Date & Time
Age calculator, date difference, and time tools
Age Calculator
Calculate your exact age in years, months, and days from your birthday. See total days alive, countdown to next birthday, and your zodiac sign instantly.
Date Difference Calculator
Calculate the exact difference between two dates in years, months, days, total days, weeks, and hours. Useful for project timelines, age gaps, and deadlines.
Countdown Timer
Set a target date and time to see a live countdown in days, hours, minutes, and seconds. Updates every second with automatic cleanup on unmount or completion.
Timezone Converter
Convert time between 20+ major world timezones instantly. Uses Intl.DateTimeFormat for accurate DST-aware conversions with date and time inputs for precision.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Shows a live-updating current timestamp and supports timestamp-to-date and date-to-timestamp modes.
Days Until Calculator
Find out how many days, weeks, and hours remain until holidays like Christmas, New Year, Valentine's Day, Halloween, July 4th, or any custom date you choose.