501 名無しさん 2025/10/14(火) 00:48:56.31 ID:TQCUIehtこういう確認方法もあるんやねPetra Gurin 🐧❄️ NIJISANJI EN @Petra_Gurin (2025/10/13 22:13:52)do you guys also use the knuckle trick to check if a month has 30 or 31 days. i have to check every time or i don’t knowdo you guys also use the knuckle trick to check if a month has 30 or 31 days. i have to check every time or i don’t know— Petra Gurin 🐧❄️ NIJISANJI EN (@Petra_Gurin) October 13, 2025 【翻訳】あなたたちも、月が30日か31日かを確認するために指の関節のトリックを使いますか？私は毎回確認しないとわからないんです。Petra Gurin 🐧❄️ NIJISANJI EN @Petra_Gurin (2025/10/14 00:43:40)i can’t believe so many of you guys don’t know the knuckle trick omg 😭😭😭 i use this all the time LMAOyou just look at your knuckles and count from the leftmost knuckle ― knuckles are months with 31 days and the grooves in between have 30 days! you’re welcome ☺️🫶 can’t believe so many of you guys don’t know the knuckle trick omg 😭😭😭 i use this all the time LMAOyou just look at your knuckles and count from the leftmost knuckle — knuckles are months with 31 days and the grooves in between have 30 days! you’re welcome ☺️🫶 pic.twitter.com/h1VNca6lPN— Petra Gurin 🐧❄️ NIJISANJI EN (@Petra_Gurin) October 13, 2025 【翻訳】みんながナックル・トリックを知らないなんて信じられない、OMG 😭😭😭 私これいつも使ってるよ LMAO拳を見て、一番左のナックルから数えるだけ ― ナックルは31日の月で、その間の溝は30日の月！ どういたしまして ☺️🫶🏼…