About DateCalc

DateCalc is a free collection of date and age calculators at datecalc.xyz. Every calculation runs directly in your browser — no account, no registration, and no personal data is sent to a server.

What the site offers

DateCalc covers the most common date-related questions people need to answer quickly and accurately:

• Age Calculator — exact age in years, months, days, and hours from any date of birth
• Date Difference Calculator — total days, weeks, months, or years between two dates
• Business Days Calculator — working days between dates, with weekends excluded
• Birthday Calculator — day of the week you were born, zodiac sign, and upcoming birthday
• Days Until — live countdown to any future date or event
• Add Days to Date — find the date that falls a set number of days from any starting point
• Leap Year Calculator — check whether any year is a leap year and find the next occurrence

Who the tools are for

The calculators are built for everyday use: checking a contract deadline, counting down to an event, verifying someone's age for a form, or settling a quick date question without opening a spreadsheet. All tools are free and require no sign-up.

A note on accuracy

Results use standard Gregorian calendar arithmetic and are intended for everyday reference. For decisions involving legal deadlines, immigration, financial contracts, medical timelines, or employment notices, verify the result independently or consult a qualified professional.