Inori no Mori祈りの杜working title

August 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.

August 1, 2027 Sunday

Japan Standard Time (UTC+09:00) · Lunar date 6/29 · Mizunoe–Rat 壬子

What kind of day is it?

Butsumetsu: Traditionally considered unfavorable. The name does not mean a Buddhist rule against activities on this date.

Care for what is already here. Traditionally favorable for obtaining things, such as harvesting crops and purchasing goods.

An invitation for today, written by this site: Tend a tool you want to keep using, or reflect on something you have continued.

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: Major Heat, since July 23, 2027.

Calendar annotations · 6

  • Kamiyoshinichi — a day for kami worship

    Traditionally associated with visiting shrines and honoring deities and ancestors.

  • Ten’onnichi — heavenly blessing

    Representing heaven’s blessings, traditionally favored for celebrations but not mourning rites.

  • 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.

    8/1–8/12, day 1 of 12, begins

  • Kikonichi

    Traditionally associated with avoiding coming-of-age rites and lending money.

  • Tokigejiki — timed food restriction

    A custom of refraining from eating and other activities at a particular time. It does not designate the whole day.

    Dragon hour (about 07:00–09:00 JST)

  • Doyō — seasonal transition

    Transition periods in spring, summer, autumn, and winter. An earth-governing deity was believed to preside, and customs discouraged digging and other earthwork.

    Summer doyō: 7/20–8/7

Other daily cycles

Twelve officers: Hold — Traditionally favorable for obtaining things, such as harvesting crops and purchasing goods.

Twenty-eight mansions: 虚 — Traditionally discourages construction and marriage negotiations.

Twenty-seven mansions: 柳. 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

Approximate moon age at noon JST: 28 days.

● Next New moon:

○ Next Full moon:

Observance days · 4

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.