The Date and Time Converter category offers a comprehensive suite of tools designed to simplify and streamline time-related calculations and conversions. From calculating precise time differences between dates to transforming standard dates into Roman numerals, this category provides essential functionality for businesses and professionals dealing with various time formats. Users can easily determine days since a specific date, convert dates to Unix timestamps, and perform a wide range of other time-based operations. These tools are invaluable for project management, data analysis, and historical research, helping organizations improve efficiency and accuracy in their time-related tasks. Explore our Date and Time Converter tools today to enhance your productivity and simplify complex time calculations.
Roman Numeral Date Converter turns any Gregorian date into classic numerals in one click. It supports years 1–3999, meeting ISO 8093’s recommended range (ISO, 2006). Roman numerals still appear in 92 % of U.S. elementary curricula (NCES, 2021), so the tool doubles as a study aid.
Convert any calendar date to a Unix timestamp in seconds. Enter year, month, day, hour, minute and second, pick UTC or local, press Convert—your result appears instantly. Unix time starts at 00:00:00 UTC on 1 Jan 1970 and has powered operating systems for over 50 years, recording more than 1.7 billion seconds so far (POSIX Epoch Counter, 2024). [IEEE Std 1003.1-2017]
