Effective & Last Updated: August 20, 2026
Welcome to DayLogic (https://daylogic.org). These Terms of Service ("Terms") govern your access to and use of our suite of online calculation, conversion, text manipulation, data development tools, and informational articles.
All calculations, estimations, data utilities, and written guides provided on DayLogic are for general informational and educational purposes only. They do not constitute certified financial, tax, investment, legal, or medical advice. Always consult a qualified professional before making financial or healthcare decisions.
By accessing, browsing, or using DayLogic, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service, along with our Privacy Policy. If you do not agree to all of these Terms, you must discontinue use of our services immediately.
DayLogic offers a collection of free, browser-based productivity utilities (including date and time calculators, timezone converters, text formatters, financial calculators, health metrics, and dev tools) and educational articles.
We grant you a personal, non-exclusive, non-transferable, revocable license to access and use DayLogic for personal, educational, or internal business purposes in accordance with these Terms.
You agree to use DayLogic only for lawful purposes. You agree not to engage in any of the following prohibited activities:
While we make every effort to ensure the accuracy and mathematical rigor of our tools, calculation results are generated by standardized algorithms and are provided strictly for illustrative and informational purposes:
Financial calculators on DayLogic (such as Loan Amortization, Compound Interest, and Tip Calculators) provide estimates based on mathematical models and user inputs. They do not account for lender-specific fees, fluctuating interest rates, taxes, or regional financial regulations. They do not constitute formal financial, mortgage, banking, or tax advice. Consult a certified financial planner or CPA before making significant financial commitments.
Calculators such as BMR (Basal Metabolic Rate), TDEE (Total Daily Energy Expenditure), and BMI estimations use generalized scientific formulas (e.g., Mifflin-St Jeor). Individual metabolic rates and nutritional requirements vary widely based on genetics, medical history, and lifestyle. This information is not medical or dietary advice. Always consult a physician or registered dietitian before beginning any weight loss, dietary, or strenuous exercise regimen.
Date difference, business day calculations, timezone conversions, and developer utilities (hashes, Base64, JSON formatters) are executed client-side. While we maintain up-to-date calendar logic and IANA timezone databases, you agree not to rely solely on these tools for mission-critical aerospace, medical, legal filings, or contractual deadlines without independent verification.
DayLogic displays third-party advertisements, including ads served by Google AdSense. We do not endorse, recommend, verify, or guarantee any products, services, claims, or offers advertised in these promotional placements or on external linked sites.
Your correspondence, purchases, or business dealings with any third-party advertisers found on or through DayLogic are solely between you and the advertiser. DayLogic shall not be responsible or liable for any loss, damage, or dispute incurred as the result of any such dealings or as the result of the presence of such advertisers on our platform.
All original software, source code, user interface designs, logos, branding, educational articles, graphics, and visual elements on DayLogic are the exclusive property of DayLogic and are protected by applicable copyright, trademark, and intellectual property laws.
You may not copy, reproduce, distribute, republish, mirror, or create derivative works from our original website code or written content without prior written permission from DayLogic.
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The materials, tools, and services on DayLogic are provided on an "AS IS" and "AS AVAILABLE" basis without warranties of any kind, whether express, implied, or statutory. To the fullest extent permissible under applicable law, DayLogic expressly disclaims all warranties, including but not limited to implied warranties of merchantability, fitness for a particular purpose, non-infringement, uninterrupted uptime, or error-free operation.
Under no circumstances, including negligence, shall DayLogic, its creators, operators, contributors, or partners be liable for any direct, indirect, incidental, special, consequential, or punitive damages (including, without limitation, damages for loss of profits, loss of data, missed deadlines, business interruption, or calculation inaccuracies) arising out of the use of or inability to use the tools or materials on this website, even if advised of the possibility of such damages.
You agree to defend, indemnify, and hold harmless DayLogic, its creators, and its affiliates from and against any claims, liabilities, damages, judgments, awards, losses, costs, or expenses (including reasonable attorneys' fees) arising out of or relating to your violation of these Terms or your use of the website.
We reserve the right to revise, modify, or replace these Terms of Service at any time. Changes become effective immediately upon posting. Your continued use of the website following the posting of revised Terms constitutes your acceptance of such changes. If any provision of these Terms is found to be invalid or unenforceable, that provision will be severed and the remaining provisions will continue in full force and effect.
For questions regarding these Terms of Service or general inquiries about DayLogic, please contact us: