Dangane da Sabis na Duniya don Tsarin Duniya da Tsarin Magana (IERS), kuma ba wasa bane, wannan shine ake kira ma'aikata, dole ne a kara wani abu na biyu a ranar 31 ga Disamba, 2016 don samun damar daidaita yanayin lokaci daidai. Zamu dan yi magana kadan game da wannan karin na biyu wanda zamu kara a shekararmu ta 2016 idan muna son komai ya ci gaba da gudana yadda yakamata dangane da lokaci, a halin yanzu, zamu ketare yatsunmu ta yadda babu wani babban labari na kida ya mutu saboda hanya, kuma shekara ta 2016 tana zama baƙar fata musamman a gare su.
Wannan karin na biyu, kamar yadda suke fada mana Gizmodo, an san shi da «tsalle na biyu»Kuma hanya ce da ake amfani da ita don rama canje-canje a cikin juyawar Duniya wanda ke canza agogo. Kamar yadda suke fada mana, shekaru 200 da suka gabata, rana mai amfani da rana ya dauki sakan 86.400; a zamanin yau yana ɗaukar kimanin sakan 86.400,002, kuma da alama saurin juyawar Duniya yana raguwa ta hanyar da ba za a kula ba amma ana iya ganewa (dakika biyu duk bayan shekaru ɗari biyu ba shi da kyau ko kaɗan). Ya kamata agogo ya yi haka ƙara bambanci don ci gaba da aiki yadda ya kamata.
Wasu lokuta, kamar wannan shekara ta 2016, ya zama dole a ƙara ko rage na biyu, wani abu da aka yi tun daga 1972 kuma wanda a yanzu ke tabbatar da daidaitaccen tsarin tsarinmu. A yadda aka saba, ana ƙara wannan na biyu ko ƙasa da hakan tsakanin watannin Yuni ko DisambaA wannan karon an kara shi zuwa 31 ga Disamba, ku yi hankali abokai, za ku sami sakan ɗaya don cin inabin. Abu na biyu na iya haifar da kurakuran kwamfuta mai tsananin gaske, wannan shine dalilin da ya sa akwai ƙwararrun masana har zuwa wannan nau'in bambancin da ba a iya fahimta. A takaice dai, shekarar 2016 zata tafi kuma muna fatan a shekarar 2017 zaku ci gaba da amincewa da mu.