Tsiku la May likubwera, pano pasadakhale kwa anthu ogwira ntchito padziko lonse lapansi kuti atumize zofuna za tchuthi.

Tsiku la Ntchito Padziko Lonse ndi tchuthi chadziko lonse m'mayiko oposa 80 padziko lonse lapansi. Ndi pa May 1 chaka chilichonse. Ndi tchuthi chomwe anthu ogwira ntchito padziko lonse amachitira.

Mu July 1889, Second International, motsogoleredwa ndi Engels, adachita msonkhano wake ku Paris. Msonkhanowu unapereka chigamulo, zomwe zinaperekedwa pa May 1, 1890 ogwira ntchito padziko lonse lapansi adachita ziwonetsero, ndipo adaganiza zoyika tsiku la May 1 tsiku la ntchito padziko lonse lapansi.

Mind Company yakonzanso mphatso zatchuthi zabwino kwa aliyense wogwira ntchito.Tikukhulupirira kuti aliyense akhoza kukhala ndi tchuthi chosangalatsa cha masiku 5.