Question

How to subtract N hour to current date in Go

Answer 1

package main
    
import (
    "fmt"
    "time"
)
    
func main() {
    now := time.Now()
    fmt.Println(now)
      
    var N int = 3
      
    // func (t Time) Add(d Duration) Time
    dt := now.Add(-time.Duration(N) * time.Hour)
    fmt.Println(dt)
}
  
  
  
/*
run:
  
2020-08-14 07:40:49.314989533 +0000 UTC m=+0.000078998
2020-08-14 04:40:49.314989533 +0000 UTC m=-10799.999921002
  
*/

 

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