Last updated: March 23, 2026
CurrentTimeIn provides real-time local time for 195 countries and over 5,000 cities worldwide. Every clock on this site updates every second, drawing on the IANA Time Zone Database, the same authoritative source your phone, laptop, and every major operating system uses to display correct local time.
195
Countries
5,000+
Cities
600+
IANA Zones
6
Languages
Accurate timezone information should be fast, accessible, and free. CurrentTimeIn answers "what time is it in [city]?" in under a second, without ads covering the answer, without requiring an account, and without serving stale data.
The site supports English, German, Portuguese, Japanese, French, and Spanish. The top 500 cities by population are pre-built at deployment time. Remaining cities are generated on-demand and cached.
Every clock updates every second using your browser's system time combined with IANA timezone rules. Accurate to within 1 second, assuming your device clock is NTP-synchronized.
Each city page shows current local time, UTC offset, DST status, timezone abbreviation, and the time difference from your location.
Compare the current time between any two cities. See the hour difference, overlapping business hours, and the best time to schedule a call.
Available in English, German, Portuguese, Japanese, French, and Spanish. City and country names are localized per language.
All timezone rules, UTC offsets, and DST transition dates come from the IANA Time Zone Database (also known as tz database, zoneinfo, or Olson database). This public-domain database is updated multiple times per year as governments announce timezone changes. It covers 600+ named timezone regions, each identified by a canonical name like America/New_York or Asia/Tokyo, with historical records going back to 1970.
City names, populations, and geographic coordinates come from GeoNames, a geographical database of over 25 million places worldwide (Creative Commons Attribution 4.0 license). We include cities with population over 1,000, giving coverage of approximately 166,000 populated places globally.
Country names, capitals, ISO codes, continents, and calling codes come from the REST Countries API, which aggregates data from authoritative sources including the UN, ISO, and national statistics offices. We cover all 195 UN-recognized countries plus key territories.
Time arithmetic uses Luxon, a JavaScript date/time library that wraps the browser's native Intl.DateTimeFormat API. Time conversions use the same IANA data baked into your browser or operating system. There is no proprietary timezone database on our end; everything traces back to IANA.
CurrentTimeIn is built with Next.js App Router using a combination of static generation (SSG) and Incremental Static Regeneration (ISR). The 195 country pages and top 500 city pages (in 6 languages each) are pre-built at deploy time: approximately 3,200 pages generated before any user visits. Remaining cities are generated on-demand when first requested, then cached for 1 hour before being regenerated.
The clocks display time using your browser's system clock. They are accurate to within 1 second of the correct local time, assuming your device clock is synchronized with a time server (which modern devices do automatically via NTP or similar protocols). We rely on the browser's Date API combined with IANA timezone rules for timezone conversion.
| Framework | Next.js (App Router) |
| Language | TypeScript |
| Styling | Tailwind CSS |
| Time Library | Luxon |
| Hosting | Hetzner VPS via Coolify + Docker |
| CDN | Cloudflare |
CurrentTimeIn is maintained by a small editorial team focused on timezone accuracy and content quality. We monitor IANA database updates and apply timezone changes to our data within 48 hours of publication. Our content team researches and writes the timezone context, business hours guidance, and DST explanations on each page.
If you notice a data error (an incorrect UTC offset, a wrong city name, or an outdated DST rule), please report it using our Contact page. We take data accuracy seriously and will investigate all reports within 48 hours.
Data Corrections
corrections@currenttimein.netGeneral Inquiries
hello@currenttimein.net