Public holidays · national coverage Estimated holiday dates

Japan public holidays 2026

The current immutable release contains 18 estimated public-holiday dates for Japan in 2026. The displayed dates do not all have recorded rule-source review. Country-release approval is not completed; use these estimates as planning guidance and confirm them before relying on them. These dates have national scope in the current immutable release.

Estimated data · rule-source review incomplete. Vacation planning is available for this selection.

EstimatedEstimated · open-source library lineage recorded · release approval pendingNext in this release: 敬老の日 on September 21, 2026.

18 calculated dates in the provisional Japan public-holiday release for 2026
Holiday	Date	Coverage	Evidence
元日Public holiday	January 1, 2026Thursday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
成人の日Public holiday	January 12, 2026Monday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
建国記念の日Public holiday	February 11, 2026Wednesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
天皇誕生日Public holiday	February 23, 2026Monday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
春分の日Public holiday	March 20, 2026Friday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
昭和の日Public holiday	April 29, 2026Wednesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
憲法記念日Public holiday	May 3, 2026Sunday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
みどりの日Public holiday	May 4, 2026Monday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
こどもの日Public holiday	May 5, 2026Tuesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
振替休日Public holiday	May 6, 2026Wednesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
海の日Public holiday	July 20, 2026Monday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
山の日Public holiday	August 11, 2026Tuesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
敬老の日Public holiday	September 21, 2026Monday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
国民の休日Public holiday	September 22, 2026Tuesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
秋分の日Public holiday	September 23, 2026Wednesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
スポーツの日Public holiday	October 12, 2026Monday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
文化の日Public holiday	November 3, 2026Tuesday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded
勤労感謝の日Public holiday	November 23, 2026Monday	national Applicability Library PUBLIC seed; available only through explicit estimated-data opt-in while legal scope and workweek await authority review.	View sourcesRule-source review not recorded

Japan public holidays 2026

January

February

March

April

May

June

July

August

September

October

November

December