「Unity/Csharp/日時」の版間の差分
提供: 初心者エンジニアの簡易メモ
(→タイムゾーン付き日付) |
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| (同じ利用者による、間の12版が非表示) | |||
| 行1: | 行1: | ||
| + | |||
| + | ==日時表示== | ||
| + | DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); // HHにすると24時間表記となる | ||
| + | 2019-02-28 22:57:20 | ||
| + | DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss"); // hhにすると12時間表記となる | ||
| + | 2019-02-28 10:57:20 | ||
| + | |||
| + | using System; | ||
| + | string GetYmdHm() { | ||
| + | string h = ("0" + System.DateTime.Now.Hour.ToString ()); | ||
| + | string i = ("0" + System.DateTime.Now.Minute.ToString ()); | ||
| + | return System.DateTime.Now.Year.ToString() + "-" + | ||
| + | System.DateTime.Now.Month.ToString() + "-" + | ||
| + | System.DateTime.Now.Day.ToString() + " " + | ||
| + | h.Substring(h.Length - 2, 2) + ":" + | ||
| + | i.Substring(i.Length - 2, 2); | ||
| + | } | ||
| + | |||
| + | ==日付入力== | ||
| + | var dt = new DateTime( 2022, 1, 26, 10, 20, 30 ); | ||
| + | Debug.Log(dt.ToString()); // 1/26/2022 10:20:30 PM | ||
| + | |||
==時間表示== | ==時間表示== | ||
using System; | using System; | ||
| 行4: | 行26: | ||
> 16:12:10 | > 16:12:10 | ||
| − | 日付フォーマット一覧 | + | ==日付フォーマット一覧== |
https://msdn.microsoft.com/ja-jp/library/k494fzbf(v=VS.80).aspx | https://msdn.microsoft.com/ja-jp/library/k494fzbf(v=VS.80).aspx | ||
| + | d :08/17/2000 | ||
| + | D :Thursday, August 17, 2000 | ||
| + | f :Thursday, August 17, 2000 16:32 | ||
| + | F :Thursday, August 17, 2000 16:32:32 | ||
| + | g :08/17/2000 16:32 | ||
| + | G :08/17/2000 16:32:32 | ||
| + | m :August 17 | ||
| + | r :Thu, 17 Aug 2000 23:32:32 GMT | ||
| + | s :2000-08-17T16:32:32 | ||
| + | t :16:32 | ||
| + | T :16:32:32 | ||
| + | u :2000-08-17 23:32:32Z | ||
| + | U :Thursday, August 17, 2000 23:32:32 | ||
| + | y :August, 2000 | ||
| + | dddd, MMMM dd yyyy :Thursday, August 17 2000 | ||
| + | ddd, MMM d "'"yy :Thu, Aug 17 '00 | ||
| + | dddd, MMMM dd :Thursday, August 17 | ||
| + | M/yy :8/00 | ||
| + | dd-MM-yy :17-08-00 | ||
| + | |||
| + | ==unixtimeを取得== | ||
| + | var now = DateTime.UtcNow; | ||
| + | long unixtime = (long)(now - new DateTime(1970, 1, 1)).TotalSeconds; | ||
| + | |||
| + | ==unixtimeとDatetime変換== | ||
| + | https://gist.github.com/YuukiTsuchida/06ca3a1f0baf755651b0#file-unixtime | ||
| + | |||
| + | ==秒を時分秒へ== | ||
| + | <pre> | ||
| + | int sec = 3666; | ||
| + | string his = string.Format("{0:00}:{1:00}:{2:00}", (sec / 60 / 60), (sec / 60) % 60, sec % 60); | ||
| + | Debug.Log("his=" + his); // 01:01:06 | ||
| + | </pre> | ||
| + | 参考：https://cms.shise.net/2014/10/sec-num-format/ | ||
| + | ==差分秒数== | ||
| + | 12:30ぐらいだったとき、300秒と出る | ||
| + | <pre> | ||
| + | static DateTime targetDateTime = new DateTime(2022, 1, 26, 12, 35, 0); | ||
| + | TimeSpan ts = targetDateTime - DateTime.Now; | ||
| + | Debug.Log("diff sec=" + ts.TotalSeconds); | ||
| + | </pre> | ||
| − | + | ==タイムゾーン付き日付== | |
| − | + | <pre> | |
| − | + | year = 2022; | |
| − | + | month = 2; | |
| − | + | day = 28; | |
| − | + | hour = 12; | |
| − | + | minute = 59; | |
| − | + | second = 30; | |
| − | + | var dateTime = new DateTimeOffset( | |
| − | + | year, | |
| − | + | month, | |
| − | + | day, | |
| − | + | hour, | |
| − | + | minute, | |
| − | + | second, | |
| − | + | new TimeSpan(9, 0, 0) | |
| − | + | ); | |
| − | + | Debug.Log(dateTime.ToString("yyyy-MM-dd HH:mm:ss")); // 2022/2/28 12:59:30 | |
| − | + | // Utcに変換 | |
| + | dateTime = dateTime.ToUniversalTime(); | ||
| + | Debug.Log(dateTime.ToString("yyyy-MM-dd HH:mm:ss")); // 2022/2/28 3:59:30 | ||
| + | // 現在と比較 | ||
| + | TimeSpan ts = dateTime - DateTime.UtcNow; // 過ぎてたら、マイナスになる | ||
| + | // 現在との秒数差分 | ||
| + | Debug.Log(ts.TotalSeconds); 16.383 | ||
| + | </pre> | ||
2022年2月9日 (水) 13:22時点における最新版
目次
日時表示
DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); // HHにすると24時間表記となる
2019-02-28 22:57:20
DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss"); // hhにすると12時間表記となる
2019-02-28 10:57:20
using System;
string GetYmdHm() {
string h = ("0" + System.DateTime.Now.Hour.ToString ());
string i = ("0" + System.DateTime.Now.Minute.ToString ());
return System.DateTime.Now.Year.ToString() + "-" +
System.DateTime.Now.Month.ToString() + "-" +
System.DateTime.Now.Day.ToString() + " " +
h.Substring(h.Length - 2, 2) + ":" +
i.Substring(i.Length - 2, 2);
}
日付入力
var dt = new DateTime( 2022, 1, 26, 10, 20, 30 ); Debug.Log(dt.ToString()); // 1/26/2022 10:20:30 PM
時間表示
using System;
DateTime.Now.ToString("T")
> 16:12:10
日付フォーマット一覧
https://msdn.microsoft.com/ja-jp/library/k494fzbf(v=VS.80).aspx
d :08/17/2000 D :Thursday, August 17, 2000 f :Thursday, August 17, 2000 16:32 F :Thursday, August 17, 2000 16:32:32 g :08/17/2000 16:32 G :08/17/2000 16:32:32 m :August 17 r :Thu, 17 Aug 2000 23:32:32 GMT s :2000-08-17T16:32:32 t :16:32 T :16:32:32 u :2000-08-17 23:32:32Z U :Thursday, August 17, 2000 23:32:32 y :August, 2000 dddd, MMMM dd yyyy :Thursday, August 17 2000 ddd, MMM d "'"yy :Thu, Aug 17 '00 dddd, MMMM dd :Thursday, August 17 M/yy :8/00 dd-MM-yy :17-08-00
unixtimeを取得
var now = DateTime.UtcNow; long unixtime = (long)(now - new DateTime(1970, 1, 1)).TotalSeconds;
unixtimeとDatetime変換
https://gist.github.com/YuukiTsuchida/06ca3a1f0baf755651b0#file-unixtime
秒を時分秒へ
int sec = 3666;
string his = string.Format("{0:00}:{1:00}:{2:00}", (sec / 60 / 60), (sec / 60) % 60, sec % 60);
Debug.Log("his=" + his); // 01:01:06
参考：https://cms.shise.net/2014/10/sec-num-format/
差分秒数
12:30ぐらいだったとき、300秒と出る
static DateTime targetDateTime = new DateTime(2022, 1, 26, 12, 35, 0);
TimeSpan ts = targetDateTime - DateTime.Now;
Debug.Log("diff sec=" + ts.TotalSeconds);
タイムゾーン付き日付
year = 2022;
month = 2;
day = 28;
hour = 12;
minute = 59;
second = 30;
var dateTime = new DateTimeOffset(
year,
month,
day,
hour,
minute,
second,
new TimeSpan(9, 0, 0)
);
Debug.Log(dateTime.ToString("yyyy-MM-dd HH:mm:ss")); // 2022/2/28 12:59:30
// Utcに変換
dateTime = dateTime.ToUniversalTime();
Debug.Log(dateTime.ToString("yyyy-MM-dd HH:mm:ss")); // 2022/2/28 3:59:30
// 現在と比較
TimeSpan ts = dateTime - DateTime.UtcNow; // 過ぎてたら、マイナスになる
// 現在との秒数差分
Debug.Log(ts.TotalSeconds); 16.383
