Date & Time Calculators

👶

Age Calculator

Calculate age in years, months, days

📅

Date Calculator

Add/subtract days from date

🌎

Time Zone Converter

Convert between time zones

⏱️

Countdown Timer

Countdown to any date

⏱️

Stopwatch

Track elapsed time

📊

Days Between Dates

Calculate days between two dates

🌍

World Clock

Current time worldwide

🤝

Meeting Planner

Find best meeting times

👶

Age Calculator

📅

Age in Days

🗓️

Age in Months

📆

Age in Weeks

⏰

Age in Hours

⏱️

Age in Minutes

⚡

Age in Seconds

🎂

Next Birthday

🎉

Birthday Countdown

🥳

Half Birthday

🐕

Dog Age Calculator

🐱

Cat Age Calculator

🐾

Pet Age Calculator

👴

Retirement Age Calculator

📈

Life Expectancy Calculator

📅

Date Calculator

📊

Days Between Dates

💼

Business Days Calculator

👔

Working Days Calculator

🏖️

Weekend Days Calculator

🎄

Holiday Calculator

⚖️

Date Difference

➕

Add Days to Date

➖

Subtract Days from Date

📅

Add Weeks to Date

🗓️

Add Months to Date

📅

Add Years to Date

📆

Date to Day of Week

🌞

Day of Year

📅

Week Number

📊

Quarter Calculator

💰

Fiscal Year Calculator

🎓

Academic Year Calculator

💸

Tax Year Calculator

⏱️

Time Duration Calculator

➕

Time Adder

➖

Time Subtractor

✖️

Time Multiplier

➗

Time Divider

🔢

Decimal to Time

⏰

Time to Decimal

⏲️

Hours to Minutes

⏰

Minutes to Hours

⚡

Seconds to Minutes

⏱️

Minutes to Seconds

⏰

Hours to Seconds

⚡

Seconds to Hours

🌎

Time Zone Converter

🌍

World Clock

🤝

Meeting Planner

🗺️

Time Zone Map

🌞

Daylight Saving Calculator

🕒

UTC Converter

⏰

GMT Converter

🇮🇳

IST Converter

🇺🇸

EST Converter

🇺🇸

PST Converter

🇺🇸

CST Converter

🇺🇸

MST Converter

⏱️

Countdown Timer

⏱️

Stopwatch

🔄

Interval Timer

🍅

Pomodoro Timer

🥚

Egg Timer

🍵

Tea Timer

☕

Coffee Timer

🏋️

Workout Timer

📚

Study Timer

🧘

Meditation Timer

📅

Calendar Generator

🗓️

Monthly Calendar

📅

Yearly Calendar

♾️

Perpetual Calendar

🌙

Moon Phase Calendar

🌅

Sunrise Sunset Calculator

🍂

Season Calculator

🌞

Equinox & Solstice Calculator

♈

Zodiac Calculator

🐀

Chinese Zodiac Calculator

💝

Anniversary Calculator

💒

Wedding Anniversary

💼

Work Anniversary

👴

Retirement Date Calculator

🤰

Due Date Calculator

👶

Pregnancy Calculator

❤️

Conception Calculator

🌸

Fertility Calculator

📊

Ovulation Calculator

🔄

Menstrual Cycle Calculator

📋

Project Deadline Calculator

✅

Task Scheduler

🎯

Milestone Calculator

📊

Gantt Chart Generator

📅

Timeline Generator

⏰

Deadline Calculator

⏱️

Countdown to Deadline

👨‍💼

Work Hours Calculator

💰

Overtime Calculator

🏖️

Time Off Calculator

🏛️

Historical Date Calculator

📜

Century Calculator

📅

Decade Calculator

⏳

Millennium Calculator

🏺

Era Calculator

📅

Julian Date Calculator

🗓️

Gregorian Calendar Converter

🌙

Hijri Calendar Converter

✡️

Hebrew Calendar Converter

🐉

Chinese Calendar Converter

⭐

Sidereal Time Calculator

☀️

Solar Time Calculator

🌙

Lunar Time Calculator

✨

Star Time Calculator

🪐

Planet Time Calculator

🚀

Space Time Calculator

💫

Light Travel Time

🌌

Astronomical Unit Calculator

🌠

Parsec Calculator

✨

Light Year Calculator

🕐

12 to 24 Hour Converter

🕒

24 to 12 Hour Converter

🎖️

Military Time Converter

💻

Unix Timestamp Converter

📅

ISO 8601 Converter

📧

RFC 2822 Converter

📅

RFC 3339 Converter

⚛️

Atom Date Converter

📰

RSS Date Converter

🌐

HTTP Date Converter