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Excel 年月日と数値(=シリアル値) |
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Excel では、年月日(および時間)から換算された数値を 「シリアル値」 といい、 |
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1900/1/1 が 数値 "1" と換算されます。 |
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1日 (24時間) が、シリアル値で "1" に換算されます。 |
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シリアル値の 整数部分は「日」、小数点部分は「時刻」を表します。 |
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現在 |
シリアル値 |
1900/1/1から |
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NOW関数 |
2004/2/25 (水)
16時35分29秒 |
38042.691303 |
38042日経過 |
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TODAY関数 |
2004/2/25 (水) |
38042.000000 |
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■ 日付や時刻の表示形式 → シリアル値で表示 (2通りの方法) |
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1) [書式] メニュー →
[セル] |
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→ [セルの書式設定]
ダイアログボックス |
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→
[表示形式] タブ → [分類] → [標準] → [OK] |
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2) Ctrl + Shift +
^ (ハット) |
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※ Ctrl + Shift + ~ (チルダ) のキー操作は、キーボードの配列によって、不可。 |
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年月日と時間 |
シリアル値 |
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年月日 |
シリアル値 |
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年月日 |
シリアル値 |
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1900/1/1 |
0:00 |
1.000 |
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1900/1/1 |
1 |
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1900/1/1 |
1 |
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1900/1/1 |
1:00 |
1.042 |
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1900/1/2 |
2 |
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2000/1/1 |
36,526 |
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1900/1/1 |
2:00 |
1.083 |
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1900/1/3 |
3 |
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3000/1/1 |
401,769 |
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1900/1/1 |
3:00 |
1.125 |
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1900/1/4 |
4 |
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4000/1/1 |
767,011 |
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1900/1/1 |
4:00 |
1.167 |
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1900/1/5 |
5 |
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5000/1/1 |
1,132,254 |
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1900/1/1 |
5:00 |
1.208 |
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1900/1/6 |
6 |
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6000/1/1 |
1,497,496 |
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1900/1/1 |
6:00 |
1.250 |
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1900/1/7 |
7 |
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7000/1/1 |
1,862,739 |
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1900/1/1 |
7:00 |
1.292 |
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1900/1/8 |
8 |
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8000/1/1 |
2,227,981 |
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1900/1/1 |
8:00 |
1.333 |
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1900/1/9 |
9 |
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9000/1/1 |
2,593,224 |
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1900/1/1 |
9:00 |
1.375 |
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1900/1/10 |
10 |
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9999/12/31 |
2,958,465 |
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1900/1/1 |
10:00 |
1.417 |
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1900/1/11 |
11 |
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10000/1/1 |
10000/1/1 |
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1900/1/1 |
11:00 |
1.458 |
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1900/1/12 |
12 |
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1900/1/1 |
12:00 |
1.500 |
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1900/1/13 |
13 |
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Excelで扱える年月日は |
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1900/1/1 |
13:00 |
1.542 |
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1900/1/14 |
14 |
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9999/12/31まで。 |
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1900/1/1 |
14:00 |
1.583 |
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1900/1/15 |
15 |
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10000/1/1は |
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1900/1/1 |
15:00 |
1.625 |
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1900/1/16 |
16 |
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年月日とみなされず、 |
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1900/1/1 |
16:00 |
1.667 |
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1900/1/17 |
17 |
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文字列となります。 |
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1900/1/1 |
17:00 |
1.708 |
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1900/1/18 |
18 |
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1900/1/1 |
18:00 |
1.750 |
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1900/1/19 |
19 |
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1900/1/1 |
19:00 |
1.792 |
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1900/1/20 |
20 |
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1900/1/1 |
20:00 |
1.833 |
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1900/1/21 |
21 |
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1900/1/1 |
21:00 |
1.875 |
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1900/1/22 |
22 |
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1900/1/1 |
22:00 |
1.917 |
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1900/1/23 |
23 |
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1900/1/1 |
23:00 |
1.958 |
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1900/1/24 |
24 |
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1900/1/2 |
0:00 |
2.000 |
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1900/1/25 |
25 |
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1900/1/26 |
26 |
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1900/1/27 |
27 |
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1900/1/28 |
28 |
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1900/1/29 |
29 |
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1900/1/30 |
30 |
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1900/1/31 |
31 |
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年月日 |
シリアル値 |
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1900/1/1 |
1 |
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1900/2/1 |
32 |
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1900/3/1 |
61 |
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1900/4/1 |
92 |
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1900/5/1 |
122 |
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1900/6/1 |
153 |
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1900/7/1 |
183 |
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1900/8/1 |
214 |
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1900/9/1 |
245 |
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1900/10/1 |
275 |
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1900/11/1 |
306 |
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1900/12/1 |
336 |
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1901/1/1 |
367 |
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年月日 |
シリアル値 |
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1900/1/1 |
1 |
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1901/1/1 |
367 |
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1902/1/1 |
732 |
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1903/1/1 |
1,097 |
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1904/1/1 |
1,462 |
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1905/1/1 |
1,828 |
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1906/1/1 |
2,193 |
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1907/1/1 |
2,558 |
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1908/1/1 |
2,923 |
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1909/1/1 |
3,289 |
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1910/1/1 |
3,654 |
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年月日 |
シリアル値 |
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1900/1/1 |
1 |
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1910/1/1 |
3,654 |
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1920/1/1 |
7,306 |
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1930/1/1 |
10,959 |
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1940/1/1 |
14,611 |
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1950/1/1 |
18,264 |
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1960/1/1 |
21,916 |
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1970/1/1 |
25,569 |
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1980/1/1 |
29,221 |
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1990/1/1 |
32,874 |
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2000/1/1 |
36,526 |
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年月日 |
シリアル値 |
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1900/1/1 |
1 |
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2000/1/1 |
36,526 |
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2100/1/1 |
73,051 |
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2200/1/1 |
109,575 |
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2300/1/1 |
146,099 |
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2400/1/1 |
182,623 |
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2500/1/1 |
219,148 |
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2600/1/1 |
255,672 |
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2700/1/1 |
292,196 |
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2800/1/1 |
328,720 |
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2900/1/1 |
365,245 |
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3000/1/1 |
401,769 |
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Excel
2002 ダイヤログボックス、ツールバー その他 |
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Excel
2002 ショートカットキー |
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HOME |
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■ 無断転載禁止 |
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Excel 2002 / 2003 |
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