// see current time across all major cities worldwide
See current time across all major cities worldwide. Interactive timezone map viewer with live clocks, UTC offsets, and DST status. Free, browser-based.
Live clocks update every second for all 80+ major cities worldwide.
Type a city name or click a region button to narrow the view.
Click any city card to copy its current time. Toggle 12h/24h format as needed.
The Time Zone Map Viewer shows live, real-time clocks for major cities around the world. It uses your browser's built-in Intl API — no server calls required — so every clock is accurate and updates every second. UTC offsets and DST indicators help you instantly understand time differences.
The clocks use your browser's Date and Intl.DateTimeFormat APIs, which rely on your operating system clock. As long as your system time is synced (most modern OS sync via NTP), accuracy is within milliseconds.
Yes. The tool uses IANA timezone identifiers (e.g. America/New_York) which include all DST rules. The offset shown always reflects the current offset, including DST transitions.
Type in the search box — it matches city names, country names, and timezone identifiers in real time. You can also click a region button (Americas, Europe, Asia, etc.) to narrow the list.
Yes. Click the "12h / 24h" button in the controls bar to toggle formats. Your preference applies to all city clocks and your local time display simultaneously.
Click any city card. The current time for that city will be copied to your clipboard. A brief confirmation animation confirms the copy was successful.
No. Everything runs locally in your browser using the native JavaScript Intl API. No data is sent to any server. It works offline once the page is loaded.
UTC offset shows how many hours and minutes ahead or behind of Coordinated Universal Time (UTC) the city currently is. For example, UTC+9 means the city is 9 hours ahead of UTC.
The tool includes 80+ major cities across all continents: North and South America, Europe, Africa, Asia, and the Pacific. The list covers every major UTC offset from UTC-12 to UTC+14.
A Time Zone Map Viewer is a tool that displays the current local time for cities and regions across the globe, all updated in real time. Unlike static time zone references, a live viewer shows you the actual clock ticking in each location — making it invaluable for remote teams, international businesses, travelers, and anyone who needs to coordinate across borders.
This JLV DevTools Time Zone Map Viewer covers 80+ cities spanning every major UTC offset from UTC-12 (Baker Island) to UTC+14 (Kiribati). It runs entirely in your browser using the native Intl.DateTimeFormat API, so there is no server delay and no data is collected.
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For software developers, DevOps engineers, and distributed teams, time zones are a constant operational concern. Scheduling a deployment window that avoids peak traffic in every region, coordinating a standup call across New York, London, and Singapore, or parsing timestamp logs from servers in multiple data centers — all of these require a clear mental model of where every location sits relative to UTC.
Mistakes are common and costly. A developer who miscalculates a UTC offset by even one hour can schedule a database migration during a region's peak hours rather than its maintenance window. A product manager who doesn't account for Daylight Saving Time transitions can send meeting invites that miss half the attendees.
UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. It does not change for Daylight Saving Time and is used as the universal reference point. A UTC offset like UTC+5:30 means the local time in that region is 5 hours and 30 minutes ahead of UTC — which corresponds to India Standard Time (IST).
Most time zones are whole-hour offsets, but several are not. India (UTC+5:30), Nepal (UTC+5:45), Iran (UTC+3:30), Australia's central region (UTC+9:30 or UTC+10:30 during DST), and a few others use fractional offsets. This tool displays all of them accurately using IANA timezone identifiers, which capture these nuances precisely.
Daylight Saving Time is the practice of advancing clocks by one hour during summer months to extend evening daylight. Not all countries observe DST — in fact, most of the world does not. Countries near the equator (like most of Africa, Southeast Asia, and Central America) generally skip it because their day length does not vary significantly across seasons.
Countries that do observe DST include the United States, Canada, most of Europe, Australia, and New Zealand — though they do not all transition on the same dates. The US and Canada shift clocks on the second Sunday in March (spring forward) and the first Sunday in November (fall back). Europe transitions one week later. Australia transitions in October and April because it is in the Southern Hemisphere.
This tool's DST indicators always reflect the current status, not a static estimate — so you can instantly see whether a city is currently observing DST or standard time.
All modern operating systems and browsers use the IANA Time Zone Database (also called the tz database or zoneinfo) to handle time zones. This database is maintained by a volunteer team and updated several times per year to reflect political changes (when countries change their time zone rules), DST transition adjustments, and new time zones. Each zone has an identifier like Europe/London, Asia/Tokyo, or America/Chicago. The JavaScript Intl API used by this tool references the IANA database directly via the browser's implementation.
International meeting scheduling: When your team is spread across San Francisco, London, and Mumbai, a world clock view lets you instantly identify a time slot that falls within business hours for everyone — typically somewhere between 8 AM PST and 5 PM IST, which is a narrow window.
Server deployment windows: DevOps teams often schedule deployments during low-traffic periods. A world clock helps identify the global off-peak window — generally early morning in every major region simultaneously, which is rare. Many teams target UTC midnight as a compromise.
Financial markets: Traders monitoring multiple exchanges need to know when the NYSE (UTC-5/UTC-4), London Stock Exchange (UTC+0/UTC+1), and Tokyo Stock Exchange (UTC+9) overlap. The only overlap between New York and Tokyo is a very brief window; London and New York overlap for several hours.
Customer support coverage: Global SaaS companies plan support shift handoffs using time zone data to ensure 24/7 coverage without gaps.
Travel planning: Calculating how many hours ahead or behind your destination is, and what time your flight will land locally versus back home.
Always store and transmit timestamps in UTC. Never store local time in a database without an explicit timezone tag. Use ISO 8601 format (2024-11-15T09:30:00Z) for unambiguous timestamps. When displaying times to users, always convert UTC to their local timezone on the client side using their browser's locale settings. Avoid scheduling recurring meetings at times that shift when DST transitions occur — instead, anchor them to a fixed UTC time or confirm they work in all regions before and after the transition.