24-Hour Gradient Day Length Diary 2027 / MIDORI

• Format: Monthly block + 24-hour vertical weekly
• Size: B6
• Dimensions: W135 × H193 × D11mm
• Materials: Paper, PVC
• Extras: 24 solar terms, moon phases, seasonal calendar markers, weekly "Seasonal Note" column, appendix to-do list (morning / afternoon / evening)
• Coverage: December 2026 through end of 2027

Most planners divide the day into identical hourly blocks, ignoring the fact that a January morning and a June morning feel nothing alike. This diary was designed around that difference. The core of the weekly spread is a 24-hour vertical column that uses a soft color gradient to show daylight length on any given day: the pale band of dawn, the bright midday stretch, the early dusk of winter or the long twilight of summer.

Layered over that are the 24 solar terms from the traditional East Asian calendar, which break the year into fortnightly periods tied to agricultural and seasonal cycles. These appear alongside moon phase icons on the monthly spreads, giving a second, slower rhythm to the year. The weekly "Seasonal Note" column adds a one-line prompt tied to that week's place in the season.

The appendix includes a to-do list structured around morning, afternoon, and evening rather than a flat list, intended for building daily habits that follow the natural arc of daylight. The diary starts in December 2026 to give a month of runway before the new year.