🕐 Time & Date

Comprehensive time and date calculators for age calculations, date differences, calendar conversions, and time zone tools.

🎂

Age Calculator

Calculate exact age in years, months, days, hours, and minutes.

years, months, days, hours, minutes, seconds
📅

Date Difference

Calculate the difference between two dates in various time units.

days between dates, weeks, months, years
👥

Age Difference

Calculate age difference between two people or dates.

age gap, years, months, days difference
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Calendar Converter

Convert between different calendar systems worldwide.

Gregorian, Julian, Islamic, Hebrew, Chinese calendar
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Holiday Calculator

Find holidays, calculate days until holidays and special dates.

national holidays, religious holidays, countdown
🌍

Timezone Converter

Convert time between different time zones worldwide.

UTC, GMT, EST, PST, CET, JST, time zones
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Unix Timestamp

Convert between Unix timestamp and human-readable dates.

Unix time, epoch, timestamp, milliseconds
💼

Workday Calculator

Calculate business days, excluding weekends and holidays.

business days, working days, weekdays only
🏃‍♂️

Leap Year Calculator

Check if a year is a leap year and find next leap years.

leap year, February 29, 366 days
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Day of Week

Find what day of the week any date falls on.

Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
🔄

Date Format Converter

Convert between different date formats and standards.

MM/DD/YYYY, DD/MM/YYYY, ISO 8601, RFC 3339
⏱️

Stopwatch & Timer

Online stopwatch and countdown timer for various activities.

stopwatch, countdown, timer, alarm

Comprehensive Time & Date Calculators

Our extensive collection of time and date tools provides precise calculations for age determination, date differences, calendar conversions, and time zone management. Essential tools for planning, scheduling, and time-based calculations.

Time Calculation Categories

  • Age & Duration: Calculate exact ages, date differences, and time spans with precision
  • Calendar Systems: Convert between Gregorian, Islamic, Hebrew, and other calendar systems
  • Time Zones: Convert time across global time zones and handle daylight saving changes
  • Business Planning: Calculate workdays, holidays, and business scheduling tools
  • Technical Formats: Unix timestamps, ISO dates, and programming-friendly formats

Why Choose Our Time Tools?

  • ✓ Astronomically accurate calculations
  • ✓ Support for historical and future dates
  • ✓ Multiple calendar system support
  • ✓ Real-time timezone data updates
  • ✓ Used by professionals worldwide for scheduling

Popular Use Cases

  • Personal: Age calculations, birthday planning, anniversary tracking
  • Business: Project deadlines, workday calculations, international scheduling
  • Travel: Time zone conversions, itinerary planning, jet lag management
  • Academic: Historical date research, calendar studies, time calculations
  • Technical: Programming timestamps, API date formatting, system integration