Holiday guide

Constitution Memorial Day.

Global holiday guide rooted in Japan's calendar, observed nationwide.

Next occurrence

May 3, 2027

Monday · Asia/Tokyo

Next occurrence

May 3, 2027

Monday

Observed in

1 country

Current holiday dataset

Primary context

Japan

Public

Planning timezone

Asia/Tokyo

UTC+09:00

Countdown

Next: May 3, 2027 (Monday)

Constitution Memorial Day

178 days away
177Days
19Hours
54Min
50Sec

Constitution Memorial Day is one piece of Japan's Golden Week cluster, so its importance comes from both civic meaning and the way it joins a high-travel holiday period. In the current dataset this holiday is only listed for Japan.

Dates draw from the curated holiday catalog (tracked window 2025-2027); cultural context comes from the source-cited curation library when an entry exists.

Holiday details

Local statutory mode, country coverage, date rule, timezone spread, and related planning context for Constitution Memorial Day.

Primary calendar

Japan · Public

Cultural family

secular civic holiday · East Asia

Observed scope

Nationwide observance

Coverage reach

1 country in the current holiday dataset

Timezone context

Asia/Tokyo (UTC+09:00)

Next date signal

May 3, 2027 · Monday

Forward window

2025: May 3, 2025 · 2026: May 3, 2026 · 2027: May 3, 2027

Related planning set

New Year's Day · Children's Day · Greenery Day

Regional spread

Asia 1

Reference posture

fixed story profile plus catalog dates

Holiday data fingerprint

The rows below are built from this holiday's actual route, country, local-name, date, rule, timezone, observed-country, and adjacent-calendar records. They make Constitution Memorial Day in Japan distinct from holidays with similar names or the same season.

Route identity

constitution-memorial-day · Constitution Memorial Day · Japan · JP

Local name and scope

憲法記念日 · Public · nationwide

Rule and family

secular civic holiday · East Asia · fixed-date

Country/date clusters

May 3, 2027 (1)

Observed type mix

Public: 1

Forward date window

2027: May 3, 2027 (Monday) · 2028: May 3, 2028 (Wednesday) · 2029: May 3, 2029 (Thursday) · 2030: May 3, 2030 (Friday) · 2031: May 3, 2031 (Saturday)

Timezone anchor

Asia/Tokyo · Asia/Tokyo (UTC+09:00)

Calendar neighbors

previous: Shōwa Day (4 days before) · next: Greenery Day (1 days after)

Source depth

5 reference checkpoints · fixed story profile plus catalog dates

Closure and planning risk register

The practical risk is not just the date. Constitution Memorial Day can affect closure expectations, bridge-day leave, country-specific substitutions, cross-border date drift, and timezone reminders differently in each jurisdiction.

Closure expectation

High

Constitution Memorial Day is modeled as a public holiday in Japan; expect office, bank, school, and service-hour changes unless a local exception applies.

Date confidence

Projected tail

4 forward rows are projected from a fixed-date rule after the tracked catalog window; verify long-range statutory calendars before committing.

Bridge-day pressure

Monday

Constitution Memorial Day next falls on May 3, 2027 (Monday). Built-in long-weekend pressure because the holiday touches the weekend directly.

Cross-border drift

Local only

Constitution Memorial Day is effectively a Japan detail page in this dataset; local rules matter more than international comparison.

Timezone handling

Single zone

Japan has a single primary timezone in this country record, so date-boundary risk is lower than in multi-zone countries.

Source posture

Referenced

Constitution Memorial Day has 5 visible reference checkpoints on the page. fixed story profile plus catalog dates.

Source and verification checkpoints

This page keeps the date answer separate from statutory verification. The catalog supplies the tracked date rows; the checkpoints below show which authority, story profile, local specificity, and dossier layer should be reviewed when the holiday affects bookings, payroll, travel, or public-service hours.

Country authority checkpoint

Cabinet Office Japan national-holiday calendar; Japan substitute-holiday and bridge-day rules

Story and rule checkpoint

fixed holiday profile: Constitution Memorial Day is one piece of Japan's Golden Week cluster, so its importance comes from both civic meaning and the way it joins a high-travel holiday period.

Local specificity checkpoint

Local specificity comes from the selected country calendar row, local name, observance type, timezone record, nearby holidays, and observed cross-country date spread.

Dossier checkpoint

No full manual dossier is attached yet; the page keeps cultural claims bounded to the story profile, source checklist, and catalog-derived date facts.

Reference stack

  • Cabinet Office Japan national-holiday calendar
  • Japan substitute-holiday and bridge-day rules
  • Japan Golden Week calendar references
  • Internal curated holiday catalog for tracked date rows
  • countries.json and zones.json for country and timezone context

Reliability and cross-border spread

This block separates the local Japan holiday answer from two common sources of programmatic-calendar confusion: countries that use the same holiday name on different dates, and future rows that are projected from a rule rather than directly tracked.

Cross-border date spread

Constitution Memorial Day is currently anchored to Japan in the observed-country dataset, so cross-border date drift is not a major concern on this page.

Projection reliability

Constitution Memorial Day has a projectable fixed-date pattern, but projected rows are explicitly labeled and should not be treated as official statutory notices. Source posture: no curated dossier attached.

Observed next-date clusters

May 3, 2027

1 country · Japan

Observed type mix across countries

Public1

Local names and country context

Name in Japan

憲法記念日

The local catalog name for Japan is 憲法記念日; the English display name is Constitution Memorial Day.

Country calendar role

Constitution Memorial Day is recorded in Japan as a public holiday with nationwide scope.

History and significance

The date commemorates Japan's post-war constitution and sits inside a broader spring sequence that reshapes domestic movement, leisure, and business closures each year.

That combination of constitutional symbolism and Golden Week timing makes it more consequential than a standard one-day civic observance.

Constitution Memorial Day is marked as a nationwide observance in the current Japan holiday data.

Date behavior and next years

Constitution Memorial Day is scheduled on May 3 each year. In the tracked 2025-2027 data window, it stays on May 3 and only the weekday changes.

Because Constitution Memorial Day stays on the same calendar date, the only year-over-year planning shift is the day of the week — that controls long-weekend math, school-closure timing, and how the holiday lands in payroll cycles.

The current static build keeps the tracked 2025-2027 date window online for curated holiday detail pages.

YearDateDay
2025May 3, 2025Saturday
2026May 3, 2026Sunday
2027May 3, 2027Monday

Next 5 occurrences and weekday distribution

The first rows are taken from the tracked catalog window (2025-2027); rows after the catalog cut-off are projected forward because Constitution Memorial Day has a fixed-date rule. Easter-cycle, lunar, and country-specific custom-rule holidays are never projected — those rows simply stop at the catalog edge.

YearDateWeekdaySource
2027May 3, 2027MondayCatalog
2028May 3, 2028WednesdayProjected (fixed rule)
2029May 3, 2029ThursdayProjected (fixed rule)
2030May 3, 2030FridayProjected (fixed rule)
2031May 3, 2031SaturdayProjected (fixed rule)

Projected rows assume the fixed-date rule continues to repeat the same calendar date; weekend-substitution and other statutory adjustments may shift the actual local observance day.

Seasonal placement

Constitution Memorial Day next lands in the spring planning band for Japan. That matters for school terms, travel season, and whether the holiday sits near year-end, spring religious calendars, summer travel, or autumn civic cycles.

Weekday distribution in this window

Friday1
Monday1
Saturday1
Thursday1
Wednesday1

How Constitution Memorial Day is observed

Constitution Memorial Day is a secular civic anchor: its meaning is constitutional, political, or statehood-related, with little religious or seasonal content driving the date.

Searches for Constitution Memorial Day usually want the exact date, the public-closure status in Japan, and a quick read of why the date is on the calendar at all.

Cultural family

secular civic holiday

Origin region: East Asia

Statutory mode

Constitution Memorial Day is listed as a public holiday in Japan (nationwide), which usually means government offices, banks, and most schools close.

Planning notes for teams, travel, and operations

As a secular civic holiday sitting in the Japan calendar, Constitution Memorial Day matters for planning because office, bank, and school closures stack on the same day. The next tracked occurrence is May 3, 2027 (Monday), which controls long-weekend math for that year.

Constitution Memorial Day also appears in other country calendars such as Japan. Recorded next dates include Japan on May 3, 2027 — slight differences across borders are common because each country can apply weekend-substitution or regional-only rules to the same nominal holiday.

Japan plans this holiday primarily around Asia/Tokyo. Because Constitution Memorial Day stays on the same calendar date, the only year-over-year planning shift is the day of the week — that controls long-weekend math, school-closure timing, and how the holiday lands in payroll cycles. Teams often line Constitution Memorial Day up with New Year's Day, Children's Day, and Greenery Day when blocking off the broader holiday window.

Holiday planning depth

What the Constitution Memorial Day entry signals

A compact read of the holiday catalog row: rule kind, observance scope, country reach, and what curated context (if any) is attached. Useful before deciding whether the headline date alone answers a planning question.

Calendar fingerprint

Constitution Memorial Day is tracked as a public entry in Japan (nationwide). It reads as a secular civic holiday with origins in East Asia; the date follows a fixed-date rule.

Date and rhythm

Next tracked occurrence is May 3, 2027 (Monday). Forward dates: 2027: May 3, 2027 (Monday), 2028: May 3, 2028 (Wednesday), 2029: May 3, 2029 (Thursday), 2030: May 3, 2030 (Friday), and 2031: May 3, 2031 (Saturday).

Cross-country reach

Constitution Memorial Day is currently a single-country entry in the dataset, anchored to Japan. Adjacent planning entries on the same calendar include New Year's Day, Children's Day, and Greenery Day.

Local planning anchor

Japan plans this holiday around Asia/Tokyo. The page treats the country-level closure rule (public) as the headline operational signal, not a generic public-holiday template.

Curation depth

No curated dossier is attached. The page still surfaces the catalog metadata but skips the source-cited cultural depth panel.

Statutory and projection cautions

Weekend substitution is country-specific: Japan may observe the nominal date, grant a substitute weekday, or apply regional-only rules depending on the statute and year. Constitution Memorial Day is currently anchored to Japan in the observed-country dataset, so cross-border date drift is not a major concern on this page. Constitution Memorial Day has a projectable fixed-date pattern, but projected rows are explicitly labeled and should not be treated as official statutory notices. Source posture: no curated dossier attached.

Local-name context

The local catalog name for Japan is 憲法記念日; the English display name is Constitution Memorial Day.
Holiday calendars drift year over year as governments revise statutory observance rules; treat the tracked window as a reliable reference and verify the exact local rule before committing to long-range schedules.

Previous and next observed holidays

The closest observed holidays before and after Constitution Memorial Day in the Japancalendar show the local scheduling neighborhood for 2027.

Previous holiday

Shōwa Day

April 29, 2027 · Public

4 days before Constitution Memorial Day; local label: 昭和の日.

Next holiday

Greenery Day

May 4, 2027 · Public

1 day after Constitution Memorial Day; local label: みどりの日.

Local calendar neighborhood

These are the closest holidays around Constitution Memorial Day in the Japancalendar for 2027. They help separate this guide from holidays in the same season or religious/civic family.

Greenery Day

May 4, 2027 · Public

1 day after Constitution Memorial Day. Local label: みどりの日.

Children's Day

May 5, 2027 · Public

2 days after Constitution Memorial Day. Local label: こどもの日.

Shōwa Day

April 29, 2027 · Public

4 days before Constitution Memorial Day. Local label: 昭和の日.

Vernal Equinox Day

March 21, 2027 · Public

43 days before Constitution Memorial Day. Local label: 春分の日.

The Emperor's Birthday

February 23, 2027 · Public

69 days before Constitution Memorial Day. Local label: 天皇誕生日.

Marine Day

July 19, 2027 · Public

77 days after Constitution Memorial Day. Local label: 海の日.

Observed countries and regions

Constitution Memorial Day is only listed for Japan in the current dataset.

Asia

1 country

Country-by-country timing snapshot

Constitution Memorial Day is currently a single-country entry, so the next-date row below is the operational anchor for Japan.

CountryNext dateType
JapanMay 3, 2027Public

Related holidays in Japan

Related links are selected from the same country calendar first, with family matches such as Easter-cycle or lunisolar festivals preferred before nearby-date filler.

FAQ

Is Constitution Memorial Day a public holiday in Japan?▾

Yes — Constitution Memorial Day is listed as a public holiday in Japan on a nationwide basis.

When is Constitution Memorial Day in Japan in 2027?▾

In 2027, Constitution Memorial Day in Japan falls on May 3, 2027 (Monday). Subsequent dates: 2028 May 3, 2028, 2029 May 3, 2029, 2030 May 3, 2030.

How is the date for Constitution Memorial Day determined?▾

Constitution Memorial Day is scheduled on May 3 each year. In the tracked 2025-2027 data window, it stays on May 3 and only the weekday changes. Because Constitution Memorial Day stays on the same calendar date, the only year-over-year planning shift is the day of the week — that controls long-weekend math, school-closure timing, and how the holiday lands in payroll cycles.

What kind of holiday is Constitution Memorial Day?▾

Constitution Memorial Day is listed as a public holiday in Japan (nationwide), which usually means government offices, banks, and most schools close. It reads as a secular civic holiday with origins tied to East Asia.

What is the local name for Constitution Memorial Day in Japan?▾

The local catalog name for Japan is 憲法記念日; the English display name is Constitution Memorial Day.

Where is Constitution Memorial Day observed?▾

Constitution Memorial Day is only listed for Japan in the current dataset.

What timezone should I use for Constitution Memorial Day planning in Japan?▾

Japan uses Asia/Tokyo (UTC+09:00) for local planning.

Which holidays are commonly planned alongside Constitution Memorial Day?▾

Constitution Memorial Day is often compared with New Year's Day, Children's Day, Greenery Day on the Japan calendar.

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