When did Malaysian Prime Minister Mahathir Mohamad send resignation from Premiership and asked the Malaysian King to form a new Government ?

A. 19 February 2020
B. 21 February 2020
C. 23 February 2020
D. 24 February 2020

Malaysian Prime Minister Mahathir Mohamad resigned Monday 24 Feb 2020 in a move analysts said appeared to be an effort to form a new coalition and block the succession of leader-in-waiting Anwar Ibrahim.
Malaysia king accepts Mahathir Mohamad’s unexpected resignation, appoints him interim prime minister until a new cabinet is formed.