Christianfeast day:

St. Paul the Apostle(solo feast day), St. Mary of Jerusalem, mother ofApostle Mark the Evangelistfirst Bishop ofAlexandriaandByblos, St. Martial, Feast of the12 Apostlesis on June 30 (marks the end of theSeason of Pentecostand the beginning of theSeason of Apostles), First Martyrs of the Church of Rome, St. Theobald of Provins, St. Adolf of Osnabrück, St. Otto of Bamberg, June 30 (Eastern Orthodox liturgics)

A series of Christian feast days observed on June 30, honoring apostles, martyrs, and liturgical seasons.
On June 30, several important feast days in the Christian liturgical calendar are celebrated. The solo feast of St. Paul the Apostle highlights his missionary journey, epistles, and legacy. St. Mary of Jerusalem, mother of the Evangelist Mark, and the first Bishop of Alexandria and Byblos are commemorated. St. Martial is honored for his missionary work in Gaul, while the Feast of the Twelve Apostles marks a key liturgical transition. This day concludes the Season of Pentecost and initiates the Season of the Apostles in some traditions. Additionally, the First Martyrs of the Church of Rome, St. Theobald of Provins, St. Adolf of Osnabrück, and St. Otto of Bamberg are remembered. Eastern Orthodox communities also observe June 30 for various liturgics.
feast day St. Paul the Apostle St. Mary of Jerusalem Apostle Mark the Evangelist Alexandria Byblos St. Martial Feast of the 12 Apostles Season of Pentecost Season of Apostles First Martyrs of the Church of Rome St. Theobald of Provins St. Adolf of Osnabrück St. Otto of Bamberg June 30 (Eastern Orthodox liturgics)

St. Paul the Apostle(solo feast day)

Marks the exclusive feast day of St. Paul the Apostle on June 30.
The solo feast of St. Paul the Apostle on June 30 focuses on his missionary work and epistolary contributions to the New Testament. St. Paul is honored for spreading Christianity throughout the Roman Empire after his dramatic conversion on the road to Damascus. The celebration includes liturgical readings from his epistles and hymns commemorating his steadfast faith. Churches often host special services reflecting on themes of redemption, evangelism, and perseverance. Devotees participate in processions and prayers seeking inspiration from Paul's teachings. The day underscores the enduring influence of St. Paul on Christian theology and practice.
St. Paul the Apostle

St. Mary of Jerusalem, mother ofApostle Mark the Evangelistfirst Bishop ofAlexandriaandByblos

Honors St. Mary of Jerusalem, mother of Apostle Mark, the first Bishop of Alexandria and Byblos. Celebrated for her foundational role in the early Church.
This feast day celebrates St. Mary of Jerusalem, the mother of Apostle Mark, who became the first Bishop of Alexandria and Byblos. Venerated for her devotion and strength, she guided her son in spreading Christianity across North Africa. Her life reflects the deep roots of the early Church and its missionary zeal. Traditions honor her contributions to the faith and her role in establishing one of the earliest Christian communities. Followers commemorate her example through prayer, liturgies, and reflection on the Gospel message. Her legacy endures as a symbol of maternal faith and perseverance in the face of early persecution.
St. Mary of Jerusalem Apostle Mark the Evangelist Alexandria Byblos

St. Martial

Celebrates St. Martial, legendary first Bishop of Limoges and missionary to Gaul.
St. Martial is revered as the first Bishop of Limoges and a pioneering missionary in 3rd century Gaul. According to legend, he brought the Gospel to the people of Aquitaine and established one of France's earliest Christian communities. Miracles and acts of charity are attributed to him, fostering deep devotion among the faithful. His feast highlights the spirit of evangelization and the spread of Christianity in Western Europe. Pilgrims and parishioners honor him through prayers and processions in his namesake cathedral. St. Martial's legacy remains a testament to faith, courage, and pastoral care.
St. Martial

Feast of the12 Apostlesis on June 30 (marks the end of theSeason of Pentecostand the beginning of theSeason of Apostles)

Marks the Feast of the Twelve Apostles, celebrating their ministry and the liturgical transition from Pentecost to the Season of Apostles.
The Feast of the Twelve Apostles honors Jesus's closest disciples and their mission to spread the Gospel. Observed on June 30, it signifies the conclusion of the Season of Pentecost and the beginning of the Season of Apostles in the church calendar. This day reflects on the apostles' leadership, sacrifices, and foundational role in establishing the early Christian Church. Liturgical celebrations feature readings and prayers focused on apostolic witness and community. Believers commemorate the unity and diversity of the apostolic mission through special services and reflections. The feast inspires faithful to emulate the apostles' dedication to faith and service.
Feast of the 12 Apostles Season of Pentecost Season of Apostles

First Martyrs of the Church of Rome

Honors the First Martyrs of the Church of Rome, early Christians who died for their faith under Nero.
The feast commemorates the earliest martyrs of the Roman Church, believed to have perished during Nero's persecution after the fire of Rome. These unnamed faithful were buried in the Roman catacombs, their sacrifice laying the foundation for Christian witness. Early believers honored them as heroes of faith, inspiring generations to remain steadfast under trial. Liturgical services remember their courage, featuring readings from the Acts of the Apostles and martyrdom accounts. The celebration calls the faithful to reflect on the cost of discipleship and the power of unwavering conviction. Their legacy endures in the catacombs' sacred spaces and in the Church's remembrance of its earliest confessors.
First Martyrs of the Church of Rome

St. Theobald of Provins

Celebrates St. Theobald of Provins, a hermit and pilgrim renowned for his ascetic devotion.
St. Theobald of Provins (1033–1066) was a French nobleman who renounced wealth to live as a hermit. His pilgrimage to the Holy Land and life of poverty reflected deep spiritual commitment. He practiced rigorous asceticism, attracting followers inspired by his humility and charity. Theobald is venerated for miraculous interventions and his role as a model of monastic life. On his feast, believers reflect on detachment from worldly goods and devotion to prayer. His story encourages modern faithful to pursue simplicity and compassion.
St. Theobald of Provins

St. Adolf of Osnabrück

Venerates St. Adolf of Osnabrück, a 13th-century bishop celebrated for his pastoral care and holiness.
St. Adolf of Osnabrück (1194–1224) served as Bishop of Osnabrück and was known for his gentle leadership. He emphasized education, charity, and reform within his diocese, earning widespread respect. Adolf founded hospitals and supported the poor, embodying the Church's mission of compassion. His piety and humility inspired clergy and laity alike, leading to his canonization by Pope Innocent IV. The feast day honors his legacy of service, prayer, and dedication to pastoral ministry. Believers commemorate him with masses and acts of charity, continuing his work of mercy.
St. Adolf of Osnabrück

St. Otto of Bamberg

Honors St. Otto of Bamberg, the 'Apostle of Pomerania' known for his missionary work in the 12th century.
St. Otto of Bamberg (1060–1139) was a German bishop who led successful missions to convert Pomerania to Christianity. Commissioned by Emperor Henry V, he overcame cultural barriers through dialogue and respect for local customs. Otto established churches, monasteries, and schools, laying the foundations for Christian life in the Baltic region. Renowned for his generosity and learning, he became a model for medieval missionary activity. His feast celebrates intercultural exchange and the spread of the Gospel through peaceful means. Believers remember his dedication with liturgies that emphasize evangelism and unity in faith.
St. Otto of Bamberg

June 30 (Eastern Orthodox liturgics)

Lists the liturgical commemorations observed in the Eastern Orthodox Church on June 30.
June 30 in the Eastern Orthodox liturgical calendar includes commemorations of apostles and martyrs. Services feature hymns and readings honoring the Twelve Apostles and other saints. The day marks transitions in the liturgical year, reflecting on apostolic witness and missionary zeal. Faithful participate in Vespers, Matins, and Divine Liturgy with special prayers for the saints. Icons of the apostles and martyrs are venerated as reminders of their example. This observance encourages believers to emulate the apostles' faithfulness and evangelistic spirit.
June 30 (Eastern Orthodox liturgics)