Date Calculators
Calculate ages, count days between dates, find durations, and explore date-related conversions. Every date calculator uses ISO 8601 standards and correctly handles leap years, timezone boundaries, and calendar edge cases.
Available Calculators
2 calculators
Korean Age Calculator
Calculate your Korean age from your birth date. Learn the traditional formula where everyone is 1 at birth and ages on January 1, see the Korean pronunciation of your age, and understand what changed with the 2023 law.
Age Calculator
Calculate your exact age in years, months, and days — today or on any past or future date. Shows total months, weeks, days, hours, days until your next birthday, generation, and zodiac signs.
About Our Date Calculators
Date calculations seem simple until you hit edge cases — leap years, varying month lengths, timezone boundaries, and different calendar systems. Our date calculators handle all of these correctly, following the ISO 8601 international standard for date and time representation.
Every result includes the formula used, a step-by-step breakdown, and a proximity table of nearby values. Whether you're planning an event, tracking a milestone, or just curious about a date, you get the full picture — not just a bare number.