Code RoomDaylight saving time shifts meeting
MediumPrep Room Coding #1969

Daylight saving time shifts meeting

Code reviewCode quality & reviewMid–Senior~18 min

Review this JavaScript that books a recurring 9am New York meeting on each given date and stores the UTC instant.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 18 min
Mark a line and say what kind of problem it is.0 findings
1const NY_OFFSET = '-05:00'; // New York is UTC-5
2 
3function nineAmUtc(dateStr) {
4 // dateStr like '2026-01-15'
5 const iso = `${dateStr}T09:00:00${NY_OFFSET}`;
6 return new Date(iso).toISOString();
7}
8 
9function scheduleSeries(dates) {
10 return dates.map((d) => ({
11 date: d,
12 startUtc: nineAmUtc(d),
13 }));
14}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.