World clock, meeting planner, countdowns, a stopwatch, alarms, and calendar utilities.
Compare times across cities with a live drag-to-preview slider.
Start, stop, and record lap times with split totals.
Find working hours that overlap across every city you add.
Track multiple events, with recurring and shareable countdowns.
One or more browser alarms, with daily or custom-day repeats.
Count working days between dates, or add N business days.
ISO week number, day of year, and days remaining.
How much of the year, month, week, and day is complete.
The moon's phase and illumination for any date.
Coordinating across time zones is the one part of remote work no one enjoys doing by hand. These tools handle the actual math — showing several cities at once, highlighting the hours that genuinely overlap with everyone's working day, and counting down to whatever comes next — so you can share a link instead of a paragraph of "so that's 9am my time, which is...".
Yes — times are computed for the specific date you're viewing using each city's real timezone rules, so results stay correct across a DST change rather than using a fixed offset.
Yes — both the World Clock and Countdown Timer have a share option that encodes your selection into a link, so opening it shows the same view without needing an account on either end.
Yes — they're stored only in your own browser's local storage, not on a server, unless you explicitly generate and share a link.
