Broken timezone on Ubuntu 18.04, Golang 1.10.3

timezone-conv.go

package main

import (
    "fmt"
    "os"
    "time"
)

var format = "2006/01/02 15:04:05"

func main() {
    dateStr := os.Args[1]
    timeStr := os.Args[2]

    t, err := time.Parse(format, fmt.Sprintf("%s %s", dateStr, timeStr))
    if err != nil {
        panic(err)
    }
    asiaTokyo, err := time.LoadLocation("Asia/Tokyo")
    if err != nil {
        panic(err)
    }

    fmt.Println("default:", t.Format(time.RFC3339Nano))
    fmt.Println("Asia/Tokyo", t.In(asiaTokyo).Format(time.RFC3339Nano))
}

/**
% go run main.go 1901/12/13 20:45:52
default: 1901-12-13T20:45:52Z
Asia/Tokyo 1901-12-14T05:45:52+09:00

% go run main.go 1901/12/13 20:45:51
default: 1901-12-13T20:45:51Z
Asia/Tokyo 1901-12-14T06:04:50+09:18
**/