Overview of Online Jet Lag Calculators

Here we have listed online jet lag calculators that provide instructions on when to be in light and in the dark after crossing time zones. These tools are designed to help travelers adjust their body clocks, and while they vary in complexity, they generally offer personalized plans based on flight details and sleep patterns.

Jet Lag Rooster
A free online tool that creates a personalized plan for light exposure and melatonin to reduce jet lag, based on scientific research. Suggests optimal times for bright light and darkness to shift your body clock, recommended by the CDC.
https://jetlag.sleepopolis.com/

Hillarys Jet Lag Calculator
An online calculator that generates a personalized plan based on time zones crossed, direction of travel, and sleeping patterns, focusing on light exposure and sleep schedules (Hillarys Jet Lag Calculator). Helps adjust your body clock quickly by providing a schedule for light and dark exposure.
https://www.hillarys.co.uk/static/jet-lag-calculator/

Pyllola Jet Lag Calculator
A free online calculator that helps determine jet lag recovery time and provides tips, likely including light exposure advice. Offers guidance on adjusting to new time zones, possibly with light and dark exposure recommendations.
https://www.pyllola.com/universal-jet-lag-calculator

Fleet Street Clinic Jet Lag Calculator
Part of their travel clinic services, this calculator helps calculate adjustment time and suggests strategies to reduce jet lag, possibly including light exposure schedules. Provides strategies for managing jet lag, likely including when to seek light and avoid it.
https://fleetstreetclinic.com/services/travel-clinic/jet-lag/

HumanCharger Jet Lag Calculator
Associated with the HumanCharger light therapy device, this calculator provides instructions on when to use light therapy to adjust the body clock. Focuses on light therapy timing to help reset your internal clock.
https://humancharger.com/pages/jet-lag-calculator

British Airways Jet Lag Advisor
An online tool offering advice on managing jet lag, including when to sleep and stay awake, based on sleep research, likely including light exposure. Provides general advice on light and sleep to manage jet lag effectively.
https://www.britishairways.com/travel/drsleep/public/en_gb