The approximate Osesshin dates to come are as follows:
(For the Osesshins in Europe please check: https://www.onedropzen.org/calendar/
and for the US please check https://www.tahomazenmonastery.com/calendar/)

Because of the the Roshi’s busy schedule it is very difficult to give exact dates for Osesshins. Please use this as a opportunity to come early and stay a few days later so that you can settle in before the Osesshin starts.

There may be a change of a few days. As soon as firm dates are know they will posted here.

2026 January Confirmed

• Kokuho is on evening of the 6th. Osesshin runs from the 7th until the 13th.

2026 February

• Kokuho is evening on the 14^th Osesshin runs from the 15^th until the 21^st.

2026 March

• Kokuho is evening on the 21^st Osesshin runs from the 22^nd until the 28^th. .

2026 April

• Kokuho is evening on the 19^th Osesshin runs from the 20^th until the 26^th. .

2026 May

• Kokuho is evening on the 5^th Osesshin from the 6^th until the 12^th.

2026 June

• Kokuho is evening on the 7^th Osesshin runs from the 8^th until the 14^th.

2026 July

• Kokuho is evening on the 3^rd Osesshin runs from the 4^th until the 10^th.

2026 August

• There is no Osesshin during this month.

2026 September

• Kokuho is evening on the 23^rd Osesshin runs from the 24^th until the 30^th.

2026 October

• Kokuho is evening on the 4^th Osesshin runs from the 5^th until the 11^th. .

2026 November

• Kokuho is evening on the 14^th Osesshin from 15^th until the 21^st .

2026 December

• Rohatsu: Kokuho is evening on the 3^rd Rohatsu runs from the 4^th until the 11^th.
• December Osesshin: Kokuho is evening on the 14^th Osesshin runs from the 15^th until the 21^st .

The Osesshin dates are subject to swift changes. Please make sure to keep coming back and checking, especially before finalizing your travel plans.