Have questions about using the calculator? Found a bug? Have suggestions for improvement? We'd love to hear from you!
Common Questions
Check out our How It Works page for a detailed explanation, or visit our FAQ for answers to common questions.
No. Our calculator provides educational information based on circadian rhythm research. It is not medical advice. Always consult with a healthcare provider before making changes to your sleep schedule or taking supplements. See our Terms of Service for our full medical disclaimer.
The calculator is free for personal use. For commercial or institutional use, please contact us to discuss licensing options.
We appreciate bug reports! Please email us at info@jetlagcalc.com with details about what happened and what you were trying to do.
Absolutely! We're always looking to improve. Send your suggestions to info@jetlagcalc.com. While we can't implement every suggestion, we read and consider all feedback.
What to Include in Your Message
To help us respond more effectively, please include:
- For questions: Your travel details (origin, destination, dates) and what specific aspect you're confused about
- For bugs: What you were trying to do, what happened instead, your browser and device type, and any error messages
- For feedback: What you liked, what could be improved, and any specific suggestions
Response Time
We aim to respond to all emails within 2-3 business days. For urgent matters (such as critical bugs affecting many users), we may respond faster. Please note that we are a small team and may not be able to respond to every message immediately.
Privacy: We respect your privacy. Any information you share with us will be kept confidential and used only to respond to your inquiry or improve our service. We will never sell or share your contact information. See our Privacy Policy for more details.