Time zone map
Shows the selected source and target time zones on an atlas-style world map with UTC offset bands.
FromTo
From02 Sept, 12:00London, United Kingdom - UTC+01:00
To02 Sept, 07:00New York, United States - UTC-04:00
Time Zone Converter
Convert a time between major world time zones, defaulting to your browser's current time and time zone where available.
From02 Sept, 12:00London, United Kingdom
To02 Sept, 07:00New York, United States
Offset difference5 hours behindUTC+01:00 to UTC-04:00
Converted time
Source time zoneLondon, United KingdomWed, 02 Sept 2026, 12:00 BST
Target time zoneNew York, United StatesWed, 02 Sept 2026, 07:00 GMT-4
Calendar dayCompared with the source time zone date.Same calendar day
Time zone details
Source UTC offsetEurope/LondonUTC+01:00
Target UTC offsetAmerica/New_YorkUTC-04:00
Instant in UTCSame moment expressed in UTC.Wed, 02 Sept 2026, 11:00 UTC
Assumptions
Calculation notes
- Defaults are set in the browser using the visitor's local clock and IANA time zone where available.
- Time zone conversion uses the JavaScript Intl time zone database available in the user's browser or server runtime.
- If a local clock time falls inside a daylight-saving transition, the browser runtime resolves the nearest valid instant.
Guide
How to use the Time Zone Converter
Convert a time between major world time zones, defaulting to your browser's current time and time zone where available. It is useful for answering a practical conversion or online planning question because it keeps inputs, charted outputs, notes, and related next steps on the same page.
Start by checking date, time, from time zone, and to time zone. The results update as assumptions change, so you can compare scenarios before downloading a CSV report.
Inputs
Inputs to check
- Date: The browser sets this to today's date when the page opens.
- Time: The browser sets this to your current local time when the page opens.
- From time zone: Defaults to your browser time zone where it can be detected.
- To time zone: Choose the option that best matches the case you are modelling.
FAQs
Time Zone Converter FAQs
What is the Time Zone Converter for?
Convert a time between major world time zones, defaulting to your browser's current time and time zone where available. Use it when you want a quick, editable estimate with charted results and visible assumptions.
Which assumptions should I check first?
Start with date, time, from time zone, and to time zone. Then review the calculation notes for anything the tool does not include.
Are the results exact?
The result is a practical estimate or conversion based on the entered assumptions. Check specialist sources when precision, regulation, or commercial decisions matter.
Can I keep or compare the result?
Yes. Use the Download CSV button on the calculator page to export the current inputs, headline results, detailed rows, chart data, insights, and notes.
What should I try next?
Try Units of Measurement Converter, Unix Timestamp Converter, and Ad Revenue and RPM Calculator next. These tools are linked because they use related assumptions or answer the next practical question.