Free & Open Source Online Tool to Display the Days to Holidays. Easily display the current date, helping you with date calculations, reminders, and more.

Free & Open Source Online Tool to Convert Time to Duration. Easily convert time to duration, helping you with time calculations, reminders, and more.

Free & Open Source Online Tool to Convert Minutes to HH:MM:SS . Easily convert minutes to time, helping you with time calculations, reminders, and more.

Free & Open Source Online Tool to Convert Seconds to HH:MM:SS . Easily convert seconds to time, helping you with time calculations, reminders, and more.

Free & Open Source Online Tool to Convert Weeks to HH:MM:SS . Easily convert weeks to time, helping you with time calculations, reminders, and more.

Free & Open Source Online Tool to Convert Days to HH:MM:SS . Easily convert days to time, helping you with time calculations, reminders, and more.

Free & Open Source Online Tool to Convert Hours to HH:MM:SS . Easily convert hours to time, helping you with time calculations, reminders, and more.

Free & Open Source Online Tool to Compare Dates. Easily compare dates, helping you with date calculations, reminders, and more.

Free & Open Source Online Tool to Display a Birthday Countdown. Easily display the current date, helping you with date calculations, reminders, and more.

Free & Open Source Online Tool to Display Todays Date. Easily display the current date, helping you with date calculations, reminders, and more.

Free & Open Source Online Tool to display a city datetime on fullscreen. Easily enter fullscreen mode.

Free & Open Source Online Tool for Modified Julian Day Conversion. Easily convert between Modified Julian Day (MJD) and calendar dates, helping astronomers, scientists, and researchers with precise date calculations and time-based data analysis.

Free & Open Source Online Tool for Volume Conversion. Easily convert between various units of volume such as liters, gallons, cubic meters, and fluid ounces, helping you with accurate measurements for cooking, science, or any volume-related calculations.

Free & Open Source Tool to Calculate Age from Date of Birth

Verify minimum age given any date. Calculate the date of birth needed for someone to be a minimum age on today date or any date you want to check.

Free & Open Source Tool for Adding or Subtracting Time Intervals. Calculate Time Differences, Convert Between Time Formats, and More.

Free & Open Source Tool to Estimate Pregnancy Due Date Based on Various Methods

Free & Open Source Epoch/Unix Timestamp Converter for Computer Programmers. Includes Epoch Explanation and Conversion Syntax in Various Programming Languages.

Free & Open Source Online Tool to Calculate the Number of Weeks in a Year. Easily determine how many weeks are in a given year, taking into account leap years and standard years.