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Both calculators run independently — change the inputs on either side to compare results.

Time Zones

Travel Jet Lag Recovery Calculator

Estimate how many days of jet-lag recovery you can expect after a long-haul flight, based on time-zone gap, flight length, age, and travel experience. Use it before booking trips to plan rest days.

Fill in the required fields to see your result.
Time Zones

International Meeting Time Planner

Score any proposed meeting time based on how well it falls within business hours for your organiser and two participants across different time zones. Use it to find a window that works for everyone without spreadsheet guesswork.

Fill in the required fields to see your result.

Key differences

Travel Jet Lag Recovery CalculatorInternational Meeting Time Planner
CategoryTime ZonesTime Zones
Inputs required55
ResultJet Lag Recovery Days (days)Meeting Suitability Score (%)
What it doesEstimate how many days of jet-lag recovery you can expect after a long-haul flight, based on time-zone gap, flight length, age, and travel experience. Use it before booking trips to plan rest days.Score any proposed meeting time based on how well it falls within business hours for your organiser and two participants across different time zones. Use it to find a window that works for everyone without spreadsheet guesswork.