Free Online Time & Date Tools

Easily determine someone's age or the duration between two dates with our precise Age Calculator.

A versatile date calculator to find the difference between two dates or to calculate a future/past date by adding/subtracting days, months, or years.

Easily convert times across different global timezones. Ideal for scheduling international meetings, calls, and travel planning. Handles DST automatically.

Calculate the exact time duration between a start and end time. Our time calculator provides results in hours, minutes, seconds, and total units, handling overnight calculations automatically.

Calculate total working days between two dates, excluding weekends and public holidays. Perfect for HR, payroll, and project management.

Generate a custom, embeddable countdown timer for any event. Set the date and time, customize colors and fonts, and get an HTML snippet to add to your website. Perfect for creating urgency and excitement.

Convert UNIX timestamps to readable date formats and back. Free online Unix Timestamp Converter with real-time conversion, time zone support, and copy-ready results. The essential tool for developers.

Free online World Clock Tool — view current times across multiple cities, countries, and time zones. Ideal for travelers, businesses, and global teams managing remote schedules.

A high-precision online stopwatch with lap functionality. Perfect for timing sports, workouts, study sessions, and more. Keyboard shortcuts and session persistence included.

Check the current date and time instantly with this free real-time clock tool. View local and UTC time, switch between time zones, and embed a live clock on your website or dashboard.