Daily Build · Personal utility
Pick 2–4 people and their timezones, see the hours everyone is free to meet — and the best windows today.
Illustrative DST math via the browser’s Intl timezone data. Same-calendar-day work windows (overnight shifts noted in limitations). No data leaves this page.
Tip: load a preset, or add 2–4 teammates. Overlap lights up where everyone’s work window intersects in the reference day.