World Time Converter
Convert time zones instantly, track multiple cities, and access comprehensive time tools.
Search Time Zones
Find a city or timezone quickly
Why Choose WorldTimeConverter?
Accurate & Reliable
Daylight saving time is applied automatically using IANA timezone data, so you don't have to look up offsets by hand.
Fast & Simple
Clean interface with no clutter. Get instant results without unnecessary complexity or signup friction.
10+ Time Tools
Beyond conversion: world clock, meeting scheduler, epoch converter, forex hours, military time, and more.
What Is a World Time Converter?
A world time converter translates a specific time from one time zone into its equivalent in another. Type in “9:00 AM New York” on a winter morning and it instantly shows you 2:00 PM London, 7:30 PM Mumbai, and 11:00 PM Tokyo. Ask the same question in summer and London stays at 2:00 PM while Mumbai and Tokyo each shift an hour earlier, since only the US and UK observe daylight saving here.
That sounds simple. The hard part is that time zones don't all offset by whole hours. India is UTC+5:30, Iran is UTC+3:30, Nepal is UTC+5:45. Australia has three mainland zones, and only some states observe DST. And the US and EU change their clocks on different dates, creating a window of roughly one to three weeks every spring and autumn where every US-Europe conversion is off by an hour if you rely on memory.
A good time converter handles all of this automatically. No mental arithmetic, no DST lookup, no wondering whether a country switched last weekend. You enter the time, pick the zones, and get the answer.
📊 In a study of over 12,000 employees at a multinational company, 43% of real-time work communication happened when at least one person was outside their normal business hours. Source: Harvard Business School Working Knowledge
How to Convert Time Zones in 3 Steps
- 1
Open the Time Zone Converter
Go to the Time Zone Converter. Type a city, country, or abbreviation (EST, PST, GMT, IST) into the search box to add your first time zone.
- 2
Add your zones and set the time
Add up to 5 time zones side by side, then set the date and time by typing it or dragging the timeline. The tool covers 130+ locations including EST, PST, IST, JST, AEST, and CET.
- 3
Read the result instantly
Every zone you added updates to match, with the correct date shown when the conversion crosses midnight. DST is applied automatically based on the actual calendar date you select.
The Most Common Time Zone Pairs
| Conversion | Offset (Standard) | Who Uses It |
|---|---|---|
| EST → IST | +10h 30m | US East Coast ↔ India teams |
| EST → GMT | +5h | New York ↔ London calls |
| PST → IST | +13h 30m | US West Coast ↔ India |
| GMT → IST | +5h 30m | UK ↔ India remote teams |
| New York → Sydney | +14h to +16h (varies with DST) | US ↔ Australia (near-zero overlap) |
| UTC → ET | −5h (EST) / −4h (EDT) | Developers, server logs |
| UTC → PT | −8h (PST) / −7h (PDT) | Developers, server logs |
| EST → PST | −3h | US cross-country scheduling |
World Time Converter vs Manual Calculation
A quick search will tell you the current time in Tokyo. Planning is harder: working out what your 3 PM becomes in Tokyo next Thursday, across several zones at once and with DST changes in between, is where a dedicated converter saves time.
Manual calculation works until it doesn't. US Eastern Time is UTC−5 (EST) in winter but UTC−4 (EDT) in summer. GMT is UTC+0 year-round but the UK switches to BST (UTC+1) in summer. India is UTC+5:30 always. If you're converting Eastern Time to IST in March, the offset changes on the second Sunday, but only on the US side. India doesn't observe DST at all.
A world time converter removes all of that from your mental load. Pick the zones, pick the date, read the result. It's the difference between a 30-second task and a 5-minute exercise in timezone arithmetic that still might have an error.
Tools for Every Time Zone Need
From the Blog
See all articles →The Strangest Time Zones in the World (and the Real Reasons Behind Them)
Common Time Zone Scheduling Mistakes (and How to Avoid Them)
DST Rules by Country: The Complete Guide (Including the Weird Exceptions)
How to Convert Time Zones in Excel (With Formulas)
What Is a Time Zone? How They Work and Why There Are More Than 24
Best Meeting Time for US and India Teams (EST, CST, PST to IST)
Daylight Saving Time 2026: When Does It Start and End?
UTC vs GMT: What's the Difference and When Does It Matter?
About This Site
Every tool here is free and works without an account or signup. The site is supported by advertising. It is built and maintained by Saurabh; the About page explains how the data is sourced and checked, and the FAQ page answers questions about how the tools work.