Terms of Service
Last updated: September 2, 2026. Please read these terms carefully before utilizing Time Calculator, an open web project by echoarc.
1. Acceptance of Terms
By accessing, browsing, or utilizing Time Calculator (calculadoradetempo.com), an independent project provided by echoarc ("we", "us", or "our"), you confirm that you have read, understood, and agreed to be bound by these Terms of Service. If you do not agree with any part of these terms, please do not use this site.
2. Description of Service
Time Calculator is a free, web-based, static suite of mathematical utilities designed to assist users with time additions, subtractions, shift timecards, decimal hour conversions, and elapsed durations. The service is delivered as static client-side web software without requiring user accounts or subscriptions.
3. Disclaimer of Warranties ("As-Is")
The service, including all calculations, tools, formulas, outputs, and associated content, is provided strictly on an "AS IS" and "AS AVAILABLE" basis without warranties of any kind, whether express or implied.
To the maximum extent permitted by applicable law, echoarc expressly disclaims all warranties, including but not limited to implied warranties of merchantability, fitness for a particular purpose, non-infringement, accuracy, or uninterrupted availability. While we make every effort to maintain reliable mathematical logic, we do not warrant that results will always be error-free.
4. Not Legal, Tax, or Official Payroll Advice
The calculations and reference guides provided on this website are for general informational, educational, and personal estimation purposes only. They do not constitute official payroll, legal, labor compliance, or tax advisory services. Labor laws, overtime pay thresholds, and rounding rules differ significantly across jurisdictions. Users are solely responsible for independently verifying calculation results prior to submitting official timesheets, issuing payroll payments, or resolving labor disputes.
5. Limitation of Liability
Under no circumstances shall echoarc, its developers, contributors, or affiliates be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising from or related to your use of, or inability to use, the website or any calculation discrepancies, lost profits, payroll inaccuracies, data loss, or system disruptions, even if advised of the possibility of such damages.
6. Permitted and Prohibited Uses
You are granted a non-exclusive, revocable license to access and use the tools for personal or commercial computation needs.
You agree not to engage in any activity that interferes with, disrupts, or burdens the service or its underlying infrastructure, including attempting to reverse-engineer server configurations, launch denial-of-service (DoS) attacks, or inject malicious code into client sessions.
7. Intellectual Property
The design system, branding, UI components, text content, and graphics of Time Calculator are the intellectual property of echoarc or used under applicable open-source software licenses. You may not copy, mirror, reproduce, or frame this site without prior written consent or except as permitted under applicable open-source provisions.
8. Modifications to Terms & Service
We reserve the right to modify, suspend, or discontinue any feature of this tool at any time without notice. We also reserve the right to update these Terms of Service. Your continued use of the website following any changes constitutes your binding acceptance of the revised terms.
9. Contact Information
If you have questions regarding these Terms of Service or wish to report an issue, please contact the echoarc team at support@echoarc.io.