How to convert Unix timestamp to Datetime in Xojo

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    Var unixTimestamp As Double = 1090555421

    // Convert Unix timestamp to DateTime
    Var date As DateTime = DateTime.FromSecondsSince1970(unixTimestamp)
    
    // Format the date to a readable string
    Var formattedDate As String = date.ToString("yyyy-MM-dd HH:mm:ss")
    
    // Output the formatted date
    System.DebugLog("Converted Date: " + formattedDate)

Output:

Converted Date 2004-07-23 04:03:41

Example only. There may be multiple ways to perform this operation.

Code Explanation

To convert a Unix timestamp to date in Xojo DateTime.FromSecondsSince1970(unixTimestamp) converts the Unix timestamp 1090555421 into a DateTime object. The ToString("yyyy-MM-dd HH:mm:ss") method is used to format the DateTime object as a readable string with year, month, day, hour, minute, and second. Subsequently the result 2004-07-23 04:03:41 is output to the debug log.

Convert Date to Unix timestamp in Xojo

Other useful Xojo date functions (DateTime API)

Function	Description	Example
`DateTime.FromSecondsSince1970()`	Creates a `DateTime` object from a Unix timestamp (seconds since 1970-01-01).	`DateTime.FromSecondsSince1970(1514764800)` returns 2018-01-01 00:00:00
`DateTime.SecondsFrom1970`	Returns the Unix timestamp for a given `DateTime` object.	`date.SecondsFrom1970` returns 1531656645
`DateTime.Now`	Returns the current date and time as a `DateTime` object.	`DateTime.Now` returns the current date and time.
`DateTime.ToString()`	Formats a `DateTime` object as a string according to a specified format.	`date.ToString("yyyy-MM-dd HH:mm:ss")` returns 2018-07-15 12:30:45
`New DateTime()`	Creates a `DateTime` object with the specified date and time.	`New DateTime(2018, 7, 15, 12, 30, 45)` creates the 2018-07-15 12:30:45 date.

Current Unix Timestamp SECONDS SINCE JAN 01 1970

Current UTC Time

2025-08-20