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

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