Neville begins imagining himself in Barbados
Date (happened)
October 1933
stated
Reasoning
Passage 549255 states directly, right after describing the start of the Barbados imagining exercise, 'This was, now, late October.' The same continuous, unbroken first-person narrative names the year explicitly in passage 549256, two paragraphs later in the same telling ('But in 1933 when there were seventeen and a half million unemployed...'), fixing the October-November-December episode -- including this event -- to 1933.