Date Calculation
Track important milestones with D-Day counters, Korean age reckoners, lunar calendar converters, and anniversary countdown calculators.
Special Date Calculators: Korean Age, Military Discharge, D-Day, and Lunar Calendar
Navigate Korea-specific calendar conventions and milestones with precision. This collection features the official Korean Unified Age Calculator reflecting the 2023 civil law reform, military service duration calculators tailored for South Korean armed forces branches, custom D-Day countdown timers, and astronomical solar-lunar calendar converters. Perfectly suited for Korean residents, foreign expats, and global observers alike.
Age Calculator
Calculate international age, Korean official age, Chinese zodiac sign, and milestones.
Military Discharge Calculator
Calculate military discharge date, progress percentage, and promotion dates.
Lunar Calendar Converter
Convert between Solar and Lunar calendars, check leap months, 60-year sexagenary cycle, and traditional holidays.
D-Day & Countdown Calculator
Calculate D-Day countdown, days passed since milestones, anniversaries (100 days, 1 year), and future dates.
Practical Real-World Use Cases
- •Determining legal age, adult status, and administrative eligibility under Korea Unified Age Reckoning Act
- •Tracking military service progress, promotion dates, and discharge countdown for South Korean service members
- •Setting up milestone timers for examinations, weddings, project deadlines, and 100-day baby celebrations
- •Converting traditional Korean lunar birthdays, ancestral rites, and holiday dates into the modern solar calendar