Country observance hub

Mongolia observances

3 source-backed records whose verified scope explicitly identifies Mongolia. This is an observance index, not a public-holiday calendar.

Country-specific observances

Mongolia observance library

Source-backedFixed AnnualIn-depth guide

Independence Day of Mongolia

29 December annually · Mongolia / statutory public holiday

Mongolia Parliament and Legal Information System sources verify December 29, the 1911 independence-restoration anchor, 2007 annual-celebration legislation and current public-holiday status.

Source-backedFixed AnnualIn-depth guide

Naadam

11–15 July public-holiday period in Mongolia · Mongolia / national traditional festival and July 11–15 public-holiday period

Mongolian government guidance lists Naadam as a July 11–15 public holiday; UNESCO’s 2010 inscription documents the July 11–13 core national festival and its living cultural-heritage charact…

Source-backedFixed AnnualIn-depth guide

Political Flag Day

10 July · Mongolia / state-flag observance; not itself represented as a public holiday

Timeanddate lists Political Flag Day in Mongolia every July 10 and explicitly distinguishes it from a public holiday; National Today independently places the observance on July 10.