West Ham United's Carabao Cup fourth round tie against Manchester City will be played on Wednesday 27 October with kick-off at 7.45pm.
The Hammers host the Citizens at London Stadium after earning a 1-0 win over their local rivals Manchester United earlier this week.
Pep Guardiola's men, who have won this competition for the past four years, booked their place in the fourth round by defeating League One side Wycombe Wanderers 6-1 on Tuesday.
Full ticketing details for the London Stadium match will be announced on whufc.com in due course.