以下是从当前时间减去指定的日期或时间，与增加时的方法相同，AddDate用于计算日期，Add用于计算时间，只不过减去时用的是负数。

示例代码：

package main
 
import (
    "fmt"
    "time"
)
 
func main() {
    now := time.Now()
    fmt.Println("Today:", now)
     
    after := now.AddDate(-1, 0, 0)
    fmt.Println("Subtract 1 Year:", after)
     
    after = now.AddDate(0, -1, 0)
    fmt.Println("Subtract 1 Month:", after)
     
    after = now.AddDate(0, 0, -1)
    fmt.Println("Subtract 1 Day:", after)
     
    after = now.AddDate(-2, -2, -5)
    fmt.Println("Subtract multiple values:", after)
     
    after = now.Add(-10*time.Minute)
    fmt.Println("Subtract 10 Minutes:", after)
     
    after = now.Add(-10*time.Second)
    fmt.Println("Subtract 10 Second:", after)
     
    after = now.Add(-10*time.Hour)
    fmt.Println("Subtract 10 Hour:", after)
     
    after = now.Add(-10*time.Millisecond)
    fmt.Println("Subtract 10 Millisecond:", after)
     
    after = now.Add(-10*time.Microsecond)
    fmt.Println("Subtract 10 Microsecond:", after)
     
    after = now.Add(-10*time.Nanosecond)
    fmt.Println("Subtract 10 Nanosecond:", after)
}

输出：

Today: 2017-08-27 12:21:17.8379942 +0530 IST
Subtract 1 Year: 2016-08-27 12:21:17.8379942 +0530 IST
Subtract 1 Month: 2017-07-27 12:21:17.8379942 +0530 IST
Subtract 1 Day: 2017-08-26 12:21:17.8379942 +0530 IST
Subtract multiple values: 2015-06-22 12:21:17.8379942 +0530 IST
Subtract 10 Minutes: 2017-08-27 12:11:17.8379942 +0530 IST
Subtract 10 Second: 2017-08-27 12:21:07.8379942 +0530 IST
Subtract 10 Hour: 2017-08-27 02:21:17.8379942 +0530 IST
Subtract 10 Millisecond: 2017-08-27 12:21:17.8279942 +0530 IST
Subtract 10 Microsecond: 2017-08-27 12:21:17.8379842 +0530 IST
Subtract 10 Nanosecond: 2017-08-27 12:21:17.83799419 +0530 IST