Introduction
Welcome to TimeZone Visualizer ("we," "our," or "us"). We are committed to protecting your privacy and ensuring transparency about how we handle information when you use our timezone overlap calculator tool.
This Privacy Policy explains what data we collect, how we use it, and your rights regarding your information.
Information We Collect
Automatically Collected Information
When you visit our website, we automatically collect certain information through cookies and similar technologies:
- Browser Information: Browser type, version, and language preferences
- Device Information: Device type, operating system, and screen resolution
- Usage Data: Pages visited, time spent on pages, and interaction patterns
- Timezone Detection: Your local timezone (used solely to pre-populate the calculator)
Information You Provide
Our timezone calculator tool processes the following information locally in your browser:
- Selected timezones
- Working hours preferences
- Chart visualization settings
Important: All calculator data is processed entirely in your browser using JavaScript. We do not store, transmit, or access any timezone selections or working hours you configure.
How We Use Your Information
We use the automatically collected information for the following purposes:
- Service Provision: To deliver and improve the timezone calculator functionality
- Analytics: To understand how users interact with our tool and identify areas for improvement
- Advertising: To display relevant advertisements through Google AdSense
- Performance Optimization: To ensure fast loading times and smooth user experience
Google AdSense and Cookies
Third-Party Advertising
We use Google AdSense to display advertisements on our website. Google AdSense uses cookies and similar technologies to:
- Show you personalized ads based on your interests
- Measure ad performance and engagement
- Prevent fraudulent clicks and impressions
Cookies Used
Our website and Google AdSense may use the following types of cookies:
- Essential Cookies: Required for basic website functionality
- Analytics Cookies: Help us understand user behavior and improve our service
- Advertising Cookies: Used by Google AdSense to display relevant ads
Your Advertising Choices
You can control personalized advertising through:
- Google Ads Settings - Manage personalized ads from Google
- Digital Advertising Alliance (DAA) - Opt out of interest-based advertising
- Network Advertising Initiative (NAI) - Opt out from participating networks
- Your browser settings - Most browsers allow you to refuse or delete cookies
Note: Opting out of personalized ads does not mean you will see fewer ads; instead, the ads will be less relevant to your interests.
Data Storage and Security
We take reasonable measures to protect your information:
- No Server-Side Storage: Your timezone preferences and calculator settings are never sent to or stored on our servers
- Browser-Only Processing: All calculations are performed locally in your browser using client-side JavaScript
- No User Accounts: We do not require registration, login, or personal identification
- HTTPS Encryption: All data transmitted to our website is encrypted using HTTPS
Children's Privacy
Our service is not directed to individuals under the age of 13. We do not knowingly collect personal information from children. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.
International Users
Our website is hosted and operated in the United States. If you access our service from outside the United States, please be aware that your information may be transferred to, stored, and processed in the United States where our servers are located and our central database is operated.
Your Privacy Rights
Depending on your location, you may have the following rights:
- Access: Request information about data we may have collected
- Deletion: Request deletion of any data associated with your visits
- Opt-Out: Refuse cookies and tracking technologies through browser settings
- Do Not Track: Configure your browser to send "Do Not Track" signals
GDPR Rights (European Users)
If you are located in the European Economic Area (EEA), you have additional rights under GDPR:
- Right to access your personal data
- Right to rectification of inaccurate data
- Right to erasure ("right to be forgotten")
- Right to restrict processing
- Right to data portability
- Right to object to processing
CCPA Rights (California Users)
If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA):
- Right to know what personal information is collected
- Right to know if personal information is sold or disclosed
- Right to opt out of sale of personal information
- Right to deletion of personal information
- Right to non-discrimination for exercising your rights
Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. We will notify you of any material changes by:
- Updating the "Last Updated" date at the top of this policy
- Posting a notice on our homepage (for significant changes)
We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.
Contact Us
If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:
- Email: Via our Contact Page
- Website: TimeZone Visualizer
Consent
By using our website, you consent to our Privacy Policy and agree to its terms. If you do not agree with this policy, please do not use our service.
Legal Disclaimer
This website is operated as a free tool for educational and productivity purposes. While we strive to provide accurate timezone calculations, we are not liable for any decisions made based on the information provided by our calculator.