August 22

WYD Seoul 2027 Press Conference

September 27

Establishment of the Preparatory Committee for the WYD Seoul 2027 Local Organizing Committee (LOC)

February 14

Began the One Billion Decades of Rosary Movement in preparation for WYD Seoul 2027

March 14

Appointment of Bishop Paul Kyung-Sang Lee as the General Coordinator of the LOC

April 4

Preliminary Research Team met with Archbishop Chung to share their experiences of the process of preparing for WYD

April 13

Blessing of the LOC Office

May 3, 16, 30

Held Forum for Diocesan Priests regarding WYD pastoral care

May 23-28

Presented on WYD Seoul 2027 at the International Congress on Youth Ministry held in Rome and concluded agreement with the DLFL

June 22

After completing the Preliminary Research Team activities, offered the fruits of their work with a ceremony

June 28

Held the Camp at the Cathedral to listen to and share the stories of young people

July 12

Inaugural General Assembly of the WYD Seoul 2027 Foundation

July 28

To celebrate three years until the event, a kick-off ceremony and Mass were held at Myeongdong Cathedral

September 24

Holy See announced themes for the 40th and 41st WYD and the logo for WYD Seoul 2027

October 6

Began the “1004 Project,” which includes a Vicariate-level Youth Mass and “Conversations with the Bishop”

November 24

Young people from Lisbon hand over the iconic WYD Cross and Icon of Our Lady, Salus Populi Romani

November 29

Welcoming Event for the WYD Symbols, WYD Cross and Icon of Our Lady, Salus Populi Romani

March 28

24 Hours for the Lord prepared by young volunteers

April 26

First tree planting of the "Breath of Life" Campaign for carbon neutrality

May 10-11

Youth Festival for World Day of Prayer for Vocations

July 4-13

Exhibition of With Courage like a Mustard Seed, a visual meditation on the theme of WYD Seoul 2027

July 18

Mass to celebrate completion of formation of second round of preparation volunteers

July 19

Send-off Mass for Jubilee of Youth participants

July 24- August 3

Pilgrimage of 1078 young people from Seoul to the Jubilee of Youth in Rome

August 3

Pope Leo XIV announced the dates for WYD Seoul 2027 (August 3-8, 2027) during the Angelus at the closing of the Jubilee for Youth

September 6

WYD Super Class | Session 1

September 27

Mass commemorating the Korean martyrs with young pilgrims who participated in the September Pilgrimage

September 27-28

Retreat for the Preparation of the Official WYD Prayer

October 18

Second tree planting of the "Breath of Life" Campaign for carbon neutrality

October 25-26

Volunteers’ Fellowship Days | Sessions 1-2

October 27

Press Briefing on the Master Plan for WYD Seoul 2027

November 1

WYD Super Class | Session 2

November 8-9

Workshop for WYD Section Leaders

November 10-16

Visit of Representatives of the Dicastery for Laity, Family and Life (DLFL) to Korea

November 15

Academic Symposium | Catholic University of Korea Institute for Pastoral Research & WYD Seoul 2027 LOC

November 22

WYD Briquette-Sharing Volunteer Activity

November 22

40th World Youth Day Celebration

December 6-7

WYD Volunteers’ Retreat

December 17-22

Visit of Cardinal Américo Aguiar to Korea

December 20

Thanksgiving Ceremony  for the Asian Pilgrimage of the WYD Symbols | Bearing the Light of Pilgrimage: From Seoul to the World