Contact & report an issue
Send a calculation correction, tool suggestion or question to the owner of ZenUtility.
Get in touch
Email info@zenutility.com for support, corrections, accessibility feedback and business inquiries. Please do not send passwords, payment information or sensitive personal documents.
Report a calculation problem
Include the tool’s address, the inputs you entered, the answer you received and the answer you expected. For time zone issues, include the date, named time zones and UTC offsets. For calendar issues, include the calendar method. A source for the expected result is helpful.
Suggest a useful tool
Describe the task you are trying to finish and where existing tools fall short. Specific examples help us prioritize improvements that save people time.
Advertising inquiries
Use the subject “Advertising inquiry” and describe the proposed placement. Advertising must be clearly identified and must not imitate buttons, downloads or calculation results.