The Archbishop was interviewed by Christiane Amanpour on CNN this evening.
Read the text of Archbishop Justin Welby and Archbishop Stephen Cottrell's shared presidential address to General Synod today.
The Archbishop will spend the time between May and early August next year in prayer, study and reflection.
Dr Hamley will serve as Secretary for Ecumenical Relations and Theology and Theological Adviser to the House of Bishops.
Read the Archbishop's sermon at today's service at Westminster Abbey.
The Archbishops of Canterbury and York and other senior church leaders are inviting Christians to participate in a month of prayer as a second lockdown in England comes into force.
Ahead of national lockdown, the Archbishops of Canterbury and York have written a letter to the nation.
The Archbishops of Canterbury and York, together with the Bishop of London, have joined national faith leaders in calling on the Government to permit public worship during the forthcoming lockdown in England.
Following the announcement of a second national lockdown, a letter has been sent to clergy from the Archbishops and Bishop Sarah Mullally.