Man pages matching name datetime::locale::bs_cyrl in section 3pm:

DateTime::Locale::bs_Cyrl.3pm.en	debian 10 / libdatetime-locale-perl
DateTime::Locale::bs_Cyrl.3pm.en	debian 11 / libdatetime-locale-perl
DateTime::Locale::bs_Cyrl.3pm.en	debian 12 / libdatetime-locale-perl