Get Day Offset within Month

Post Example
Examples in Go
Time.Day in Go
by GoDoc Go fmt fmt.Printf time time.Date time.UTC
Day returns the day of the month specified by t.
package main

import (
	"fmt"
	"time"
)

func main() {
	d := time.Date(2000, 2, 1, 12, 30, 0, 0, time.UTC)
	day := d.Day()

	fmt.Printf("day = %v\n", day)
}