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What Time Is It and What's the Date Today?
Local time in Columbus
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Weather in Columbus, United States
Air Quality Alert
Air Quality Alert issued June 4 at 12:00AM EDT by NWS Wilmington OH
Darke; Shelby; Miami; Clark; Preble; Montgomery; Greene
Expires: Jun 5, 4:00 AM
Air Quality Alert
Air Quality Alert issued June 3 at 3:37PM EDT by NWS Wilmington OH
Darke; Shelby; Miami; Clark; Preble; Montgomery; Greene
Expires: Jun 4, 7:45 PM
78.1°
Partly cloudy
Columbus, Ohio, United States
America/New_York
Updated: Jun 4, 4:49 PM
Today's Hourly
63.8°61.4°59.5°58°56.9°56°55.2°
57.1°60.6°65.1°73°79.5°78.1°87°89.1°90.5°91.1°90.4°88.5°86°82.3°78.5°75°72°
Worldwide Time Zone Converter
Global time coordination made simple. Schedule meetings, compare time zones, and manage international teams with professional-grade tools.
Our advanced converter lets you compare multiple time zones simultaneously, find overlapping work hours with an interactive slider, and export meetings directly to your calendar. Perfect for remote teams, international businesses, and anyone coordinating across different time zones worldwide.
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04:49PM
đ Time Zone Converter Guide
Compare times across different zones and explore any moment in the day
Click the up arrow to make any timezone your reference point. All time differences will be calculated from this base.
Drag the grip icon to rearrange timezones in your preferred order. Base timezone cannot be dragged but others can be reordered.
Click the X button to delete a timezone from your comparison. Cannot remove if it's the only one left.
Use the slider below to explore different times. Drag to see how times change across all zones simultaneously.
View hour tiles showing the full 24-hour day. Use the time slider to navigate through different hours. Darker tiles indicate nighttime hours.
Switch between 12h/24h format and choose "Each" to set different formats per timezone or "All" to apply the same format to all zones.
đĄ Pro tip: Add more timezones using the search above, then set one as your base to see all time differences at a glance!
Understanding Time Zones
Time zones are regions where everyone uses the same standard time. The world has 24 main time zones, each about 15 degrees of longitude apart - that's one hour of difference. If you work with people around the world, travel internationally, or just want to call someone overseas at a reasonable hour, knowing how time zones work really helps.
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đ How Time Zones Work
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UTC as the reference: Coordinated Universal Time (UTC) is the primary time standard. All time zones are expressed as offsets from UTC, like UTC+5:30 (India) or UTC-8 (Pacific Time).
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Based on longitude: Earth rotates 360 degrees in 24 hours, or 15 degrees per hour. Time zones generally follow this pattern, though political boundaries often override geography.
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Political boundaries matter: Countries pick their time zones for political and economic reasons, not just geography. China, for example, uses just one time zone even though it's wide enough for five.
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Half-hour and 45-minute offsets: Not all time zones are whole hours from UTC. India (UTC+5:30), Nepal (UTC+5:45), and parts of Australia use fractional offsets.
đ¤ Interesting Facts
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United States time zones: The continental US has four main time zones: Eastern (UTC-5), Central (UTC-6), Mountain (UTC-7), and Pacific (UTC-8). With Alaska and Hawaii, the US spans 6 time zones total.
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Canada spans 6 time zones: From Pacific (UTC-8) to Newfoundland (UTC-3:30), Canada covers 6 time zones. Newfoundland Time is unique with a 30-minute offset instead of a full hour.
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Australia's time zone variety: Australia has multiple time zones with half-hour offsets. Central Australia uses UTC+9:30, creating unique scheduling challenges across the continent.
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France has 12 time zones: Due to its overseas territories, France observes more time zones than any other country, spanning from UTC-10 to UTC+12.
Complete Time Zone Reference
The world runs on different clocks, and understanding time zones helps you stay connected. Whether you need to check what time it is in Tokyo or figure out when your London meeting starts in your local time, our complete time zone reference has you covered. Browse by UTC offset or use the standardized IANA identifiers that power your devices.
UTC Offsets
Time zones expressed as hours ahead or behind Coordinated Universal Time (UTC). Ranges from UTC-12 to UTC+14 with some half-hour and 45-minute variations.
- UTC-8
- UTC-5
- UTC+0
- UTC+1
- UTC+5:30
- UTC+9
IANA Time Zones
Standardized identifiers like "America/New_York" or "Europe/London" that account for historical changes and daylight saving rules automatically.
- America/New_York
- Europe/London
- Asia/Tokyo
- Australia/Sydney
Daylight Saving Time Explained
Daylight Saving Time (DST) is when we move clocks forward in warmer months so it stays light later in the evening. The idea is to save energy and make better use of daylight. But here's the tricky part: not every country does this, and the ones that do change their clocks on different dates. This makes scheduling international meetings even more confusing.
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đ How DST Works
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Spring forward, fall back: Clocks are typically advanced by one hour in spring (losing an hour of sleep) and set back one hour in fall (gaining an hour).
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Different transition dates: The US changes on the second Sunday in March and first Sunday in November, while Europe changes on the last Sundays of March and October.
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Not universal: Most countries near the equator don't bother with DST. Why? Because their daylight hours stay pretty much the same all year.
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Energy savings debated: While originally intended to save energy, modern studies show mixed results. Some countries have abolished DST citing minimal benefits.
đ DST Around the World
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Europe reconsidering: The European Union voted to abolish DST in 2019, though implementation has been delayed. Individual countries may choose whether to stay on permanent summer or winter time.
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Australia partial adoption: Only some Australian states observe DST. Queensland, Northern Territory, and Western Australia do not change their clocks.
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Brazil ended DST: Brazil observed DST for decades but permanently abolished it in 2019, citing confusion and minimal energy savings as reasons.
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US considers year-round DST: Several US states have passed legislation to adopt permanent DST, but it requires federal approval. Many Americans support ending the twice-yearly clock changes.
đĄ Important for Travelers & Remote Teams
When scheduling international meetings or booking travel, always verify whether DST is in effect for each location. A meeting scheduled as "9 AM EST" might shift by an hour if one location observes DST and another doesn't, or if they change on different dates. Use our time zone converter above, which automatically handles DST transitions for accurate scheduling.
International Date Line & Time Boundaries
The International Date Line is an imaginary line that runs from the North Pole to the South Pole, roughly following the 180° meridian in the Pacific Ocean. When you cross it, you jump forward or backward by one full day. This leads to some weird situations - like neighboring islands that are only a few miles apart but exist on completely different calendar days.
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đ How the Date Line Works
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Crossing eastward: When you cross the IDL traveling eastward (from Japan toward the US), you subtract a day. For example, jumping from Sunday to Saturday.
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Crossing westward: When crossing westward (from the US toward Asia), you add a day. You might leave on Monday and arrive on Wednesday, despite the flight being shorter than 24 hours.
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Not a straight line: The IDL deviates from the 180° meridian to avoid splitting countries. It zigzags around territories to keep them on the same calendar day.
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UTC+12 meets UTC-12: On either side of the date line, time zones are UTC+12 and UTC-12, which represent the same clock time but different calendar days.
đď¸ Unusual Situations
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Samoa's historic jump: In 2011, Samoa skipped December 30 entirely, jumping from December 29 to December 31 to align with trading partners Australia and New Zealand instead of the US.
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Kiribati's extreme zones: Kiribati spans three time zones (UTC+12, +13, +14), with UTC+14 being the earliest time zone on Earth, 26 hours ahead of the latest (UTC-12).
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Pacific islands strategy: Some Pacific island nations have strategically chosen their side of the date line for economic reasons - to align business days with major trading partners like Australia and New Zealand.
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Tonga and Fiji neighbors: Despite being only about 500 miles apart, Tonga (UTC+13) and parts of Fiji (UTC+12) can be on different calendar days, especially during DST transitions.
đ First Place to See the New Year
Kiribati's Line Islands (UTC+14) are among the first inhabited places on Earth to enter each new day and celebrate the New Year. Meanwhile, American Samoa (UTC-11) and Baker Island (UTC-12) are among the last. This creates a 26-hour difference between the first and last places to welcome each new day, despite being relatively close geographically in the Pacific.
Explore Continents & Countries
From New York to Tokyo, London to Sydney â every country runs on its own clock. Browse by continent to explore regions, or jump straight to our full country list to find any capital city in the world. Check local times, time zones, and everything you need to stay in sync.
50 Largest Cities in the World
Check current time in the most populous metropolitan areas worldwide
Time and Date Online Service
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Ever found yourself asking "What's today's date?" or "What time is it in another country?" You're in the right place. We provide accurate, real-time information for cities and countries worldwide - from the current time down to the exact seconds, to today's date with the day, month, and year for any location you need. Our platform displays the current clock time for every major city, helping you answer questions like "what day is it today in London?" or "what's the time difference between New York and Sydney?" in seconds.
Whether you're coordinating with a remote team across multiple time zones, planning international travel, or scheduling a call with someone overseas, our tools handle the complexity for you. We track time zone differences, daylight saving changes throughout the year, and keep you updated with precise clock times - hours, minutes, and seconds - so you never miss important meetings or events across different regions.
Check the exact date and time online for any city, compare time zones side by side, and plan ahead with confidence. Our service includes current local time for major cities like Los Angeles, Chicago, Toronto, London, Paris, Dubai, Singapore, Tokyo, and hundreds more. Whether you need to know the time right now or plan for future dates, we provide the numbers you need - day, month, year, and precise clock time - all updated in real-time.
Professional Stopwatch
Need to time something down to the millisecond? Our free online stopwatch gives you precise timing with a clean, easy-to-use interface. Perfect for workouts, cooking, presentations, games, or any situation where accurate timing matters. Record multiple lap times and track your progress with just a click.
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Free Widgets for Your Website
Add stylish clocks and countdown timers to your blog, online store, or personal website in just a few clicks. Pick from classic analog designs, modern digital displays, retro flip clocks, glowing neon styles, festive holiday themes, and event countdowns. Customize colors, timezone, and display options to match your site perfectly. No technical skills needed - just choose your favorite style, copy the code, and paste it. Completely free, works everywhere.
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- 2 Visit the location's page to see current time and details
- 3 Click the button to add it to your favorites
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