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var myDate = new Date(); var epoch = myDate.getTime(); //1318023197289 number of ms since epoch var unixEpoch = Math.round(epoch/1000) epoch back to a Date object?
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Because our Epoch time is specified in milliseconds, we may convert it to seconds. To convert milliseconds to seconds, first, divide the millisecond count by 1000. Later, we use DATEADD() to add the number of seconds since the epoch, which is January 1, 1970 and cast the result to retrieve the date since the epoch.
Use the Date() constructor to convert a string to a Date object, e.g. const date = new Date('2022-09-24') . The Date() constructor takes a valid date string as a parameter and returns a Date object. Copied! We used the Date() constructor to convert a string to a Date object.
=(A1 / 86400) + 25569 Format the result cell for date/time, the result will be in GMT time (A1 is the cell with the epoch number).
var date = new Date(1318023197289); And, since unixEpoch is simply epoch / 1000, you can similarly multiply the argument in the constructor by 1000.
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