Classes take place every weekday, including during the Summer. When Sensei Gunther is absent, classes are conducted by one of our senior black belts such as Leo Mallett (2nd Dan) or Igor Popovic (2nd Dan).

There are no classes on European Commission holidays when the building is closed.

Public holidays in 2026 on weekdays when Commission buildings are closed and there will be no classes:

• Thursday 1 January New Year's Day
• Friday 2 January Day after New Year's Day
• 2 April Maundy Thursday
• 3 April Good Friday
• 6 April Easter Monday
• Friday 1 May Labour Day
• Thursday 14 May Ascension Day
• Friday 15 May Day after Ascension Day
• 25 May Whit Monday
• Tuesday 21 July Belgian National Day
• Monday 2 November All Souls' Day
• 24-31 December End-of-year closure days (including Christmas)