Function utcFirst

docs/app/js/sanddance-app.js:111271–111274

(y)

    return (0, _d3Time.utcWeek).count(y - 1, d);
}
function utcFirst(y) {
    t0.setTime(Date.UTC(y, 0, 1));
    return t0.getUTCDay();
}
function utcDate(y, m, d, H, M, S, L) {
    if (0 <= y && y < 100) {
        const date = new Date(Date.UTC(-1, m, d, H, M, S, L));