Time Zone Converter

Pick a date, a time, and two cities, and this converter tells you the matching local time on the other side of the world, weekday and calendar date included.

What is the Time Zone Converter?

The Time Zone Converter maps a wall-clock time in one city onto the wall-clock time in another, drawing on a list of more than 90 countries running alphabetically from Afghanistan to Zimbabwe. Because it works from named zones such as America/New_York and Asia/Tokyo rather than from a fixed number of hours, your browser applies whichever daylight saving rule was actually in force on the date you entered. That is why the date field matters as much as the time field: the same 9 in the morning meeting can land an hour apart in March and in July.

Key Features

• Country and city menus covering more than 90 countries worldwide
• Daylight saving applied automatically for the exact date you enter
• Result shows weekday and full date, so overnight rollovers are obvious
• Quick chips set the source zone to eight common business hubs
• Times print in 24-hour format, removing any AM or PM ambiguity

Common Use Cases

• Scheduling a standup that works for teammates in London, Bengaluru and Sydney
• Checking whether a Tokyo client's Monday deadline has already passed where you sit
• Booking a call with a recruiter overseas without guessing at the hour gap
• Working out when a live stream or product launch starts in your city

How to Use the Time Zone Converter

1. Set the Date and Time fields, which arrive pre-filled with the current date and time.
2. Choose a From Country, then pick the specific From City from the second menu.
3. Do the same on the right side for To Country and To City.
4. Read the large 24-hour time, the weekday and full date beneath it, and the zone name on the last line.
5. Tap a Quick Time Zones chip to jump the source side to New York, London, Paris, Dubai, Kolkata, Shanghai, Tokyo or Sydney.

Tips for Best Results

• Change the date before a meeting in spring or fall; clocks shift on different weekends in each country.
• Sydney and Brisbane match for part of the year, then split, because Queensland skips daylight saving.
• Kolkata sits at a half-hour offset and Kathmandu at 45 minutes, so never round to whole hours.
• There is no UTC entry, but Iceland's Reykjavik stays on UTC all year and works as a stand-in.

Why Use WiserWork's Time Zone Converter?

Mental time zone math fails in exactly the situations where it costs the most: a call that crosses midnight, a country that just moved its clocks, or an offset that is not a whole number of hours. This page hands that arithmetic to the time zone database your browser already ships, then prints the weekday alongside the time so a date rollover cannot slip past you. Everything runs on the page itself, so your meeting details stay on your machine.

Who Uses the Time Zone Converter?

Remote teams spread across continents lean on it hardest, along with freelancers billing clients abroad and recruiters lining up interviews in another hemisphere. Support staff covering follow-the-sun shifts use it to work out who is actually awake. Travelers reach for it to figure out when a call home will not ring at 3 in the morning.

Frequently Asked Questions

Does this converter handle daylight saving time?

Yes. It works from named zones such as Europe/London and America/Chicago, so your browser's time zone database applies whichever rule was in effect on the date you picked. Change the date and the answer can change with it.

Which cities can I choose from?

The country menu lists more than 90 countries, and each opens a second menu of its cities. Larger countries offer several: the United States has New York, Los Angeles, Chicago, Denver, Anchorage and Honolulu, while Australia has Sydney, Melbourne, Perth, Brisbane and Adelaide.

Can I convert to or from UTC directly?

There is no UTC option in the country list. Reykjavik in Iceland is the closest stand-in, since Iceland stays on UTC all year and never shifts for daylight saving.

Why does the result use a 24-hour clock?

Times print in 24-hour format on purpose. A bare 7:00 with no AM or PM attached is one of the easiest ways to miss a cross-border meeting by exactly twelve hours.

What do the Quick Time Zones buttons do?

They set the From side only, jumping it straight to New York, London, Paris, Dubai, Kolkata, Shanghai, Tokyo or Sydney. Set the To side yourself using the country and city menus.

Why does the result sometimes show a different date?

Because a large enough offset pushes the time past midnight. The line under the clock spells out the weekday and full date, so you can see that 9 in the evening on Tuesday in Los Angeles is already Wednesday afternoon in Tokyo.

Does it show the numeric UTC offset?

No. The last line of the result names the zone it converted into, such as Asia/Tokyo, rather than printing a figure like plus nine. The time itself already has the offset applied.

Why do some countries list more than one city?

Because they span several zones. Russia offers Moscow and Vladivostok, Canada offers Toronto, Vancouver, Calgary, Winnipeg and Halifax, and Brazil offers Sao Paulo, Rio de Janeiro and Manaus.

Are half-hour and 45-minute zones supported?

Yes. India runs 30 minutes off the hour, Nepal 45 minutes, and Iran, Afghanistan and Adelaide also sit on non-hourly offsets. All are included and converted exactly rather than rounded.

Is my meeting information sent anywhere?

No. The date, time and city choices never leave the page. The conversion is done by JavaScript running in your own browser, using the zone data already built into it.

Getting a time zone wrong costs a meeting, not a rounding error, so it is worth the extra second to check the date and the weekday before you send the invite.