Current Date And Time In Isumi, Japan
Wednesday, 26 August 2026
04:27:05 JST
State: Chiba
Currency: Japanese Yen (JPY)
Timezone: UTC +09:00 (JST)
Population: 35,544
District: Isumi Shi
Checking bank closures, municipal non-working days, and upcoming public holiday dates in Isumi, Chiba? Here is the complete city holiday reference for Isumi.
Commercial banks, financial institutions, and municipal administrative offices in Isumi observe statutory public holidays in accordance with national and regional labor frameworks. Fixed statutory national holidays (such as Kenkoku Kinen no Hi (National Foundation Day) on February 11) mandate official non-working status for banks and government offices in Isumi.
This is Japan's national public holiday calendar — the same live calendar shown on Japan's country-level and Chiba holiday pages — embedded here because public holidays are set nationally and apply the same way in Isumi as anywhere else in Japan.
◀ Showing upcoming public holidays — use the back arrow in the calendar toolbar to browse earlier dates this year.
These are Japan's official statutory fixed-date public holidays — the same national list shown on Japan's country and Chiba holiday pages — mandated by national labor law and applicable to financial institutions, schools, and government administration in Isumi just as everywhere else in Japan.
| Holiday Name | Fixed Date | Category | Closure Status | Official Source |
|---|---|---|---|---|
| Kenkoku Kinen no Hi (National Foundation Day) | February 11 | National Public Holiday (Shukujitsu) | Full National Closure (Banks & Financial Markets Closed) | www.japan.go.jp |
| Shōwa Day | April 29 | National Public Holiday (Golden Week) | Full National Closure (Financial Markets & Schools) | www.japan.go.jp |
| Kenpō Kinenbi (Constitution Memorial Day) | May 3 | National Public Holiday (Golden Week) | Full National Closure | www.japan.go.jp |
| Kinrō Kansha no Hi (Labor Thanksgiving Day) | November 23 | National Public Holiday (Shukujitsu) | Full National Closure | www.japan.go.jp |
Statutory holidays landing on a Monday, Friday, Tuesday or Thursday create a long-weekend opportunity — here's what's coming up.
| Holiday | Date | Opportunity |
|---|---|---|
| Kinrō Kansha no Hi (Labor Thanksgiving Day) | Mon, Nov 23, 2026 | Automatic 3-day weekend |
| Kenkoku Kinen no Hi (National Foundation Day) | Thu, Feb 11, 2027 | Take the Friday after off for a 4-day weekend |
| Shōwa Day | Thu, Apr 29, 2027 | Take the Friday after off for a 4-day weekend |
| Kenpō Kinenbi (Constitution Memorial Day) | Mon, May 3, 2027 | Automatic 3-day weekend |
In Isumi, statutory public holidays signify mandatory closures for commercial bank branches, municipal administration offices, and public schools. Retail businesses and hospitality venues may operate on modified holiday hours.
If a fixed statutory holiday lands on a weekend in Isumi, the following Monday is commonly declared an official substitute non-working day by government notification.
With a population of 35,544 and running on the Asia/Tokyo time zone, Isumi follows Japan's statutory holiday dates on local calendar days — no cross-timezone adjustment needed for a purely domestic holiday list.