California Code, Elections Code - ELEC § 21622

(a)(1) For redistricting occurring in 2031 and thereafter, the boundaries of the council districts shall be adopted by the council not later than 205 days before the city's next regular election occurring after January 1 in each year ending in the number two.

(2) For redistricting occurring before 2031 and where a city has a regular election occurring after January 1, 2022 and before July 1, 2022, the boundaries of the council districts shall be adopted by the council not later than 174 days before that election. For cities that charge candidates a filing fee, notwithstanding subdivision (b) of Section 8106, the forms required under that subdivision shall not be made available until at least 28 days after the adoption of a final map. The elections official shall reduce the required number of signatures for the in-lieu-filing-fee petition, as specified in subdivision (a) of Section 8106, by the same proportion as the reduction in time for the candidate to collect signatures.

(3) For redistricting occurring before 2031 and where a city does not have a regular election occurring after January 1, 2022 and before July 1, 2022, the boundaries of the council districts shall be adopted by the council not later than 205 days before the city's next regular election occurring on or after July 1, 2022.