Man pages matching name pmisettimezone in section 3:

pmiSetTimezone.3.en	debian 10 / libpcp3-dev
pmisettimezone.3.en	debian 10 / libpcp3-dev
pmiSetTimezone.3.en	debian 11 / libpcp3-dev
pmiSetTimezone.3.en	debian 12 / libpcp3-dev