package main
import (
"fmt"
"time"
)
func main() {
now := time.Now()
currentYear, currentMonth, _ := now.Date()
firstDayOfMonth := time.Date(currentYear, currentMonth, 1, 0, 0, 0, 0, now.Location())
fmt.Println(firstDayOfMonth)
fmt.Println(firstDayOfMonth.Day())
}
/*
run:
2020-08-01 00:00:00 +0000 UTC
1
*/