Time Zone Planner
What is the best time for a meeting across these time zones?
Find the best meeting times across multiple time zones.
Coordinate Meetings Across Time Zones Fast
Compare your local time with another city, see business-hour overlap, and avoid scheduling calls during sleep windows.
Use this for
- International client calls
- Distributed team standups
- Cross-region interview scheduling
You will get
- Time difference and converted meeting time
- Business-hours fit indicator
- 24-hour overlap visualization
Quick Result
Converted destination time
2:00 PM
+5 hours vs New York, NY
Based on
- • Home city: New York, NY
- • Destination city: London
- • Selected meeting time: 09:00 (home local time)
Local Time
24-Hour Overlap View
Disclaimer: This tool provides estimates based on historical data, user inputs, and general assumptions. Travel costs, living expenses, and tax rates are subject to frequent change. Actual costs may vary significantly based on season, booking time, lifestyle choices, and economic conditions. Information provided here should not be considered as financial or travel advice. Please verify prices and requirements with official sources before making significant decisions.
Methodology and Trust
Formulas
Offset difference
diff = destinationUTCOffset - homeUTCOffset
Destination time
destHour = homeHour + diff
24h normalization
normalizedHour = (hour % 24 + 24) % 24
Business-hours check
business = normalizedHour >= 9 && normalizedHour <= 17
Recommended Next Steps
Continue your journey with these related tools
Mastering the Fourth Dimension: The Strategic Traveler's Guide to Time
Key Insights & Concepts
Amateurs check the weather; pros check the time zone. In a remote-first world, time is the most valuable currency. Navigating it requires understanding not just the math of "UTC +/-", but the biology of circadian rhythms and the sociology of global business hours.
1. The "West is Best" Protocol
Jet lag severity is directional.
- Flying West (e.g., London to NYC): You "gain" time. It is easier to force yourself to stay awake until local bedtime. Recovery time: ~1 day per 1.5 time zones.
- Flying East (e.g., NYC to London): You "lose" time. Your body wants to be awake at 3 AM local time. Recovery time: ~1 day per 1 time zone.
Strategy: When flying East, start shifting your bedtime 30 minutes earlier each night for 3 days before departure.
2. The "Golden Window" for Global Teams
If you work remotely, you live in these windows.
NY & London (14:00 - 17:00 GMT)
The most productive corridor. 9am in NY is 2pm in London. Perfect for synchronous work.
London & Tokyo (08:00 - 10:00 GMT)
Narrow window. London morning catches Tokyo evening. Requires discipline from London team to start early.
3. Circadian Hacking: Light is the Drug
Your internal clock is regulated by the suprachiasmatic nucleus, which is sensitive to blue light.
- Morning Arrival: Seek maximum sunlight immediately. Do not wear sunglasses. This triggers cortisol and resets the clock.
- Night Arrival: Wear blue-blocking glasses on the plane. Minimize screen time. Take a hot shower (the subsequent body temp drop mimics sleep onset).
4. The Date Line Paradox
Crossing the International Date Line (Pacific Ocean) messes with your calendar, not just your watch.
Scenario: You fly LA to Sydney. You leave Friday night. You land Sunday morning. Saturday effectively never happened for you.
Implication: If you have a recurring meeting on "Mondays", verify if that means Monday for you or Monday for the host. Always use calendar invites with time zone support, never text "See you at 9".
5. Digital Hygiene
The "Ghost Mode" Technique: When traveling, keep your laptop on your home time zone, but your phone on local time zone. This allows you to see "when files were created" relative to your work server, while ensuring your alarm wakes you up for the local breakfast meeting.