# 日付関数と時間関数

次のファンクションを使えば、日付、時刻、日付時刻で演算を実行できます。

### このセクション内

* [addToDateTime](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/addtodatetime-function)
* [extractFromDateTime](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/extractfromdatetime-function)
* [formatDateTime](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/formatdatetime-function)
* [getCurrentDate](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/getcurrentdate-function)
* [getCurrentDateTime](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/getcurrentdatetime-function)
* [getCurrentTime](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/getcurrenttime-function)
* [isToday](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/istoday-function)
* [isTomorrow](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/istomorrow-function)
* [isYesterday](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/isyesterday-function)
* [makeDateTime](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/makedatetime-function)
* [parseDateTime](https://help.qlik.com/talend/ja-JP/data-shaping-language-reference-guide/8.0/parsedatetime-function)