On this page
@std/datetime
Unstable
This @std package is experimental and its API may change without a major version bump.
Overview Jump to heading
Utilities for dealing with Date objects.
import { dayOfYear, isLeap, difference, HOUR, MINUTE, SECOND } from "@std/datetime";
import { assertEquals } from "@std/assert";
assertEquals(dayOfYear(new Date("2019-03-11T03:24:00")), 70);
assertEquals(isLeap(1970), false);
const date0 = new Date("2018-05-14");
const date1 = new Date("2020-05-13");
assertEquals(difference(date0, date1).years, 1);
assertEquals(HOUR / MINUTE, 60);
assertEquals(MINUTE / SECOND, 60);
Add to your project Jump to heading
deno add jsr:@std/datetime