Date calculations can overflow with webkit times (microseconds since Jan 1 1601).
This works in go1.17
Created
September 3, 2021 18:42
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convert webkit timestamp to go
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| package main | |
| import ( | |
| "fmt" | |
| "time" | |
| ) | |
| var webkitToUnixDiff int64 // duration between epochs in microseconds | |
| func init() { | |
| var epoch1, epoch2 time.Time | |
| epoch1 = time.Date(1601, 1, 1, 0, 0, 0, 0, time.UTC) | |
| epoch2 = time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC) | |
| webkitToUnixDiff = epoch2.UnixMicro()-epoch1.UnixMicro() // pre-calculate the epoch difference | |
| } | |
| func webkitToTime(wkt int64) time.Time { | |
| return time.UnixMicro(wkt - webkitToUnixDiff) | |
| } | |
| func main() { | |
| fmt.Printf("webkitToUnixDiff=%d, years=%d\n", webkitToUnixDiff, webkitToUnixDiff/1000000/3600/24/365) | |
| fmt.Println(webkitToTime(13260664392205302).In(time.UTC)) // Friday, March 19, 2021 9:53:12 PM (UTC) | |
| } |
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