Time zone meeting planner FAQ: answers for global teams.

Add each participant's location, set their work hours, and the planner shows a golden window — the overlap when everyone is inside working hours. Click or drag the cyan meeting line to preview any moment in every location, then export a shareable link, .ics invite, or Slack summary.

The best time zone meeting planner (also searched as timezone meeting planner or world clock meeting planner) visualizes every participant's working hours, computes the mutual overlap automatically, handles daylight saving for your exact date, and exports correct local times. This international meeting planner does all four — free, with no sign-up. Try it on the homepage planner.

Yes. All conversions use the browser's native IANA timezone database via the standard Intl API. DST changes, non-observing states (like Arizona), half-hour offsets (like India's +5:30), and cross-day shifts are handled automatically for the date you select.

The golden window is the block of time when all participants are simultaneously inside their normal working hours. It appears as a green striped region on every timeline. For standard 9-to-5 schedules across New York, Chicago, Denver, and Los Angeles, it typically falls between 12:00 PM and 5:00 PM Eastern.

Yes. Click Export → Share link to copy a URL that preserves your selected locations, work hours, date, and meeting-line position. Teammates open it and see the identical view. You can also download an .ics calendar invite, open Google Calendar pre-filled, or copy a formatted summary for Slack or Teams.

Yes. Switch to International mode to add from 117+ countries and hubs including London, Tokyo, Germany, India, UAE, Australia, and Brazil. Cross-day indicators (+1d / −1d) show exactly when a meeting spills into the next calendar day for someone.

The US Meeting Planner shows the four main US time zones (Eastern, Central, Mountain, Pacific). The International Meeting Planner opens the full set of 117+ world hubs, any IANA zone, or fixed UTC offsets. Both use the same golden window logic and export options.

World Time Buddy and timeanddate show clocks side by side and leave the overlap math to you. This world clock meeting planner computes the overlap: set working hours and the golden window, alternative overlaps, and per-city ratings (In hours / Early / Late / Outside) appear automatically — plus shareable links and .ics exports. See the full meeting planner comparison.

For standard 9-to-5 schedules, the dependable US–UK window is 9:00 AM–12:00 PM Eastern, which is 2:00–5:00 PM in London. During the US–Europe DST mismatch weeks (mid-March to late March, and late October to early November), the gap narrows to four hours, so the safe window runs 9:00 AM–1:00 PM Eastern (1:00–5:00 PM London). Use the US planner with the actual meeting date to confirm.

Philippine Time (PHT) is UTC+8 and does not observe daylight saving, so the offset is stable all year. A practical window is 8:00–10:00 AM Pacific, which is 11:00 PM–1:00 AM the next day in Manila, or 7:00–9:00 AM Eastern, which is 8:00–10:00 PM in Manila. Rotate the inconvenient end between teams and keep the call to 30–45 minutes.

London and Sydney are roughly 9–11 hours apart depending on the season. A workable bridge is 8:00–10:00 AM London, which is 6:00–8:00 PM Sydney during Australian summer time (AEDT) or 7:00–9:00 PM during standard time (AEST). The window tightens when the UK and Australia change clocks on different dates, so check the exact date in the planner.

Each participant's hourly rate (or annual salary divided by 2,080 work hours) is multiplied by the meeting duration. When participants earn in different currencies, costs are converted to your display currency using a static exchange-rate table. The total is the sum of all individual costs.

Both. Each participant can be set to Hourly or Annual. Annual salaries are converted at 2,080 hours per year (40 hours × 52 weeks). For example, $104,000/year converts to $50/hour.

Yes. Each participant has their own currency selector. Costs are converted to your chosen display currency for the total. The calculator supports 30+ currencies.

Annual salary is divided by 2,080 (40 hours/week × 52 weeks) to get an hourly rate, which is then multiplied by the meeting duration. This gives a consistent per-meeting cost regardless of whether you enter hourly or annual figures.

Timezone burden shows how many participants are outside their normal working hours at the scheduled meeting time. Each person is rated as In hours, Early, Late, or Outside. When someone regularly meets outside working hours, it signals a scheduling fairness concern.

For recurring meetings, the calculator evaluates all occurrences over 12 months (52 weekly, 12 monthly). A participant is flagged if they are Outside in more than 50% of occurrences AND their Outside count is at least double the minimum. This catches patterns that a single-occurrence analysis would miss.

One-time = base cost × 1. Weekly = base cost × 52. Monthly = base cost × 12. Annual = base cost × 52 (the yearly equivalent of a weekly meeting). All projections are derived from the same base meeting cost.

Yes. When at least one participant is meeting outside working hours, a 'Find a better time' button appears. Clicking it opens the Meeting Planner with the same participants, work hours, and date pre-loaded.

Yes. Calculator inputs are processed locally in your browser. Participant names, salaries, rates, locations, and meeting details are never sent to our servers. The share link encodes inputs in the URL — nothing is stored remotely. However, the site uses Google Analytics for pageview statistics, which may receive shared URLs including query parameters. See our Privacy Policy for details.

Select your departure and arrival locations, travel date, and usual sleep schedule. The calculator computes the timezone difference using DST-aware offsets for your travel date and estimates an adjustment period of roughly one day per three time zones crossed.

Yes. The calculator detects travel direction from the timezone difference. Eastward travel (losing hours) and westward travel (gaining hours) receive different guidance for light exposure, sleep shifts, and caffeine timing.

Yes. Basic mode asks for departure/arrival locations, travel date, and usual sleep schedule. Click 'Get my jet lag plan' to see your adjustment estimate and day-by-day guide. No advanced details are required.

Advanced mode lets you enter exact departure and arrival airports (searchable by IATA code), flight times, flight duration, pre-trip adjustment days (0–3), trip length (short/medium/long), and planning style (gentle/balanced/faster) for a more detailed itinerary.

Yes. Advanced mode includes a searchable dataset of 100+ major international airports. Search by airport name, IATA code, city, or country. Enter departure and arrival times to get flight-duration-aware guidance.

Yes. After clicking 'Get my jet lag plan,' you receive a day-by-day schedule with specific guidance for sleep timing, light exposure, caffeine cutoff, and nap recommendations for each day of adjustment.

Yes. Light is the strongest cue for resetting your internal clock. After eastward travel, the plan suggests morning light to advance your clock. After westward travel, it suggests afternoon/evening light to delay it.

For trips shorter than 2 days, the calculator may suggest maintaining your home schedule rather than fully adapting. Shifting your body clock takes time, and for very short stays the adjustment may cause more disruption than benefit.

Yes. In Advanced mode, if your departure and arrival times indicate an overnight flight, the plan includes guidance for using sleep strategically during the flight — resting during destination nighttime hours.

No. This calculator provides general travel-planning guidance based on common jet-lag heuristics. It is not a medical diagnostic tool. Individual recovery varies based on age, health, and travel habits. Consult a healthcare professional for personalized recommendations.

Pick a route from the 50+ busiest business corridors below. Each route page shows an hour-by-hour conversion table, highlights the golden window where both teams are working, and embeds a live two-city planner for testing exact moments.

Yes. Conversion tables are recomputed on every deploy against current DST rules, and the embedded live planner recalculates for any date you choose — including mismatch weeks when the US and Europe switch clocks on different dates.

When one country observes DST and the other doesn't (or they switch on different dates), the effective offset between them changes. For example, New York–London is 5 hours apart for most of the year but 4 hours during the mismatch weeks when the US and Europe switch clocks on different dates. The converter handles this automatically.