany send RS(T) + serial number.",
    "power_categories": [
      {
        "name": "High Power"
      },
      {
        "name": "Low Power",
        "max_watts": 100
      }
    ],
    "log_format": "Cabrillo",
    "log_deadline_days": 7,
    "log_submit_url": "https://dxhf2.darc.de/~xmaslog/upload.cgi",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "'Der Deutsche Amateur-Radio-Club (DARC) lädt alle Funkamateure zur Teilnahme ... ein' -- DARC's own English page renders it 'has the honor to invite all radio amateurs to participate in the annual XMAS Sprint-Contest.'"
    },
    "active_from": null,
    "active_until": null,
    "note": "A calendar-fixed date, not a weekday rule: 26 December whatever day it falls on. DARC shortened the log deadline to seven days and flags the change itself ('NEU: verkürzte Logabgabefrist auf 7 Tage').",
    "verified": true,
    "rules_url": "https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/regeln/",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-18",
    "source_note": "darc.de/der-club/referate/conteste/weihnachtswettbewerb/regeln/: 'Der Deutsche Amateur-Radio-Club (DARC) lädt alle Funkamateure zur Teilnahme am jährlichen Weihnachtswettbewerb (XMAS-Contest) ein.' '1. Termin: 26. Dezember, 08.30-10.59 UTC.' -- '26 December, 0830-1059 UTC.' DARC's own English page states the same: 'XMAS, 26. December 2026, 8.30-10.59 UT.' Betriebsarten und Bänder: 80m and 40m, 'CW 3510-3560 khz 7010-7040 khz, SSB 3610-3650 3700-3775 khz 7060-7100 7130-7200 khz'; 'Es sind maximal 20 Wechsel der Betriebsart oder des Bandes während der gesamten Contestzeit zugelassen.' -- at most 20 band or mode changes in the whole contest. Logeinsendeschluß: 'NEU: 7 Tage nach dem Wettbewerb (für den Contest 2026 der 2.01.2027)' -- 'NEW: 7 days after the contest.' Verified 2026-08-18."
  },
  "rule": {
    "plain": "December 26, every year",
    "raw": {
      "type": "fixed_date",
      "month": 12,
      "day": 26
    },
    "start": {
      "day_offset": 0,
      "time": "0830"
    },
    "end": {
      "day_offset": 0,
      "time": "1059"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "darc-xmas",
      "name": "DARC Weihnachtswettbewerb (XMAS Contest)",
      "start": "2026-12-26T08:30:00Z",
      "end": "2026-12-26T10:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2.48,
      "modes": [
        "CW",
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m"
      ],
      "bands_note": "CW 3510-3560 and 7010-7040 kHz; SSB 3610-3650, 3700-3775, 7060-7100 and 7130-7200 kHz",
      "sponsor": "DARC",
      "rules_url": "https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/regeln/",
      "verified": true,
      "note": "A calendar-fixed date, not a weekday rule: 26 December whatever day it falls on. DARC shortened the log deadline to seven days and flags the change itself ('NEU: verkürzte Logabgabefrist auf 7 Tage').",
      "exchange": "German stations send RS(T) + their DOK, or 'NM' if they are not a DARC or VFDB member. All stations outside Germany send RS(T) + serial number.",
      "country": "DE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-01-02T10:59:00Z",
      "uid": "darc-xmas-20261226T0830@contestcal",
      "start_date": "2026-12-26",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "darc-xmas",
      "name": "DARC Weihnachtswettbewerb (XMAS Contest)",
      "start": "2027-12-26T08:30:00Z",
      "end": "2027-12-26T10:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2.48,
      "modes": [
        "CW",
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m"
      ],
      "bands_note": "CW 3510-3560 and 7010-7040 kHz; SSB 3610-3650, 3700-3775, 7060-7100 and 7130-7200 kHz",
      "sponsor": "DARC",
      "rules_url": "https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/regeln/",
      "verified": true,
      "note": "A calendar-fixed date, not a weekday rule: 26 December whatever day it falls on. DARC shortened the log deadline to seven days and flags the change itself ('NEU: verkürzte Logabgabefrist auf 7 Tage').",
      "exchange": "German stations send RS(T) + their DOK, or 'NM' if they are not a DARC or VFDB member. All stations outside Germany send RS(T) + serial number.",
      "country": "DE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-01-02T10:59:00Z",
      "uid": "darc-xmas-20271226T0830@contestcal",
      "start_date": "2027-12-26",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "darc-xmas",
      "name": "DARC Weihnachtswettbewerb (XMAS Contest)",
      "start": "2028-12-26T08:30:00Z",
      "end": "2028-12-26T10:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2.48,
      "modes": [
        "CW",
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m"
      ],
      "bands_note": "CW 3510-3560 and 7010-7040 kHz; SSB 3610-3650, 3700-3775, 7060-7100 and 7130-7200 kHz",
      "sponsor": "DARC",
      "rules_url": "https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/regeln/",
      "verified": true,
      "note": "A calendar-fixed date, not a weekday rule: 26 December whatever day it falls on. DARC shortened the log deadline to seven days and flags the change itself ('NEU: verkürzte Logabgabefrist auf 7 Tage').",
      "exchange": "German stations send RS(T) + their DOK, or 'NM' if they are not a DARC or VFDB member. All stations outside Germany send RS(T) + serial number.",
      "country": "DE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-01-02T10:59:00Z",
      "uid": "darc-xmas-20281226T0830@contestcal",
      "start_date": "2028-12-26",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "darc-xmas",
      "name": "DARC Weihnachtswettbewerb (XMAS Contest)",
      "start": "2029-12-26T08:30:00Z",
      "end": "2029-12-26T10:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2.48,
      "modes": [
        "CW",
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m"
      ],
      "bands_note": "CW 3510-3560 and 7010-7040 kHz; SSB 3610-3650, 3700-3775, 7060-7100 and 7130-7200 kHz",
      "sponsor": "DARC",
      "rules_url": "https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/regeln/",
      "verified": true,
      "note": "A calendar-fixed date, not a weekday rule: 26 December whatever day it falls on. DARC shortened the log deadline to seven days and flags the change itself ('NEU: verkürzte Logabgabefrist auf 7 Tage').",
      "exchange": "German stations send RS(T) + their DOK, or 'NM' if they are not a DARC or VFDB member. All stations outside Germany send RS(T) + serial number.",
      "country": "DE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2030-01-02T10:59:00Z",
      "uid": "darc-xmas-20291226T0830@contestcal",
      "start_date": "2029-12-26",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "darc-xmas",
      "name": "DARC Weihnachtswettbewerb (XMAS Contest)",
      "start": "2030-12-26T08:30:00Z",
      "end": "2030-12-26T10:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2.48,
      "modes": [
        "CW",
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m"
      ],
      "bands_note": "CW 3510-3560 and 7010-7040 kHz; SSB 3610-3650, 3700-3775, 7060-7100 and 7130-7200 kHz",
      "sponsor": "DARC",
      "rules_url": "https://www.darc.de/der-club/referate/conteste/weihnachtswettbewerb/regeln/",
      "verified": true,
      "note": "A calendar-fixed date, not a weekday rule: 26 December whatever day it falls on. DARC shortened the log deadline to seven days and flags the change itself ('NEU: verkürzte Logabgabefrist auf 7 Tage').",
      "exchange": "German stations send RS(T) + their DOK, or 'NM' if they are not a DARC or VFDB member. All stations outside Germany send RS(T) + serial number.",
      "country": "DE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2031-01-02T10:59:00Z",
      "uid": "darc-xmas-20301226T0830@contestcal",
      "start_date": "2030-12-26",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    }
  ]
}