Inori no Mori祈りの杜working title

May 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.

Today & date finder47 calendar annotationsObservance directory2026 annual events2027 annual events

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

SunMonTueWedThuFriSat1Taian2Shakkō○ Full moon3Senshō4Tomobiki5SenbuShrine event6Butsumetsu7Taian8Shakkō9Senshō10Tomobiki11Senbu12Butsumetsu13Taian14Shakkō15Senshō16Tomobiki17Butsumetsu● New moon18Taian19Shakkō20Senshō21Tomobiki22Senbu23Butsumetsu24Taian25Shakkō26Senshō27Tomobiki28Senbu29Butsumetsu30Taian31Shakkō○ Full moon

May 1, 2026 Friday

Japan Standard Time (UTC+09:00) · Lunar date 3/15 · Kinoto–Boar 乙亥

What kind of day is it?

Taian: Traditionally considered broadly favorable.

Leave yourself room. Traditionally considered precarious, with restraint in setting out or boarding boats.

An invitation for today, written by this site: Avoid overfilling your schedule and consider adding a little rest.

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: Grain Rain, since April 20, 2026.

Calendar annotations · 4

  • Ōzuchi — first earth-restriction period

    The first part of Tsuchi, a custom of refraining from disturbing the soil.

    4/26–5/2, day 6 of 7

  • Jushinichi — the black-marked day

    Old almanacs considered it the most unfavorable day, advising restraint except for funerals. It was sometimes marked with a black dot.

  • Jūnichi — repetition day

    Good was thought to become better and harm worse through repetition. Weddings and funerals were avoided in this tradition.

  • 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.

    Spring doyō: 4/17–5/4

Other daily cycles

Twelve officers: Danger — Traditionally considered precarious, with restraint in setting out or boarding boats.

Twenty-eight mansions: 亢 — Traditionally favors sowing and discourages construction.

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

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

Moon

Approximate moon age at noon JST: 13.6 days.

● Next New moon:

○ Next Full moon:

Observance days · 5

  • Jōkōbutsu

    Day 1 of each civil month — Thirty-day Buddha assignment

    At home, pray at a time that suits you. No common required hour is confirmed in the cited material.

    Sources and checked dates · 1

    Original source titles are retained in Japanese.

  • Myōken Bosatsu

    Day 1 of each civil month

    A monthly observance in the calendar table published by Tobifudō Shōbōin.

    At home, pray at a time that suits you. No common required hour is confirmed in the cited material.

    Sources and checked dates · 1

    Original source titles are retained in Japanese.

  • Shōten-sama

    Day 1 of each civil month

    An observance described by Suō Kokubunji.

    At home, pray at a time that suits you. No common required hour is confirmed in the cited material.

    Sources and checked dates · 1

    Original source titles are retained in Japanese.

  • Kurikara Fudō

    Day 1 of each civil month

    Kurikara Fudōji: the principal Kurikara Fudō Myōō’s observance on the first of every month.

    At home, pray at a time that suits you. No common required hour is confirmed in the cited material.

    Sources and checked dates · 1

    Original source titles are retained in Japanese.

  • Marishiten

    Boar day (every 12 days)

    A stem-and-branch observance in Tobifudō Shōbōin’s calendar table.

    At home, pray at a time that suits you. No common required hour is confirmed in the cited material.

    Sources and checked dates · 1

    Original source titles are retained in Japanese.

Lunar-date references · 2

  • Amida Nyorai

    Day 1 of each lunar month — Thirty-day Buddha assignment

    Lunar-date reference only; this is not confirmation of an institution’s festival schedule.

    Sources and checked dates · 1

    Original source titles are retained in Japanese.

  • Myōken Bosatsu

    Day 15 of each lunar month

    A monthly observance in the calendar table published by Tobifudō Shōbōin.

    Lunar-date reference only; this is not confirmation of an institution’s festival schedule.

    Sources and checked dates · 1

    Original source titles are retained in Japanese.

Daily guardians · 2

All observances and their traditions · Back to the month

Sources and checked dates · 109

Original source titles are retained in Japanese.