Free Time Zone Planner
A time zone planner is a scheduling tool that displays the current time in multiple time zones side by side, helping distributed teams identify overlapping working hours for meetings and collaboration.
| City | Now | Offset | |
|---|---|---|---|
| New York | 5:13 AM | GMT-4 | |
| London | 10:13 AM | GMT+1 | |
| Tokyo | 6:13 PM | GMT+9 |
Working hours overlap
How to use the Time Zone Planner
- 1
Add time zones
Search for a city name or select a UTC offset to add it to your comparison view. You can add your own location plus the locations of every team member or client you need to coordinate with.
- 2
Set your working hours
Define your typical start and end times (for example, 9 AM to 6 PM) to highlight your personal availability window. Each time zone column shows when you're available versus when you're off the clock.
- 3
Find the overlap
The planner highlights hours where all selected time zones share working time, making it easy to spot the best window for meetings, standups, or synchronous collaboration without anyone joining at midnight.
Who this tool is for
Remote teams spread across continents who need to find common meeting windows without mental timezone arithmetic. Freelancers working with international clients who need to propose call times that work for both parties. Project managers coordinating handoffs between offices in different time zones, especially when planning sprint ceremonies, release windows, or support rotations that span regions. Particularly useful when daylight saving transitions shift the overlap window by an hour and catch teams off guard.
FAQs about using the Time Zone Planner
Time zones aren't just simple hourly offsets — they involve half-hour and 45-minute zones (India at UTC+5:30, Nepal at UTC+5:45), daylight saving transitions that happen on different dates in different countries, and the International Date Line which can mean teammates are technically on different days. A 2023 Buffer State of Remote Work report found that scheduling across time zones is the second-biggest challenge for distributed teams after loneliness.
By making overlap hours visible at a glance, teams can protect synchronous collaboration windows for high-bandwidth work (brainstorming, pair programming, decision-making) and schedule async work for non-overlapping hours. Research from Harvard Business School shows that teams who intentionally design around time zones — rather than defaulting to one office's schedule — report 23% higher satisfaction and faster project delivery.
Rotate meeting times so the same region doesn't always take the inconvenient slot. Default to async communication and reserve synchronous time for decisions that truly need real-time discussion. Record all meetings for team members who can't attend live. When overlap is limited to 2–3 hours, protect those hours ruthlessly for collaborative work rather than filling them with status updates that could be written.
Yes. The planner uses your browser's built-in Intl time zone database, which automatically accounts for DST transitions in every supported region. When clocks change, the overlap window updates accordingly — no manual adjustment needed.
You can add as many time zones as you need. The view scrolls horizontally if you add more than fit on screen, and each column stays aligned so you can scan across all locations at any hour of the day.
Your configuration is stored locally in your browser. To share it, you can take a screenshot of the overlap view or copy the list of time zones and working hours to paste into a Slack message or calendar invite.
A world clock simply shows the current time in multiple locations. A time zone planner goes further by overlaying working hours, highlighting shared availability windows, and helping you find meeting slots that work for everyone. If you just need to know what time it is in Tokyo, a world clock suffices. If you need to find a 1-hour slot where London, New York, and Singapore are all awake during business hours, you need a planner.
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