Famitsu sales: Week 52, 2021 - (20th Dec - 26th Dec)

[ShadowLink93]

siebensus4 said:

20th December '21 - 2nd January '22 should be week 51 and 52 2021, right? (Not week 1 2022) At least to my calendar.

OP compares two weeks of 2021 with one week (52) of 2020.

Famitsu classes it as week 52 2021 and week 1 2022.