Another feature is that many of the dates with notes were excerpted from the calender when Saneyori transcribed the diary, so it is known the original work was written according to the guchureki (Japanese lunisolar calendar).
他に特徴として、実頼が日記を抄出する際、多数の暦注記事も抜書きしていることから、原本は具注暦に書かれていたことが分かる。