二は十つ日かhatukaday twenty; twenty daysBreakdown of hatuka十じゅうzyuuten二にnitwo〜日にち〜nitiday counterUsages of hatukaElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.