Go Time

by Online Tutorials Library July 14, 2022

Go Time

Go has very good support for the time manipulations. Unix epoch time is used as reference for time manipulations.

we can built a time object by using Date method provided in the time package. The package contains methods like year(), month(), day(), location() etc.

We invoke these methods by using time object.

Go Time Example

 package main  import “fmt” import “time”  func main() { p := fmt.Println  present := time.Now()// current time p(present)  DOB := time.Date(1993, 02, 28, 9,04,39,213 ,time.Local) fmt.Println(DOB)  fmt.Println(DOB.Year()) fmt.Println(DOB.Month()) fmt.Println(DOB.Day()) fmt.Println(DOB.Hour()) fmt.Println(DOB.Minute()) fmt.Println(DOB.Second()) fmt.Println(DOB.Nanosecond()) fmt.Println(DOB.Location())  fmt.Println(DOB.Weekday())  fmt.Println(DOB.Before(present)) fmt.Println(DOB.After(present)) fmt.Println(DOB.Equal(present))  diff := present.Sub(DOB) fmt.Println(diff) fmt.Println(diff.Hours()) fmt.Println(diff.Minutes()) fmt.Println(diff.Seconds()) fmt.Println(diff.Nanoseconds()) fmt.Println(DOB.Add(diff)) fmt.Println(DOB.Add(-diff)) } 

Output:

2017-10-04 17:10:13.474931994 +0530 IST m=+0.000334969 1993-02-28 09:04:39.000000213 +0530 IST 1993 February 28 9 4 39 213 Local Sunday true false false 215624h5m34.474931781s 215624.09290970326 1.2937445574582197e+07 7.762467344749318e+08 776246734474931781 2017-10-04 17:10:13.474931994 +0530 IST 1968-07-25 00:59:04.525068432 +0530 IST  Process finished with exit code 0

Go Time Example 2

 package main import ( “fmt” “time” ) func main() { present := time.Now() fmt.Println(“Today : “, present.Format(“Mon, Jan 2, 2006 at 3:04pm”)) someTime := time.Date(2017, time.March, 30, 11, 30, 55, 123456, time.Local) // compare time with time.Equal() sameTime := someTime.Equal(present) fmt.Println(“someTime equals to now ? : “, sameTime) // calculate the time different between today // and long time ago diff := present.Sub(someTime) // convert diff to days days := int(diff.Hours() / 24) fmt.Printf(“30th March 2017 was %d days ago n”, days) } 

Output:

Today :  Wed, Oct 4, 2017 at 5:15pm someTime equals to now ? :  false 30th March 2017 was 188 days ago

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Go Time

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Go Time Example

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