Age Calculator
Find your exact age in years, months, and days based on your birth date.
Open ToolTime Calculator
Calculate the time between two dates or times with precise breakdowns and formats.
Open ToolDate Duration Calculator
Calculate precise duration between two dates with multiple unit conversions. Get humanized output, add/subtract dates, and find recurrent dates.
Open ToolBusiness Days Calculator
Calculate business days between dates excluding weekends and holidays. Support for multiple countries, custom weekend patterns, and half-day calculations.
Open ToolWorld Time Zone Converter
Convert time between cities and timezones with DST awareness. Get team overlap hours, world clock grid, and share meeting links.
Open ToolCountdown Timer
Create multiple countdown timers with sound alerts, desktop notifications, and large-screen mode. Perfect for presentations, cooking, and productivity.
Open ToolWork Hours Calculator
Calculate work hours, overtime, and wage estimates with break time, rounding rules, and holiday pay. Export timesheets and generate printable reports.
Open ToolFrequently Asked Questions
Find answers to common questions about our Date & Time Tools
How accurate are the date and time calculators?
Our calculators are built on standard temporal logic and are highly accurate for general-purpose calculations. They account for leap years and standard calendar rules.
Do the tools account for time zones and Daylight Saving Time (DST)?
Our Time Zone Converter is specifically designed to handle different time zones and DST adjustments. Other tools, like the Date Calculator, operate on a 'day' basis and are not affected by time zones.
Are my calculations or any personal data saved?
No, we prioritize your privacy. All calculations are performed directly in your browser. We do not see, collect, or store any of the data you enter.
Can I calculate business days or working days?
Yes, our Workday Calculator allows you to add or subtract business days from a given date, automatically excluding weekends and optional public holidays.
Can I use these tools on my phone?
Absolutely! All our tools are fully responsive and designed to work seamlessly on desktops, tablets, and mobile phones.