The main news section of the paper will include expanded home and overseas news coverage, editorials, letters to the editor and a new comprehensive weather section.
The second broadsheet section, currently dedicated to sport, will contain extra business and sport pages.
A new section called The Register will appear in the middle of the paper and will contain double the existing space for obituaries, the Court page and a readers' debate page.
Times 2 will be extended to including more investigations and interviews, reportage and book serialisations, arts, health, law and radio and TV.
The redesign will be supported by a radio and TV advertising campaign.
The Times is owned by Rupert Murdoch's News International, which also owns The Sun, the News of the World and the Sunday Times.
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