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
Arca War PERMANENT-REALM
Starts in --:--:--
See event times in your timezone
All event times are stored in UTC (server time) and converted to your selected timezone.
Current time in selected zone: --

Upcoming MU Online events

Event type
Realm
Arca War PERMANENT-REALM
--:--:--
  • Start --
  • End --
View full schedule
  • Monday (UTC): 00:00, 06:00, 12:00, 18:00
  • Wednesday (UTC): 00:00, 06:00, 12:00, 18:00
  • Friday (UTC): 00:00, 06:00, 12:00, 18:00
  • Saturday (UTC): 00:00, 06:00, 12:00, 18:00
Ice Wind Valley default
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Sunday (UTC): Starts 00:30 (60 min), registration 00:25 (+5 min)
  • Sunday (UTC): Starts 06:30 (60 min), registration 06:25 (+5 min)
  • Sunday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Sunday (UTC): Starts 18:30 (60 min), registration 18:25 (+5 min)
  • Monday (UTC): Starts 00:30 (60 min), registration 00:25 (+5 min)
  • Monday (UTC): Starts 06:30 (60 min), registration 06:25 (+5 min)
  • Monday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Monday (UTC): Starts 18:30 (60 min), registration 18:25 (+5 min)
  • Tuesday (UTC): Starts 00:30 (60 min), registration 00:25 (+5 min)
  • Tuesday (UTC): Starts 06:30 (60 min), registration 06:25 (+5 min)
  • Tuesday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Tuesday (UTC): Starts 18:30 (60 min), registration 18:25 (+5 min)
  • Wednesday (UTC): Starts 00:30 (60 min), registration 00:25 (+5 min)
  • Wednesday (UTC): Starts 06:30 (60 min), registration 06:25 (+5 min)
  • Wednesday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Wednesday (UTC): Starts 18:30 (60 min), registration 18:25 (+5 min)
  • Thursday (UTC): Starts 00:30 (60 min), registration 00:25 (+5 min)
  • Thursday (UTC): Starts 06:30 (60 min), registration 06:25 (+5 min)
  • Thursday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Thursday (UTC): Starts 18:30 (60 min), registration 18:25 (+5 min)
  • Friday (UTC): Starts 00:30 (60 min), registration 00:25 (+5 min)
  • Friday (UTC): Starts 06:30 (60 min), registration 06:25 (+5 min)
  • Friday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Friday (UTC): Starts 18:30 (60 min), registration 18:25 (+5 min)
  • Saturday (UTC): Starts 00:30 (60 min), registration 00:25 (+5 min)
  • Saturday (UTC): Starts 06:30 (60 min), registration 06:25 (+5 min)
  • Saturday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Saturday (UTC): Starts 18:30 (60 min), registration 18:25 (+5 min)
Chaos Castle All realms
--:--:--
  • 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 All realms
--:--:--
  • 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
Boss Battle Together All realms
--:--:--
  • Start --
  • End --
View full schedule
  • Every day start: Daily 20:15 (server time / UTC) --:--:--
  • 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) --:--:--
Ice Wind Valley PERMANENT-REALM
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Sunday (UTC): Starts 02:30 (60 min), registration 02:25 (+5 min)
  • Sunday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Monday (UTC): Starts 02:30 (60 min), registration 02:25 (+5 min)
  • Monday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Tuesday (UTC): Starts 02:30 (60 min), registration 02:25 (+5 min)
  • Tuesday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Wednesday (UTC): Starts 02:30 (60 min), registration 02:25 (+5 min)
  • Wednesday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Thursday (UTC): Starts 02:30 (60 min), registration 02:25 (+5 min)
  • Thursday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Friday (UTC): Starts 02:30 (60 min), registration 02:25 (+5 min)
  • Friday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
  • Saturday (UTC): Starts 02:30 (60 min), registration 02:25 (+5 min)
  • Saturday (UTC): Starts 12:30 (60 min), registration 12:25 (+5 min)
Castle Siege PERMANENT-REALM
--:--:--
  • Registration opens: --
  • Start --
  • End --
View full schedule
  • Guild registration (UTC): Sun 2026-05-24 16:00 --:--:--
  • Register Mark of the Lord (UTC): Thu 2026-05-28 00:00 --:--:--
  • Attack guild notification (UTC): Fri 2026-05-29 00:00 --:--:--
  • Ready for Castle Siege (UTC): Fri 2026-05-29 23:00 --:--:--
  • Castle Siege start (UTC): Sat 2026-05-30 00:00 --:--:--
  • Castle Siege end (UTC): Sat 2026-05-30 01:00 --:--:--
  • End of Castle Siege cycle (UTC): Sun 2026-05-31 16:00 --:--:--
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 default PERMANENT-REALM
Arca War — --:--:--
Ice Wind Valley --:--:-- --:--:--
Chaos Castle --:--:-- --:--:--
Blood Castle --:--:-- --:--:--
Crywolf --:--:-- --:--:--
Boss Battle Together --:--:-- --:--:--
Castle Siege — --:--:--

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