一応検索してみました
皇紀弐千六百八十一年四月一日
https://www.google.co.jp/search?q=%E7%9A%87%E7%B4%80%E5%BC%90%E5%8D%83%E5%85%AD%E7%99%BE%E5%85%AB%E5%8D%81%E4%B8%80%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://www.google.co.jp/search?tbm=isch&q=%E7%9A%87%E7%B4%80%E5%BC%90%E5%8D%83%E5%85%AD%E7%99%BE%E5%85%AB%E5%8D%81%E4%B8%80%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://twitter.com/search?q=%E7%9A%87%E7%B4%80%E5%BC%90%E5%8D%83%E5%85%AD%E7%99%BE%E5%85%AB%E5%8D%81%E4%B8%80%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
西暦二千二十三年四月一日
https://www.google.co.jp/search?q=%E8%A5%BF%E6%9A%A6%E4%BA%8C%E5%8D%83%E4%BA%8C%E5%8D%81%E4%B8%89%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://www.google.co.jp/search?tbm=isch&q=%E8%A5%BF%E6%9A%A6%E4%BA%8C%E5%8D%83%E4%BA%8C%E5%8D%81%E4%B8%89%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://twitter.com/search?q=%E8%A5%BF%E6%9A%A6%E4%BA%8C%E5%8D%83%E4%BA%8C%E5%8D%81%E4%B8%89%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
令和五年四月一日
https://www.google.co.jp/search?q=%E4%BB%A4%E5%92%8C%E4%BA%94%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://www.google.co.jp/search?tbm=isch&q=%E4%BB%A4%E5%92%8C%E4%BA%94%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://twitter.com/search?q=%E4%BB%A4%E5%92%8C%E4%BA%94%E5%B9%B4%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
四月一日
https://www.google.co.jp/search?q=%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://www.google.co.jp/search?tbm=isch&q=%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://twitter.com/search?q=%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
旧暦四月一日
https://www.google.co.jp/search?q=%E6%97%A7%E6%9A%A6%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://www.google.co.jp/search?tbm=isch&q=%E6%97%A7%E6%9A%A6%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
https://twitter.com/search?q=%E6%97%A7%E6%9A%A6%E5%9B%9B%E6%9C%88%E4%B8%80%E6%97%A5
それなりでした
