World Clock · Timezone Converter · Date Calculators
Sunday
May 3, 2026
Week 2 · 2026
World Clock
Explore all →World Clock
Current local time around the world. See time for 124 cities across every timezone.
Timezone Converter
Calculate the exact time difference between two cities or time zones.
Meeting Planner
Find the best overlap time for a meeting across multiple international time zones.
Time Zone Map
Visual world map of all time zones with live DST adjustments.
Meeting Planner
Schedule global meetings. See availability across teams in different countries.
DST Changes
Track upcoming Daylight Saving Time changes and their effect on UTC offsets.
Calculators & Timers
Explore calculators →Date to Date Calculator
How many days between two dates? Includes business days and weeks.
Date Calculator
Add or subtract days, months, or years from a specific date.
Age Calculator
Calculate exact age in years, months, and days.
Week Number
Date math, countdown timers, and stopwatches
Timers
All Timers →Sun, Moon & Space
Explore astronomy →Sunrise & Sunset
Exact local sunrise, sunset, solar noon, golden hour, and civil twilight times.
Moon Phases
Full moon, new moon, and quarter moon dates. Illumination and age for any date.
City Weather
Current conditions and 5-day forecasts for 124 cities worldwide.
Day Length
How long is today? Track daylight hours and see how they change through the year.
Calendar
Holidays worldwide →Latest Updates
Why Daylight Saving Time Exists (And Why Many Countries Have Abolished It)
Jan 28
How Moon Phases Affect Tides: The Science Explained
Mar 1
What Is UTC? Understanding Coordinated Universal Time
Feb 5
EST Time Zone: The Complete Guide to Eastern Standard Time
Mar 5
Latest Articles
All articles →How Time Zones Work: A Complete Guide
Everything you need to know about time zones — from the history of standardization to how IANA manages the global timezone database today.
Why Daylight Saving Time Exists (And Why Many Countries Have Abolished It)
The surprising history of daylight saving time, the arguments for and against it, and which countries have decided to do away with it entirely.
How Moon Phases Affect Tides: The Science Explained
Discover the gravitational relationship between the Moon, Sun, and Earth's oceans. Learn why tides are highest during full and new moons.