Time Zone Meeting Planner
Compare local times around the world and find practical meeting times across time zones. Daylight saving time and date differences are handled directly in your browser.
World Clock & Local Times
Local clocks are calculated relative to your device's current clock.
Tokyo HQ
Tokyo • Asia/Tokyo
London Office
London • Europe/London
New York Client
New York • America/New_York
Participants & Time Zones(3)
- Tokyo (Asia/Tokyo)
- London (Europe/London)
- New York (America/New_York)
About Time Zone Meeting Planner
Solasu's Time Zone Meeting Planner is a free, privacy-first web tool designed to help remote teams and global organizations coordinate meetings across continents.
Unlike basic world clocks or static time zone converters, it evaluates working hours, preferred windows, lunch breaks, weekend exclusions, daylight saving time (DST) shifts, and cross-midnight date boundaries to automatically suggest viable meeting times.
All calculations and exported calendar files are processed 100% inside your browser. No meeting or participant data is ever uploaded to a server.
Automated Meeting Candidate Generation Across Global Working Hours
Overlay working hours across Tokyo, London, New York, Sydney, and any of over 400 IANA time zones. The engine systematically searches candidate windows where all participants are active during their business day.
When full overlap is impossible due to extreme time differences, the tool objectively presents partial matches (e.g. 3 of 4 participants in business hours) and transparently highlights who would be outside their normal schedule (e.g. 05:00 AM local time).
Full Browser-Native DST, Date Boundary, and Fractional Offset Calculations
Avoid scheduling mistakes caused by static UTC offsets. Solasu uses your browser's native IANA time zone engine to calculate exact daylight saving time transitions for any selected date in the past, present, or future.
Fractional offsets such as India (UTC+05:30) and Nepal (UTC+05:45), as well as date boundary shifts across the International Date Line (+1 day / -1 day), are automatically detected and visualized.
RFC 5545 iCalendar (.ics) Export, Markdown, CSV, and Text Sharing
Export your confirmed meeting slot to a standardized RFC 5545 .ics file that imports seamlessly into Google Calendar, Microsoft Outlook, Apple Calendar, and Thunderbird.
Instantly copy formatted Markdown tables, CSV data, or clean text summaries directly to your clipboard for quick sharing in Slack, Teams, or email.
Zero-Knowledge Local Execution & Strict Privacy
Participant names, meeting titles, and time configurations never leave your device. There are zero tracking queries of your private data, zero external API requests, and zero cloud storage.
No OAuth calendar logins or permission requests for your address book or contacts are ever required.
Frequently Asked Questions
What is a time zone?
A time zone is a geographic region that observes a uniform standard time for legal, commercial, and social purposes. They are officially designated by IANA identifiers such as 'Asia/Tokyo' or 'America/New_York' and defined as an offset from Coordinated Universal Time (UTC).
Can I check time differences between Japan and the US?
Yes. You can compare Tokyo with Eastern Time (New York), Central Time (Chicago), Pacific Time (San Francisco/Los Angeles), and other US regions with automatic adjustment for Daylight Saving Time.
Can I compare multiple cities at once?
Yes. You can add 20 or more cities simultaneously to view current local times and plan multi-regional meetings on a single screen.
Can this tool be used as a world clock?
Yes. Even without planning a meeting, you can add cities to inspect real-time local clocks, dates, day difference badges (+1 day / -1 day), and DST indicators.
Can I find practical meeting times across time zones?
Yes. Open the 'Find Meeting Times' panel to automatically evaluate everyone's working hours and discover slots where all or most team members are available.
Can I set individual working hours for each participant?
Yes. Click on any participant to configure customized working hours (e.g., 09:00–17:00), preferred hours (e.g., 10:00–16:00), and custom working days.
Can I exclude lunch breaks?
Yes. Each participant can have custom exclusion windows (such as a 12:00–13:00 lunch break) so meetings are not scheduled during meal times.
Can I exclude weekends from working hours?
Yes. Saturdays and Sundays are excluded by default. You can customize active working days (Monday through Sunday) for each participant individually.
Does this support Daylight Saving Time (DST)?
Yes. All conversions utilize browser-native IANA time zone rules to accurately compute DST start and end dates for any calendar date.
Can it calculate for future dates?
Yes. Pick any date in the calendar picker to compute exact local times, offsets, and DST status for future conferences and project launches.
Are cross-day date differences displayed properly?
Yes. If time differences cause local dates to roll over to the previous or next day, visual badges (+1 Day / -1 Day) and local calendar dates are clearly indicated.
Can I select meeting durations like 30 or 60 minutes?
Yes. Choose from 15, 30, 45, 60, 90, or 120-minute presets. The engine verifies that the entire meeting duration falls within working hours.
What happens if no overlapping working hours exist?
When global time zones have no shared business hours, the planner provides partial-match candidates (e.g. 3 of 4 in hours) and transparently lists who is outside working hours.
Can I export an .ics calendar file?
Yes. You can download an RFC 5545 compliant .ics calendar event file with one click to import directly into Google Calendar, Outlook, Apple Calendar, or Thunderbird.
Does this connect to Google Calendar or Outlook?
No. Solasu operates entirely offline in your browser without OAuth or calendar account access. It only generates downloadable .ics files.
Does this tool access my calendar or contacts?
No. The tool never requests permissions to read your device's calendar, appointments, or contact lists.
Is my meeting information saved?
No. Entered names and settings are kept in browser memory during your active session and are cleared when you close the tab. Nothing is stored in cookies or localStorage.
Is entered information uploaded to a server?
No. All calculations, candidate matching, and file exports run client-side in your browser. Zero data is sent to Solasu servers or third parties.
What happens if my device clock is inaccurate?
Current world clocks are referenced from your operating system clock. If your computer's clock is incorrect, displayed current times will reflect that difference.
Does this support half-hour and quarter-hour UTC offsets?
Yes. Non-integer time zones such as India (UTC+05:30), Iran (UTC+03:30), Nepal (UTC+05:45), and Chatham Islands (UTC+12:45) are fully supported.