Q:

How to get the number of seconds since the epoch using syscall in Golang?

belongs to collection: Golang syscall Package Programs

YasminRadwan26
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2022-07-05
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In the Go programming language, to get the number of seconds since the epoch using syscall – we use the Gettimeofday() function of the syscall package. The Gettimeofday() function returns the number of seconds and microseconds since the epoch.

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YasminRadwan26
2022-07-05
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Syntax:

func Gettimeofday(tv *Timeval) (err error)

Consider the below example demonstrating how to get the number of seconds since the epoch using syscall in Golang?

package main

import (
	"fmt"
	"syscall"
	"time"
)

func main() {
	var TimeValue syscall.Timeval
	if err := syscall.Gettimeofday(&TimeValue); err != nil {
		fmt.Printf("Error: %v", err)
	}

	// Printing the seconds & micro seconds
	fmt.Println("Seconds: ", TimeValue.Sec)
	fmt.Println("Micro:   ", TimeValue.Usec)

	// Calculate & Print the Current Date & Time
	// Using the seconds & micro seconds
	fmt.Println(time.Unix(TimeValue.Sec, TimeValue.Usec))
}

Output

Seconds:  1636704620
Micro:    779023
2021-11-12 08:10:20.000779023 +0000 UTC

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