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A Typescript function to convert an excel serial date to a js date is. public static SerialDateToJSDate(excelSerialDate: number): Date { return new Date(Date.UTC(0, 0, excelSerialDate - 1)); } And to extract the UTC date to use
2 Μαΐ 2022 · function JSDateToExcelDate(inDate) { let date = new Date(inDate); var returnDateTime = 25569.0 + ((date.getTime() - (date.getTimezoneOffset() * 60 * 1000)) / (1000 * 60 * 60 * 24)); return returnDateTime.toString().substr(0,5); }
This article provides code samples that show how to work with dates using the Excel JavaScript API and the Moment-MSDate plug-in. For the complete list of properties and methods that the Range object supports, see the Excel.Range class .
16 Ιουλ 2024 · To convert an Excel date number to a JavaScript Date object, you can use the formula (excelDate - 25569) \* 86400 \* 1000. To format a JavaScript Date object as an Excel date, you can use the toLocaleDateString method with the "es-ES" locale and the options { year: 'numeric', month: '2-digit', day: '2-digit' }.
12 Φεβ 2021 · My dates are formated like YYYY-MM-DDT00:00:00.000Z in my data due to it being fetched from a SQL server. I would like to get them formated as a date in Excel. Using CSV there seems to be a possibility to format dates using the option property. workbook.csv.writeFile (filename, options)
2 Μαΐ 2023 · This article provides code samples that set and get range values, text, or formulas with the Excel JavaScript API. For the complete list of properties and methods that the Range object supports, see Excel.Range class. Note. The Excel JavaScript API doesn't have a "Cell" object or class.
just convert your date to string using .toString() method & your problem will solve. like this: if you are using moment to format date cell.value = moment(cell.value).format("DD MMM YYYY hh:mm A").toString(); & check this also sheet.getCell('A6').value(new Date().toString());
