Convert times across global cities, compare daylight saving (DST) shifts, scrub through 24-hour timelines, and find the optimal meeting overlap for distributed teams.
Find the ideal meeting time where all participants are in active business hours (or reasonable shoulder hours) across all your configured time zones.
Compare two specific cities hour-by-hour side-by-side with color-coded day, night, and business hour highlights.
| City A Time | City B Time | Status / Overlap |
|---|
Operating in a distributed remote-first world means collaborating across multiple time zones across North America, Europe, Asia, and Australasia. Coordinating meetings, product releases, webinars, and on-call rotations requires an accurate grasp of timezone offsets and Daylight Saving Time (DST) changes.
UTC (Coordinated Universal Time) is the primary international time standard maintained using highly accurate atomic clocks. All global time zones are specified as positive or negative offsets from UTC (e.g., UTC+05:30 for India Standard Time, UTC-05:00 for Eastern Standard Time). Unlike local civil time, UTC never observes daylight saving shifts.
In many regions (such as the US, Canada, UK, and European Union), clocks advance by one hour during spring and fall back in autumn. Not all countries switch on the same weekend. For instance, the US typically begins DST on the second Sunday in March, while Europe changes on the last Sunday in March. This creates a two-week window where normal time differences shift by 1 full hour. Our converter handles all IANA timezone rules to ensure 100% accuracy.
This tool uses modern browser-native Internationalization APIs (ECMAScript `Intl.DateTimeFormat`) backed by the official IANA (Olson) Time Zone Database, ensuring pinpoint precision for historical and future dates.
Yes! Click the "Copy Meeting Invite" button on the Meeting Planner tab to get a neatly formatted multi-timezone breakdown complete with dates, time formats, and offsets ready to paste into Slack, Microsoft Teams, or calendar invites.
Several regions use non-hourly offsets, including India Standard Time (UTC+05:30), Iran (UTC+03:30), Adelaide & Darwin Australia (UTC+09:30), Newfoundland Canada (UTC-03:30), and Nepal (UTC+05:45). Our converter seamlessly handles all half-hour and quarter-hour offsets.
Yes, clicking the "Share Link" button generates a custom URL with all your selected timezones and reference time encoded in the query parameters, making it effortless to bookmark or share with your colleagues.