🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsفارسی中文日本語EntityQ956736· pop 11· linked from 185 articleschart datumAlso known as CDlevel of water that charted depths displayed on a nautical chart are measured fromAvailable in 11 languagesFrançaisDeutsch中文ItalianoCatalanGreekNederlandsNorwegianNorwegian Nynorskفارسیvia Wikidata sitelinks · CC0ConnectionstideEntitygeodetic reference systemEntityCategoriesCartographyNautical chartsTide tablesVertical datums