nextDayStart関数
リファレンスの説明と例は英語です。見出しと目次は日本語です。
The first moment of the day after the one at falls on, in that zone: when
a daily seed next changes. Found by searching the next 27 hours for the
millisecond the date turns, so daylight saving and half-hour zones need no
special case.
インポート
import { nextDayStart } from "@johnmorrisdotca/tane";定義
function nextDayStart(at: Date, timeZone?: string): Date引数
| 名前 | 型 | 説明 |
|---|---|---|
at | Date | The moment to read as a calendar day. |
timeZone (省略可) | string | The IANA time-zone name; UTC when omitted. |
戻り値
Date
The first moment of the day after the one at falls on, in that zone: when a daily seed next changes. Found by searching the next 27 hours for the millisecond the date turns, so daylight saving and half-hour zones need no special case.
例
import { nextDayStart } from "@johnmorrisdotca/tane";
console.log(nextDayStart(new Date("2026-10-11T12:00:00Z"), "UTC").toISOString());2026-10-12T00:00:00.000Z出力（このページを作ったときに実行した結果）
この日本語は、まだ日本語を母語とする方の確認を受けていません。訂正を歓迎します。