time-date Verified Precision Tool
World Weather & Location Finder
Live global weather forecasts, real time digital & analog IANA clocks, and geodesic city distances with GPS location detection.
🇮🇳
Surat
, IndiaAsia/Kolkata ()
Local Time
🗺️ Interactive Global Weather & Location Map
Real geographic OpenStreetMap layer showing live world weather pins. Click any city pin to view forecast.
Map Data © OpenStreetMap ContributorsOpen-Meteo Weather API Integration
World Weather & Distances
Reference Origin: Surat🇺🇸
UTC-4:00New York
United States09:02 AMTue
From Surat📍 12,327 km
🇺🇸
UTC-7:00Los Angeles
United States06:02 AMTue
From Surat📍 13,764 km
🇺🇸
UTC-5:00Chicago
United States08:02 AMTue
From Surat📍 12,722 km
🇺🇸
UTC-6:00Denver
United States07:02 AMTue
From Surat📍 13,238 km
🇨🇦
UTC-4:00Toronto
Canada09:02 AMTue
From Surat📍 12,269 km
🇨🇦
UTC-7:00Vancouver
Canada06:02 AMTue
From Surat📍 12,023 km
🇲🇽
UTC-6:00Mexico City
Mexico07:02 AMTue
From Surat📍 15,416 km
🇧🇷
UTC-3:00São Paulo
Brazil10:02 AMTue
From Surat📍 13,831 km
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UTC-3:00Buenos Aires
Argentina10:02 AMTue
From Surat📍 15,045 km
🇺🇸
UTC-10:00Honolulu
United States03:02 AMTue
From Surat📍 12,763 km
🇺🇸
UTC-8:00Anchorage
United States05:02 AMTue
From Surat📍 10,092 km
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UTC-4:00Santiago
Chile09:02 AMTue
From Surat📍 16,183 km
🇨🇴
UTC-5:00Bogotá
Colombia08:02 AMTue
From Surat📍 15,400 km
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UTC+1:00London
United Kingdom02:02 PMTue
From Surat📍 7,014 km
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UTC+2:00Paris
France03:02 PMTue
From Surat📍 6,840 km
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UTC+2:00Berlin
Germany03:02 PMTue
From Surat📍 6,103 km
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UTC+2:00Madrid
Spain03:02 PMTue
From Surat📍 7,390 km
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UTC+2:00Rome
Italy03:02 PMTue
From Surat📍 6,029 km
🇳🇱
UTC+2:00Amsterdam
Netherlands03:02 PMTue
From Surat📍 6,672 km
Mathematical Formula
Geodesic Distance = 2R * arcsin(sqrt(sin^2(dLat/2) + cos(lat1)*cos(lat2)*sin^2(dLon/2)))
Overview & Explanation
Unified location discovery system integrating live Open-Meteo weather forecasts, real-time digital and analog clocks across IANA time zones, and Haversine geodesic distances.
How It Works
- Uses browser Geolocation API to auto-detect location or accepts manual city search fallback.
- Queries Open-Meteo REST API for live weather, temperature, humidity, wind, and 7-day forecasts without storing private data.
- Calculates real-time local clocks via Intl.DateTimeFormat and geodesic distances via the Haversine formula.
Practical Applications
- Checking live weather and local time before international travel.
- Scheduling calls with remote team members across global time zones.
- Calculating exact flight or driving distances between world cities.
Worked Example: Surat, India to London, UK
Calculate live time, distance, and weather.
1
Evaluate Haversine Geodesic Distance
Apply spherical Law of Haversines with Earth Radius R = 6,371 km
= 7,300 km (4,536 miles)
2
Compare IANA Clocks & Weather
Asia/Kolkata (UTC+5:30) vs Europe/London (UTC+1/BST)
= London is 4.5 hours behind Surat
Frequently Asked Questions
How does CalcyZone detect my location?
CalcyZone uses your browser native Geolocation API with explicit permission. If denied, a simple manual search lets you select your city.
Does CalcyZone need GPS?
GPS is optional. If location permission is disabled, you can manually search for any city to use as your reference origin.
Can I use World Weather without location permission?
Yes. You can search any city manually and set it as your starting location.
Where does CalcyZone get weather data?
Live weather metrics are fetched from the Open-Meteo weather API service.
Is the weather information live?
Yes. Temperature, humidity, wind, and forecasts are updated live.
How does CalcyZone calculate distance between cities?
Distances are calculated using the Haversine formula based on exact latitude and longitude coordinates.
How does CalcyZone calculate local time?
Local times are computed directly in your browser using official IANA time zone rules and native Intl.DateTimeFormat.
Does CalcyZone account for daylight saving time?
Yes. Clocks automatically adjust for Daylight Saving Time transitions.
Can I search for another city?
Yes. Use the search bar to query any city or country worldwide.
Can I change Celsius to Fahrenheit?
Yes. Use the unit toggle at the top to switch between Celsius and Fahrenheit.
Can I change kilometers to miles?
Yes. Use the unit toggle at the top to switch between kilometers and miles.
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