[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-07-31 (世界標準時間)。"],[],[],null,["FORMAT_DATETIME\n===============\n\nConverts a date or date and time to formatted text.\n\nSample usage\n------------\n\n`FORMAT_DATETIME(\"%c\", Order Date)`\n\nSyntax\n------\n\n`FORMAT_DATETIME( `\u003cvar translate=\"no\"\u003eformat_string\u003c/var\u003e`, `\u003cvar translate=\"no\"\u003edate_expression\u003c/var\u003e` )`\n\n### Parameters\n\n\u003cvar translate=\"no\"\u003eformat_string\u003c/var\u003e - See [Supported Format Elements For DATETIME](https://cloud.google.com/bigquery/docs/reference/standard-sql/datetime_functions#supported_format_elements_for_datetime) for a list of format elements that this function supports.\n\n\u003cvar translate=\"no\"\u003edate_expression\u003c/var\u003e - a Date or a Date \\& Time field or expression.\n\nReturn data type\n----------------\n\nText ^1^\n\nExamples\n--------\n\nNotes\n-----\n\nThis function is not available for compatibility mode date types.\n\n1. Date strings may be interpreted as compatibility mode Date data types. To preserve the specified format, change the field type to Text.\n\nRelated resources\n-----------------\n\n- [Dates and times](/looker/docs/studio/dates-and-times)\n- [Calculated fields](/looker/docs/studio/about-calculated-fields)\n- [Looker Studio function list](/looker/docs/studio/function-list)"]]