MU Online events

MU Online Events

See upcoming MU Online events, start times and who joined. Track Castle Siege, Icewind, Arca Battle and more.

Next event up
Chaos Castle Elite
Starts in --:--:--
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All event times are stored in UTC (server time) and converted to your selected timezone.
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Upcoming MU Online events

Event type
Realm
Chaos Castle Elite
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Gate open times: 01:00, 15:00, 17:00, 19:00, 21:00, 23:00
  • Event start: Starts 5 min after gate opens
  • Duration: 15 min
Chaos Castle Bliss
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Gate open times: 01:00, 15:00, 17:00, 19:00, 21:00, 23:00
  • Event start: Starts 5 min after gate opens
  • Duration: 15 min
Chaos Castle Apex
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Gate open times: 01:00, 15:00, 17:00, 19:00, 21:00, 23:00
  • Event start: Starts 5 min after gate opens
  • Duration: 15 min
Blood Castle Nexus
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Daily times (UTC): 00:01, 00:46, 01:32, 02:16, 03:00, 03:46, 04:29, 05:14, 06:00, 06:43, 07:27, 08:13, 08:57, 09:43, 10:28, 11:12, 11:58, 12:42, 13:27, 14:13, 14:57, 15:41, 16:28, 17:11, 17:56, 18:41, 19:24, 20:09, 20:54, 21:39, 22:22, 23:07, 23:52
  • Registration: Opens 5 min before each start time
  • Duration: 15 min
Blood Castle Elite
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Daily times (UTC): 00:10, 00:40, 01:10, 01:40, 02:10, 02:40, 03:10, 03:40, 05:10, 07:10, 09:10, 11:10, 13:10, 15:10, 17:10, 19:10, 21:10, 21:40, 22:10, 22:40, 23:10, 23:40
  • Registration: Opens 5 min before each start time
  • Duration: 15 min
Blood Castle Bliss
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Daily times (UTC): 00:10, 00:40, 01:10, 01:40, 02:10, 02:40, 03:10, 03:40, 05:10, 07:10, 09:10, 11:10, 13:10, 15:10, 17:10, 19:10, 21:10, 21:40, 22:10, 22:40, 23:10, 23:40
  • Registration: Opens 5 min before each start time
  • Duration: 15 min
Blood Castle Apex
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Daily times (UTC): 00:10, 00:40, 01:10, 01:40, 02:10, 02:40, 03:10, 03:40, 05:10, 07:10, 09:10, 11:10, 13:10, 15:10, 17:10, 19:10, 21:10, 21:40, 22:10, 22:40, 23:10, 23:40
  • Registration: Opens 5 min before each start time
  • Duration: 15 min
Crywolf All realms
--:--:--
  • Start --
View full schedule
  • Invasion times (UTC): 02:10, 05:10, 08:10, 11:10, 14:10, 17:10, 20:10, 23:10
Chaos Castle Nexus
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Gate open times: 00:16, 01:01, 01:47, 02:31, 03:15, 04:01, 04:44, 05:29, 06:15, 06:58, 07:42, 08:28, 09:12, 09:58, 10:43, 11:27, 12:13, 12:57, 13:42, 14:28, 15:12, 15:56, 16:43, 17:26, 18:11, 18:56, 19:39, 20:24, 21:09, 21:54, 22:37, 23:22
  • Event start: Starts 5 min after gate opens
  • Duration: 15 min
Boss Battle Together All realms
--:--:--
  • Start --
  • End --
View full schedule
  • Every day start: Daily 00:15 (server time / UTC) --:--:--
  • Every day start: Daily 04:15 (server time / UTC) --:--:--
  • Every day start: Daily 08:15 (server time / UTC) --:--:--
  • Every day start: Daily 12:15 (server time / UTC) --:--:--
  • Every day start: Daily 16:15 (server time / UTC) --:--:--
  • Every day start: Daily 20:15 (server time / UTC) --:--:--
Arca War Nexus
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  • Start --
  • End --
View full schedule
  • Monday (UTC): 01:00, 07:00, 13:00, 19:00
  • Wednesday (UTC): 01:00, 07:00, 13:00, 19:00
  • Friday (UTC): 01:00, 07:00, 13:00, 19:00
  • Saturday (UTC): 01:00, 07:00, 13:00, 19:00
Arca War Elite
--:--:--
  • Start --
  • End --
View full schedule
  • Monday (UTC): 02:00, 08:00, 14:00, 20:00
  • Wednesday (UTC): 02:00, 08:00, 14:00, 20:00
  • Friday (UTC): 02:00, 08:00, 14:00, 20:00
  • Saturday (UTC): 02:00, 08:00, 14:00, 20:00
Arca War Bliss
--:--:--
  • Start --
  • End --
View full schedule
  • Monday (UTC): 02:00, 08:00, 14:00, 20:00
  • Wednesday (UTC): 02:00, 08:00, 14:00, 20:00
  • Friday (UTC): 02:00, 08:00, 14:00, 20:00
  • Saturday (UTC): 02:00, 08:00, 14:00, 20:00
Arca War Apex
--:--:--
  • Start --
  • End --
View full schedule
  • Monday (UTC): 02:00, 08:00, 14:00, 20:00
  • Wednesday (UTC): 02:00, 08:00, 14:00, 20:00
  • Friday (UTC): 02:00, 08:00, 14:00, 20:00
  • Saturday (UTC): 02:00, 08:00, 14:00, 20:00
Ice Wind Valley Elite
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Schedule (UTC): Daily – starts at 14:30 (60 min), registration 14:25 (+5 min)
Ice Wind Valley Bliss
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Schedule (UTC): Daily – starts at 14:30 (60 min), registration 14:25 (+5 min)
Ice Wind Valley Nexus
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Schedule (UTC): Daily – starts at 15:00 (60 min), registration 13:55 (+5 min)
Ice Wind Valley Apex
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Schedule (UTC): Daily – starts at 20:00 (60 min), registration 19:55 (+5 min)
Castle Siege Nexus
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Guild registration (UTC): Sun 2026-02-22 16:00 --:--:--
  • Register Mark of the Lord (UTC): Thu 2026-02-26 00:00 --:--:--
  • Attack guild notification (UTC): Fri 2026-02-27 00:00 --:--:--
  • Ready for Castle Siege (UTC): Fri 2026-02-27 23:00 --:--:--
  • Castle Siege start (UTC): Sat 2026-02-28 16:00 --:--:--
  • Castle Siege end (UTC): Sat 2026-02-28 17:00 --:--:--
  • End of Castle Siege cycle (UTC): Sun 2026-03-01 16:00 --:--:--
Castle Siege Elite
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Guild registration (UTC): Sun 2026-02-22 00:00 --:--:--
  • Register Mark of the Lord (UTC): Thu 2026-02-26 00:00 --:--:--
  • Attack guild notification (UTC): Fri 2026-02-27 00:00 --:--:--
  • Ready for Castle Siege (UTC): Fri 2026-02-27 23:00 --:--:--
  • Castle Siege start (UTC): Sat 2026-02-28 17:00 --:--:--
  • Castle Siege end (UTC): Sat 2026-02-28 18:00 --:--:--
  • End of Castle Siege cycle (UTC): Sun 2026-03-01 00:00 --:--:--
Castle Siege Bliss
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Guild registration (UTC): Sun 2026-02-22 00:00 --:--:--
  • Register Mark of the Lord (UTC): Thu 2026-02-26 00:00 --:--:--
  • Attack guild notification (UTC): Fri 2026-02-27 00:00 --:--:--
  • Ready for Castle Siege (UTC): Fri 2026-02-27 23:00 --:--:--
  • Castle Siege start (UTC): Sat 2026-02-28 17:00 --:--:--
  • Castle Siege end (UTC): Sat 2026-02-28 18:00 --:--:--
  • End of Castle Siege cycle (UTC): Sun 2026-03-01 00:00 --:--:--
Castle Siege Apex
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Guild registration (UTC): Sun 2026-02-22 00:00 --:--:--
  • Register Mark of the Lord (UTC): Thu 2026-02-26 00:00 --:--:--
  • Attack guild notification (UTC): Fri 2026-02-27 00:00 --:--:--
  • Ready for Castle Siege (UTC): Fri 2026-02-27 23:00 --:--:--
  • Castle Siege start (UTC): Sat 2026-02-28 23:00 --:--:--
  • Castle Siege end (UTC): Sun 2026-03-01 00:00 --:--:--
  • End of Castle Siege cycle (UTC): Sun 2026-03-01 01:00 --:--:--
How the timers work

Times are stored in UTC and converted to your selected timezone. Live and registering events are highlighted automatically.

  • All event times are stored in server time (UTC) and converted to your local timezone.
  • Use the filters to focus on one event type like Blood Castle, Castle Siege or Boss Battle Together.
  • Cards are sorted by next start time, with live and registration windows highlighted automatically.

Global registration overview

Quick overview of the next registration openings for each event across all realms (server time / UTC).

Event Elite Bliss Apex Nexus
Chaos Castle --:--:-- --:--:-- --:--:-- --:--:--
Blood Castle --:--:-- --:--:-- --:--:-- --:--:--
Crywolf --:--:-- --:--:-- --:--:-- --:--:--
Boss Battle Together --:--:-- --:--:-- --:--:-- --:--:--
Arca War --:--:-- --:--:-- --:--:-- --:--:--
Ice Wind Valley --:--:-- --:--:-- --:--:-- --:--:--
Castle Siege --:--:-- --:--:-- --:--:-- --:--:--

Registration times are shown in server time (UTC). Use the converter above to see them in your local time.