Inori no Mori祈りの杜working title

December 2026 — Japanese calendar

Explore Japanese calendar traditions, observance days and shrine events. Dates and traditional hours are shown in Japan Standard Time (UTC+09:00).

Supported dates: 1 January 2026–31 December 2027. Calendar beliefs differ across regions and traditions. This is not a prediction, a guarantee, or a complete schedule for every shrine and temple. Check the institution’s current announcement before attending.

Choose a date

● New moon · ○ Full moon. Moon-phase instants are shown in JST; your local time appears alongside them when available.

December 1, 2026 Tuesday

Japan Standard Time (UTC+09:00) · Lunar date 10/23 · Tsuchinoto–Rooster 己酉

What kind of day is it?

Tomobiki: Traditionally favored for celebrations. Avoiding funerals is a custom, not a universal Buddhist prohibition.

Meet something new. Traditionally favorable for future aspirations such as entering school or beginning a business.

An invitation for today, written by this site: Read one page of a book you have been curious about, or touch another new subject.

These are historical calendar traditions, not predictions or measures of a person’s luck. They do not determine medical decisions, a funeral’s permissibility, or the outcome of an event.

Current solar term: Minor Snow, since November 22, 2026.

Calendar annotations · 6

Other daily cycles

Twelve officers: Open — Traditionally favorable for future aspirations such as entering school or beginning a business.

Twenty-eight mansions: 觜 — Traditionally favors beginning study and discourages construction.

Twenty-seven mansions: 軫. This is a separate cycle; the twenty-eight-mansion interpretation above is not applied to it.

Nine-star cycle: Six White Metal · descending cycle. Not a personal birth-year reading.

Moon

◐ Last quarter:

Approximate moon age at noon JST: 21.8 days.

● Next New moon:

○ Next Full moon:

Observance days · 4

Lunar-date references · 2
Daily guardians · 2

All observances and their traditions · Back to the month

Sources and checked dates · 109

Original source titles are retained in Japanese.