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Free Timezone Converter & Time Difference Calculator

Convert time between cities and time zones in seconds. Check the time difference, confirm the current UTC offset, and avoid daylight saving time (DST) mistakes before meetings, travel, or live events.

Select time to convert
Time Difference -

Popular Timezone Conversions

Quick links to the most-searched timezone pairs — each page includes a 24-hour chart, meeting scheduler, and full FAQ.

How to Convert Time Zones

Three steps to get an accurate converted time, including the right daylight saving offset.

1
Select "From" Timezone

Click the first dropdown and search by timezone code (EST, IST), city name, or country. The current time in that zone loads automatically.

2
Select "To" Timezone

Pick the destination timezone. Use the Swap button to instantly reverse the conversion when you need to check the other direction.

3
Read the Converted Time

The result appears instantly with the correct date if it crosses midnight. The time difference shows the exact gap in hours between both zones.

Why Use This Timezone Converter

Built for the common situations where the wrong time costs you a missed meeting or a midnight call.

International Meeting Scheduling

Check whether a proposed time falls in business hours for every participant before you send the invite.

Travel Planning

See your arrival time locally and at home. Plan calls, airport pickups, and hotel check-ins without guessing.

DST-Aware Conversion

The converter applies the correct daylight saving time offset for the date you enter — not just a fixed UTC offset that goes stale.

Live Events & Broadcasts

Sports, webinars, and launches are announced in one timezone. Convert the time and see the correct day and local hour instantly.

Cross-Midnight Awareness

Results show "next day" or "previous day" so you always know the correct calendar date, not just the hour.

Free, No Account Needed

No sign-up, no app download, no paywalled features. Works on desktop, tablet, and mobile in any modern browser.

Frequently Asked Questions

Answers about UTC offsets, daylight saving time, half-hour timezones, cross-midnight results, and ambiguous abbreviations like IST.

What's the difference between EST and EDT?
EST (Eastern Standard Time) is UTC−5 and applies during winter months. EDT (Eastern Daylight Time) is UTC−4 and applies during daylight saving time in summer. This converter automatically applies the correct offset for the date you enter.

Does this converter handle half-hour and 45-minute offsets?
Yes. India Standard Time (IST) is UTC+5:30, Newfoundland Standard Time (NST) is UTC−3:30, and Nepal Standard Time (NPT) is UTC+5:45. All non-whole-hour offsets are fully supported.

What happens when the converted time crosses midnight?
The converter shows 'next day' or 'previous day' next to the result so you always know the correct calendar date. This is especially useful for flight arrivals, international meeting invites, and shift schedules.

What is the difference between GMT and UTC?
GMT (Greenwich Mean Time) and UTC (Coordinated Universal Time) share the same zero offset and are interchangeable for most everyday purposes. The technical difference is that UTC is an atomic time standard while GMT is based on Earth's rotation. Both are UTC+0.

How many timezones are supported?
This converter supports 50+ commonly used timezone abbreviations across North America, Europe, Asia, Australia, Africa, South America, and the Middle East. Use the search box to find a zone by abbreviation (EST, IST, JST), country name, or city reference.

Why does the time difference change on certain dates?
Different countries change their clocks for daylight saving time (DST) on different dates — or not at all. For example, the US and UK both observe DST but change on different Sundays, so the EST–GMT gap changes twice a year. Always check with a specific date to get the accurate offset.

How do I find a good meeting time across time zones?
Select your timezone in the 'From' field, set the time you are considering, and pick the other participant's timezone in the 'To' field. The converted time tells you what the clock shows for them. Aim for converted times between 9 AM and 6 PM on a weekday for business calls.

What is IST? Is it India or Ireland?
IST is ambiguous — it stands for India Standard Time (UTC+5:30), Irish Standard Time (UTC+1), and Israel Standard Time (UTC+2). In practice, when people say IST without context they almost always mean India Standard Time. This converter lists the full name next to each abbreviation so you can confirm before converting.

Can I convert a specific date in the past or future?
Yes. Change the date in the 'Date & Time' field to any past or future date. The converter uses the correct UTC offset for that specific date, accounting for whether daylight saving time was or will be in effect.

What is UTC and why is it used as a reference?
UTC (Coordinated Universal Time) is the international time standard at zero offset. All other timezones are defined as a positive or negative number of hours from UTC — for example, IST is UTC+5:30 and PST is UTC−8. UTC is used in aviation, computing, and global communications because it never observes daylight saving time.

World Clock — Current Time in Major Cities

Live local time updated every second. Click any city for full timezone details, UTC offset, and daylight saving time (DST) information.

Americas

New York
--:--
EST/EDT
Los Angeles
--:--
PST/PDT
Chicago
--:--
CST/CDT
Toronto
--:--
EST/EDT
São Paulo
--:--
BRT

Europe & Africa

London
--:--
GMT/BST
Paris
--:--
CET/CEST
Berlin
--:--
CET/CEST
Moscow
--:--
MSK
Lagos
--:--
WAT

Middle East & Asia

Dubai
--:--
GST
Mumbai
--:--
IST
Bangalore
--:--
IST
Singapore
--:--
SGT
Hong Kong
--:--
HKT
Beijing
--:--
CST

Asia Pacific

Tokyo
--:--
JST
Seoul
--:--
KST
Sydney
--:--
AEST/AEDT
Melbourne
--:--
AEST/AEDT
Auckland
--:--
NZST/NZDT

Timezone Converter Guides and Scheduling Tips

Read practical guides about timezone conversion, daylight saving time (DST), world clock use, and scheduling across regions.

Best Time for Meetings Across US, UK, and India Time Zones

Scheduling a three-way meeting across US, UK, and India is notoriously difficult. Here are the actual overlap windows and the best compromise times.

JST to IST: Japan to India Time Conversion Guide

Japan Standard Time is 3 hours and 30 minutes ahead of India Standard Time. Neither country uses daylight saving, so the offset is the same every day of the year.

Singapore to India Time Difference: SGT to IST Conversion Guide

Singapore is exactly 2 hours and 30 minutes ahead of India. Neither country observes daylight saving time, so this offset stays the same all year round.

GMT vs UTC: What Is the Difference and When Does It Matter?

GMT and UTC display the same time but one is a time zone and the other is a time standard. Here is why the distinction matters and when to use each.

Australia Time Zones Explained: AEST, ACST, AWST, and Daylight Saving

Australia spans three main time zones with two DST variants and a confusing 30-minute offset. Here is exactly which states use which zone and how to convert.

EST to IST: US to India Time Conversion Cheat Sheet

IST is 10 hours and 30 minutes ahead of EST, but the gap shrinks to 9:30 during US daylight saving time. Here's a complete conversion table and the best hours for US-India meetings.

Reviewed by Editorial team Updated