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办公小妙招③|高效搞定 Excel 日期和时间型数据

  • 2026-03-25 02:24:54
办公小妙招③|高效搞定 Excel 日期和时间型数据

一、知识要点

在 Excel 中,日期和时间本质是特殊数值,称为“序列值”,取值范围:0~2958465.9999。

对应时间:1900-1-00 00:00 ~ 9999-12-31 23:59

整数部分 = 日期,小数部分 = 时间

数值为负或超出范围,设置为日期格式会显示错误:########

二、日期型数据的输入和数字格式

1.日期型数据的输入和显示

在「常规」格式下可直接输入:

1.1常用分隔符:

  • 短横线(-):2026-1-8

  • 斜线(/):2026/1/8

  • 中文(年、月、日):2026年1月8日

1.2.省略年份输入:1-8、1/8、1月8日,系统自动补当前年份。

注意:输入“-”分隔符在确认输入后也以斜线“/”显示。这是因为Excel显示的日期格式跟随Windows系统的日期格式,当Windows系统的日期格式为“2026/1/8”时,那么在Excel中输入“2026-1-8”也会以“2026/1/8”的格式显示,反之亦然,但是会在更改Windows日期格式后,自动更新转换。

2.设置日期数字格式

用户还可以通过更改单元格的数字格式,满足更多样化的显示需求。
2.1选中单元格区域 → 按 Ctrl+1组合键
2.2打开「设置单元格格式」→「数字」→「日期」
2.3选择需要的类型,确定即可,示例“2026年1月8日”, “2026/1/8”。
3.设置自定义日期格式
如果用户有以“2018-08-01”形式显示日期的需求,即在月和日前加前导0,应该怎么做呢?
3.1选中单元格 → 按 Ctrl+1组合键
3.2「数字」→「自定义」
3.3在类型框输入:yyyy-mm-dd 或 e-mm-dd,确定后会自动补前导 “0
三、时间型数据的输入和数字格式
1. 时间的输入
输入时间时,以冒号 :作为时、分、秒的分隔符。示例:输入 12 点 30 分 58 秒,直接输入:12:30:58.
2. 日期 + 时间的输入
先输入日期,输入一个空格,再输入时间。示例:2026-01-08 12:30:58. 
3.设置时间的数字格式
3.1选择单元格区域(如 A2:A8) Ctrl+1 组合键打开「设置单元格格式」
切换到「数字」选项卡 → 选择「时间」
3.2在「类型」中选择需要的格式,如 1:30:55 PM,确定即可。
4. 快速输入当前日期和时间
4.1快速输入当前日期:Ctrl + ;
4.2快速输入当前时间:Ctrl + Shift + ;
4.3快速输入日期 + 时间:先按 Ctrl + ;,空格,再按 Ctrl + Shift + ;

下一篇,我将为大家带来Excel数据处理与分析之篇章“日期和时间型数据”,请大家和我一起学习打卡吧!

往期回顾:

办公小妙招①|高效搞定 Excel 数据输入

办公小妙招②|高效搞定 Excel 数值型数据输入

上班族必看|5Why分析法,解救工作内耗与育儿焦虑!

育娃助好物③|费曼学习法:1小时顶别人10小时的高效秘诀,拿走不谢!

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  1. CONNECT:[ UseTime:0.000925s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000931s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000342s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000297s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000508s ]
  6. SELECT * FROM `set` [ RunTime:0.000190s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000623s ]
  8. SELECT * FROM `article` WHERE `id` = 477809 LIMIT 1 [ RunTime:0.000652s ]
  9. UPDATE `article` SET `lasttime` = 1775439081 WHERE `id` = 477809 [ RunTime:0.004518s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000245s ]
  11. SELECT * FROM `article` WHERE `id` < 477809 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000450s ]
  12. SELECT * FROM `article` WHERE `id` > 477809 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000530s ]
  13. SELECT * FROM `article` WHERE `id` < 477809 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000744s ]
  14. SELECT * FROM `article` WHERE `id` < 477809 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.007848s ]
  15. SELECT * FROM `article` WHERE `id` < 477809 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000768s ]
0.161127s