Calculator Disclaimer
DateTimeWise calculators are provided for general informational purposes. Review important accuracy and professional-use limitations.
General calculator disclaimer
DateTimeWise calculators are provided for general informational and planning purposes. Although we design the tools to produce consistent results under the conventions described on the site, inputs, browser behavior, timezone data, holiday rules and interpretation of deadlines can affect the correct answer for a particular real-world situation.
Important deadlines
Do not rely on DateTimeWise as the sole source for legal filings, tax dates, benefit eligibility, payroll obligations, contract deadlines, shipping guarantees, medical timing, financial transactions or other matters where an incorrect date or time could create a material consequence. Verify those dates with the relevant authority, contract, professional or official source.
Holiday and workday data
Holiday presets are not exhaustive. Regional, state, provincial, local, religious, employer-specific and one-off holidays may not be included.
Timezone data
Timezone calculations rely on timezone information available in the user's browser. Around daylight-saving transitions, a local clock time can be ambiguous or nonexistent.
By using the website, you accept responsibility for deciding whether a result is appropriate for your purpose.