Inori no Mori祈りの杜working title

December 2027 — 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, 2027 Wednesday

Japan Standard Time (UTC+09:00) · Lunar date 11/4 · Kinoe–Tiger 甲寅

What kind of day is it?

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

An ordinary day, gently lived. Traditionally even in good and ill fortune and particularly favorable for consultation.

An invitation for today, written by this site: Instead of rushing to an answer, make time to listen patiently to someone close to you.

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, 2027.

Calendar annotations · 5

  • Getsutokunichi — virtue of the month

    Representing the month’s virtue, traditionally favored for arranging or improving one’s home.

  • Hassen — the eight restricted days

    Days when the stem and branch share an element and were thought to incline matters to one side. Eight days within a twelve-day period remain after four exceptions. Originally associated with avoiding warfare, later also acupuncture, moxibustion, and raising pillars.

    11/29–12/10, day 3 of 12

  • Jikanichi — earthly fire

    Traditionally associated with avoiding foundations, raising pillars, digging wells, sowing, and funerals.

  • Taikanichi — great calamity

    One of three traditionally unfavorable designations, with Rōjakunichi and Metsumonnichi. Old almanacs considered it unfavorable for all activities; originally it varied by birth year.

  • Tiger day

    A Tiger zodiac day, introduced in some traditions as Bishamonten’s observance day.

Other daily cycles

Twelve officers: Balance — Traditionally even in good and ill fortune and particularly favorable for consultation.

Twenty-eight mansions: 参 — Traditionally favors making things and distant journeys.

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

Nine-star cycle: One White Water · descending cycle. Not a personal birth-year reading.

Moon

Approximate moon age at noon JST: 3 days.

● Next New moon:

○ Next Full moon:

Observance days · 5

Lunar-date references · 1
Daily guardians · 2

All observances and their traditions · Back to the month

Sources and checked dates · 109

Original source titles are retained in Japanese.