3 timezones
Today's Highlights
Explore 39+ Tools
Time zones, astronomy, calculators, weather, and more — all free, no sign-up required.
News
Historical events, holidays, and fun dates from around the world.
World Clock
See the time around the world and track differences between zones.
World Clock
See the current time across multiple cities at a glance with real-time updates.
Time Difference
Calculate the exact time difference between any two cities or time zones.
TZ Abbreviations
Searchable reference of all timezone abbreviations with UTC offsets and DST info.
DST Alerts
Get notified about upcoming daylight saving time changes in your tracked zones.
Time Zones
Convert, schedule, and coordinate across time zones.
Time Converter
Convert times between any two time zones instantly with an interactive timeline.
Event Announcer
Announce an event time across 12+ time zones simultaneously. Shareable.
Meeting Scheduler
Find the perfect meeting time across multiple time zones with working hours overlap.
Recurring Meetings
Schedule recurring meetings that account for DST changes across time zones.
Calendar
Calendars, date math, and day-of-the-week tools.
Calendar
Full-featured monthly calendar with holidays and event tracking.
Printable Calendar
Generate and download monthly PDF calendars with customizable styles and options.
Date Duration
Calculate the exact number of days, weeks, and months between any two dates.
Weekday Calculator
Find out what day of the week any date falls on, past or future.
Week Number
Get the ISO week number for any date with year progress and week boundaries.
Weather
Current conditions, forecasts, historical data, and climate averages.
Weather
Current conditions, 14-day forecast, and 48-hour hourly weather for cities worldwide.
Worldwide
See current weather for 30+ major cities around the world at a glance.
Local Weather
Auto-detect your location and get full weather conditions, forecast, and hourly data.
2-Week Forecast
Detailed 14-day forecast with feels-like temp, UV index, and sunrise/sunset times.
Hour-by-Hour
48-hour hourly weather forecast grouped by day with temperature, humidity, and wind.
Past Week
Historical weather data for the past 7 days with temperatures and conditions.
Climate
Monthly climate averages with temperature and precipitation based on the last 5 years.
Sun, Moon & Space
Astronomy, celestial events, and sky maps.
Sunrise & Sunset
Get accurate sunrise, sunset, and golden hour times for any city.
Moon Phases
Current moon phase, illumination, moonrise/moonset times, and upcoming phases calendar.
Eclipses
Upcoming solar and lunar eclipses with dates, types, and countdown timers.
Day & Night Map
Real-time world map showing the day/night terminator line and sun position.
Moonlight Map
World map showing the current moon position and illuminated regions.
Night Sky
Interactive star chart showing ~100 brightest stars and constellation lines for your location.
Meteor Showers
Annual meteor shower calendar with peak dates, rates, and moon conditions.
Seasons
Equinox and solstice dates for both hemispheres with countdown to the next season.
Timers
Stopwatches, countdowns, and alarm clocks.
Calculators
Age, distance, date patterns, and number tools.
Age Calculator
Find your exact age in years, months, days — plus fun facts like heartbeats and breaths.
Roman Numerals
Convert between decimal numbers and Roman numerals with a quick reference table.
Distance Calculator
Calculate the great-circle distance between any two cities in km, miles, and nautical miles.
Date Patterns
Discover palindrome dates, sequential dates, and other fun date patterns.
Leap Year
Check if any year is a leap year and see nearby leap years at a glance.