#0埋め  
def addZero(n, b)
    l = 0; c = n; r = ""; b = b - 1
    while c > 9
        c = floor(c / 10); l = l + 1
    end  
    while l < b
        r = r + "0"; l = l + 1
    end  
    r = r + n
    return r
end
#うるう年の判定
def getUruuflg(y)
    return (y % 4) == 0 && (y % 100) != 0 || (y % 400) == 0
end
#経過時間の計算
def deffTime(t)
    mi = 0
    d_li = createArray()
    d_li = splitString("0,31,59,90,120,151,181,212,243,273,304,334,365",",")
    i = 0
    while i < getArrayLength(d_li)
        d_li[i] = toNumber(d_li[i])
        i = i + 1
    end
    j = t[0] - 1
    while j > 1999
        if getUruuflg(j)
            mi = mi + 527040
        else
            mi = mi + 525600
        end
        j = j - 1
    end
    if getUruuflg(t[0]) && (t[1] > 2)
       mi = mi + 1440
    end
    mi = mi + ((d_li[(t[1] - 1)] + (t[2] - 1)) * 1440)
    mi = mi + (t[3] - 1) * 60 + t[4]
    return mi
end
#プレイ時間文字列を作成
def viewPlayingTime()
    t1 = createArray(); t2 = createArray(); r = ""
    t1 = getServerCurrentDate()
    t2 = getServerGameStartDate()
    df = deffTime(t1) - deffTime(t2)
    r = r + floor(df / 60) + ":" + addZero((df % 60),2)
    return r
end

#ゲーム起動からのプレイ時間を表示
speak("現在のプレイ時間 " + viewPlayingTime())