Time zones
Flip world clock with seconds
Pin cities, compare time zones with seconds, plan across daylight saving, and share the setup with a link.
Type a city, country, code such as JST, or offset such as +5:30. Enter pins, Shift plus Enter sets primary.
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Pinned Cities & Zones 0 / 12
Tap any pin card to set as primary clockDay planner
Each row shows a city across the primary day. Drag the scrubber to preview another time.
Pin cities and compare time zones
Search any city, country, zone code, or UTC offset to pin it as a card with live flip digits and seconds. Each card shows the weekday, date, UTC offset, and distance from your time, plus a daylight saving badge while a zone observes summer time. Tap any card to promote it to the large primary clock. Up to 12 cities stay pinned, and the order can be rearranged for travel weeks. Cards also flag business hours so workday overlap is visible without opening the planner.
Day planner for meetings
Drag the scrubber across the primary day to preview every pinned city at that hour. Business hours highlight per row, overlapping work hours stand out, and a now marker shows the live position. This makes the world clock with seconds practical for scheduling: find an hour inside every workday, then copy the times or share the link with attendees. Early and late hours stay visible too, so edge cases never hide.
Daylight saving without surprises
All times derive from live IANA zone data in the browser, so spring forward and fall back transitions apply on their own. Offsets and DST badges update on transition days with no manual tables. The primary clock, cards, and planner read the same source, so they never disagree with each other around a changeover weekend, even for zones with unusual half hour offsets.
Share the setup
Copy link encodes the primary zone and every pin into the address. Recipients open the same cities on their own devices with no account on either side. Bookmark the link for recurring trips or paste it into a calendar invite so the whole team reads the same times.
Remote teams and travel
Distributed teams pin each member city and check the planner before sending invites, which cuts the usual back and forth over offsets. Frequent travelers pin home and destination together to see both times side by side during a trip. Recruiters schedule interviews across continents by finding overlapping business hours first. Since zones update from the device database, summer time changes never need manual correction.
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FAQ
How do I add a city?
Type a city, country, code such as JST, or offset such as +5:30 into the finder. Matching cities appear in a list with pin and set primary actions. Press Enter to pin the highlighted match, or Shift plus Enter to make it the primary clock. Popular country chips below the finder add common zones in one click.
Does it handle daylight saving time?
Yes, times come from live IANA time zone data in your browser, so daylight saving changes apply automatically. Cards show a DST badge while a zone observes summer time, and the UTC offset updates on transition days. The primary clock, pinned cards, and day planner all read the same source, so they always agree with each other.
How do I share my list of cities?
Click Copy link in the dock or press L. The primary zone and every pinned city are encoded into the address, so anyone opening the link sees your exact setup on their own device. You can bookmark the link for yourself or send it to teammates before a trip. No account is needed on either side.
How do I find a meeting time across time zones?
Pin each participant city, then drag the day planner scrubber across the primary day. Every row shows the matching local hour for that city, with business hours highlighted and overlapping work hours marked. The now marker shows the current position for reference. Copy the times once you find an hour that falls inside every workday.