How to convert excel date to unix time stamp in excel

Download 1M+ code from https://codegive.com/f3bb270 converting excel dates to unix timestamps in excel: a comprehensive guide excel stores dates as serial numbers, representing the number of days since january 0, 1900 (or january 1, 1904, depending on the excel system setting). unix timestamps, on the other hand, represent the number of seconds that have elapsed since january 1, 1970, at 00:00:00 coordinated universal time (utc). converting between these two systems requires understanding their underlying representations and applying appropriate calculations. this tutorial will cover several methods for converting excel dates to unix timestamps in excel, ranging from formula-based approaches to vba scripting. we'll discuss the pros and cons of each approach, address common pitfalls, and provide code examples for easy implementation. *understanding the core concepts* *excel date serial numbers:* excel stores dates as floating-point numbers. the integer part represents the number of days since the base date (jan 0, 1900 or jan 1, 1904), and the fractional part represents the time of day. for instance, the excel date serial number `45000` represents approximately february 10, 2023. the excel function `date(year, month, day)` returns the serial number for a given date. *unix timestamps:* a unix timestamp is a signed integer representing the number of seconds elapsed since the unix epoch, which is january 1, 1970, at 00:00:00 utc. this is a standard way of representing dates and times in many programming languages and systems. *the conversion logic:* to convert an excel date to a unix timestamp, you need to: 1. determine the number of days between the excel epoch (1900-01-00 or 1904-01-01) and the unix epoch (1970-01-01). 2. subtract this difference from the excel date serial number. 3. multiply the result by the number of seconds in a day (86400). 4. account for any time zone differences to get the unix timestamp in utc. *methods for conversion* here are a few methods you can u ... #ExcelTips #UnixTimestamp #nodejs convert excel date unix timestamp excel date to unix time unix timestamp excel conversion excel date format unix time in excel excel formulas for unix timestamp convert dates in excel excel date functions timestamp conversion excel excel date calculations unix time format excel date manipulation epoch time excel excel date to epoch convert to unix time excel