Time Zone Converter
Convert time between different world time zones.
Showing current time (live). Enter a date/time to convert a specific moment.
How to use Time Zone Converter
Select your source time zone
Click the 'From Time Zone' dropdown menu on the left side. Scroll through the alphabetical list of 400+ cities and regions, or type to search (e.g., 'New York', 'London', 'Tokyo'). The dropdown displays UTC offset in parentheses for reference.
Enter the time you want to convert
Click the time input field below the source time zone selector. Enter the time in 12-hour or 24-hour format (e.g., '2:30 PM' or '14:30'). The tool accepts hours, minutes, and seconds. Optionally select the date using the calendar picker if converting across different days.
Choose your destination time zone
Click the 'To Time Zone' dropdown menu on the right side. Select your target time zone from the same list of 400+ options, or search by city name. You can add multiple destination zones by clicking 'Add Time Zone' button to compare times across 5+ locations simultaneously.
View the converted result
The converted time appears instantly in the 'Converted Time' field on the right. The tool displays the exact time, day of week, and date difference if applicable. Click the copy icon next to the result to copy the time to your clipboard.
Related Tools
Time zone converter: convert times between cities and time zones instantly
Time zone converter: convert times between cities and time zones instantly
Need to schedule a call across time zones or figure out what time it is somewhere else in the world? ToolHQ's Time Zone Converter converts any time to any time zone instantly, showing local times for multiple cities simultaneously. Free, no account required.
ToolHQ's Time Zone Converter is a free online tool that converts a given time and date from one time zone to any other, supports comparing multiple time zones side by side, and accounts for daylight saving time changes automatically.
The world has 38 distinct UTC offsets. Daylight saving time shifts add another layer of complexity: the US changes its clocks on different dates from Europe, and many countries don't observe daylight saving time at all. Getting this right without a converter is error-prone enough that the potential cost of a missed meeting or a confused team warrants using a proper tool every time.
Key Takeaways
- Converts any time to any time zone instantly
- Accounts for daylight saving time automatically
- Compare multiple cities and time zones simultaneously
- All calculations run locally: no data is stored or transmitted
- Free with no account required
How time zones work
Time zones are defined as offsets from Coordinated Universal Time (UTC), the global reference standard. UTC+0 is Greenwich Mean Time. New York is UTC-5 (or UTC-4 during Eastern Daylight Time). Tokyo is UTC+9. Dubai is UTC+4, with no daylight saving time.
The complication is daylight saving time (DST): approximately 70 countries shift their clocks forward one hour in summer and back in winter, but they do so on different dates. The US observes DST from the second Sunday in March to the first Sunday in November. The EU shifts on the last Sunday in March and last Sunday in October. When the US has changed clocks but Europe hasn't (or vice versa), the offset between them is temporarily different from the rest of the year.
This creates a category of scheduling errors that is almost impossible to avoid through mental arithmetic alone. A recurring weekly meeting scheduled at "3pm US Eastern, 9pm UK" becomes "3pm Eastern, 10pm UK" for three weeks each spring and autumn when the two regions are on opposite sides of their clock changes. A reliable time zone converter handles DST automatically based on the actual date you specify.
According to Wikipedia's overview of time zones, the standard for defining time zones is the IANA time zone database (also called the tz database or Olson database), which maintains historical and current DST rules for all recognized time zones worldwide. Tools that correctly handle DST reference this database.
When you need a time zone converter
Scheduling international meetings: Whether you're coordinating with a team in another country or booking a call with a client in a different region, a time zone converter prevents the "I thought it was 10am your time" problem.
Remote work and distributed teams: If your company has employees in multiple time zones, a time zone converter is used constantly. Knowing that 9am Pacific is 5pm London and midnight Tokyo is basic operational knowledge for global teams.
Travel planning: Booking flights, trains, and accommodation across time zones. An international flight that departs at 11pm and arrives at 6am may be a 7-hour flight or a 19-hour flight depending on direction and zones crossed.
Watching live events: Sports events, concerts, streaming premieres, and product launches happen at a fixed time in one zone. Converting to your local time ensures you don't miss the start.
Publishing and content scheduling: Blog posts, social media updates, and newsletters scheduled for a specific time in one zone need conversion to platform-local times or UTC for consistent publishing.
Financial and trading: Stock markets, options expiries, and economic data releases happen at specific times in specific zones. US markets open at 9:30am Eastern, which is 2:30pm London and 10:30pm Tokyo.
Mini-story: In April 2026, Nadia, a product manager at a tech company in Berlin, was coordinating the launch of a new feature with engineering teams in San Francisco and Singapore. The launch was set for "9am Berlin time on a Tuesday." She used ToolHQ's Time Zone Converter to confirm: 9am CET (UTC+2 in April) = 12am Tuesday night in San Francisco (UTC-7 in April), meaning the San Francisco team needed to be available at midnight for the launch call. She caught this and rescheduled to "3pm Berlin / 6am San Francisco / 9pm Singapore," a time that was workable for all three teams without requiring anyone to work after midnight. The five minutes spent on the converter saved an uncomfortable conversation and a missed handoff.
Convert time zones now, free, no account needed
How to use ToolHQ's time zone converter: step by step
Converting a time takes under 30 seconds.
- Open the tool. Go to https://www.toolhq.app/tools/time-zone-converter. No login required.
- Enter a time and date. Choose the date (important for DST accuracy) and time you want to convert.
- Select the source time zone. Choose from a searchable list of cities and regions, or select a UTC offset directly.
- Select target time zones. Choose one or more destination time zones to see the converted times simultaneously.
- View the results. The tool displays the equivalent local times, including any date changes that result from the conversion (e.g., converting a late evening time to a zone that crosses midnight).
Time zone quick reference for common pairs
| When it is in... | UTC offset (standard) | DST observed? |
|---|---|---|
| New York (EST/EDT) | UTC-5 / UTC-4 | Yes |
| London (GMT/BST) | UTC+0 / UTC+1 | Yes |
| Paris (CET/CEST) | UTC+1 / UTC+2 | Yes |
| Dubai (GST) | UTC+4 | No |
| Mumbai (IST) | UTC+5:30 | No |
| Singapore (SGT) | UTC+8 | No |
| Tokyo (JST) | UTC+9 | No |
| Sydney (AEST/AEDT) | UTC+10 / UTC+11 | Yes (opposite season) |
| Los Angeles (PST/PDT) | UTC-8 / UTC-7 | Yes |
| São Paulo (BRT/BRST) | UTC-3 / UTC-2 | Yes (opposite season) |
Note that Sydney and São Paulo observe DST in the Southern Hemisphere's summer (November to March), opposite to the Northern Hemisphere schedule.
Mini-story: Wei, a freelance translator in Chengdu, worked regularly with clients in New York and Amsterdam. In October 2025, he had a recurring Mondays-at-10am-New-York call. When the US ended daylight saving time in early November, New York shifted from UTC-4 to UTC-5. His call now started an hour later relative to his local time without any notice from the client. He used ToolHQ's Time Zone Converter to check upcoming Monday call times through December, found two additional shifts (the EU DST change in late October had already shifted Amsterdam), and updated his calendar with the correct local times for each week. He sent a heads-up email to both clients confirming the call times, which they appreciated. No missed calls that quarter.
For related time tools, ToolHQ's Age Calculator handles date-based calculations, and the Unix Timestamp Converter converts between human-readable dates and epoch timestamps used in software. Browse all datetime tools in ToolHQ's datetime category.
Frequently asked questions
Does the converter account for daylight saving time?
Yes. The converter uses the date you specify to determine whether DST applies in each time zone, so it gives accurate results even across DST transition periods.
Is my location or time data stored anywhere?
No. All conversions are calculated locally in the tool. No data is stored or transmitted.
How do I handle recurring meetings across time zones?
Set up the meeting using the converter to confirm a time that works for all participants. Then add it to your calendar with the correct local time. Be aware that recurring meetings may shift by one hour relative to participants in different DST zones twice per year.
What is UTC and how does it relate to GMT?
UTC (Coordinated Universal Time) is the modern international time standard, kept precise by atomic clocks. GMT (Greenwich Mean Time) was the historical standard. In everyday use they are essentially interchangeable for time zone purposes: UTC+0 = GMT.
What if I need to schedule across more than two time zones?
The converter lets you add multiple target time zones and view all equivalent times simultaneously. This is particularly useful for global team scheduling where you need to find an overlap window across three or more regions.
Why do some time zones have:30 or:45 offsets?
Most time zones are whole-hour offsets from UTC, but 11 countries use half-hour offsets and one uses a quarter-hour offset. India (UTC+5:30) and Sri Lanka (UTC+5:30) chose their offsets to be roughly centered on their geographic position relative to the UTC+5 and UTC+6 zones on either side. Nepal (UTC+5:45) is the only country in the world with a 45-minute offset, chosen to differentiate itself from neighboring India. Australia has two states using:30 offsets: South Australia and the Northern Territory (UTC+9:30). These offsets are entirely valid and handled correctly by the IANA timezone database, so any converter that references the database will convert them accurately. If you're scheduling with colleagues in India or Nepal, be aware that a "2-hour difference" relative to a reference zone may actually be 2.5 hours.
Conclusion: the short version
Time zones and daylight saving time create scheduling errors that are nearly impossible to avoid without a proper tool. ToolHQ's Time Zone Converter converts any time to any time zone instantly, handles DST automatically based on the date, and shows multiple zones simultaneously for team scheduling. All calculations are local: no data is stored or transmitted. Free, no account needed.
Get the time right the first time. Everyone on the call will thank you.
Convert time zones now, free, instant, no account needed
For related tools, use the Age Calculator for date calculations and the Unix Timestamp Converter for developer time formats. See all datetime tools in ToolHQ's datetime section.