次回の「システム管理者感謝の日」は？

「システム管理者感謝の日」は毎年やってきます。

「システム管理者感謝の日」はいつなのか？が気になりますよね。

毎年7月最後の金曜日なので、毎年、日にちが少しづつ違っています。

そこで、未来の「システム管理者感謝の日」を調べるスクリプトをpython で作成しました。

これなら、100年先、200年先の「システム管理者感謝の日」を調べることが可能です。

以下がそのスクリプトです。2000年から、500年分の「システム管理者感謝の日」を表示します。

python スクリプト

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import datetime
import locale

# 2000年から、200年分の「システム管理者感謝の日」を調べる。
# 以下のようにして、実行して下さい。
# > python.exe .\checkSAD.py

# d        = datetime.date(1970,  1,  1)  # UNIX歴の最初の日をスタートとする。
d          = datetime.date(2000,  1,  1)  # 2000/1/1を検索のスタート日とする。
LastFriday = datetime.date(2000,  7,  6)  # 最初の「システム管理者感謝の日」
LastDay    = datetime.date(2200, 12, 31)

while LastDay > d:
   if d.month == 7 :   # 7月 で、金曜日であれば、その日を記録する。
      if d.weekday() == 4 :   # 0 : 月曜日, 1 : 火曜日, 2 : 水曜日, 3 : 木曜日, 4 : 金曜日, 5 : 土曜日, 6 : 日曜日
         LastFriday = d
   if d.month == 8 :   # 8月 になった時点で、記録されている日が7月最後の金曜日
      if None != LastFriday:
         print(LastFriday.strftime("%Y-%m-%d %A"))
         LastFriday = None         # この変数を初期化して、次の年の「システム管理者感謝の日」に備える。
   d = d + datetime.timedelta(days=1)

実行方法

スクリプトの実行方法は、以下のとおりです。

> python checkSAD.py

実行結果

2000-07-28 Friday
2001-07-27 Friday
2002-07-26 Friday
2003-07-25 Friday
2004-07-30 Friday
2005-07-29 Friday
2006-07-28 Friday
2007-07-27 Friday
2008-07-25 Friday
2009-07-31 Friday
2010-07-30 Friday
2011-07-29 Friday
2012-07-27 Friday
2013-07-26 Friday
2014-07-25 Friday
2015-07-31 Friday
2016-07-29 Friday
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2018-07-27 Friday
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