Function pad

host/time/src/main/fmt.js:8–8

(n, w = 2)

const MONTHS_ABBR = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];

const pad = (n, w = 2) => String(n).padStart(w, "0");
// CPython tm_wday is Mon=0..Sun=6; JS getDay is Sun=0. Convert both ways.
const cpyWday = (d) => (d + 6) % 7;
const jsDay = (cpy) => (cpy + 1) % 7;