Time Zone Converter
ProductivitySee the current time across major world time zones at a glance, or convert a specific date and time from one time zone to another — useful for scheduling calls and deadlines across countries.
World clock
Ho Chi Minh City, Vietnam
12:04 AM
Tue, Aug 11 · GMT+7
Beijing / Shanghai, China
01:04 AM
Tue, Aug 11 · GMT+8
London, United Kingdom
06:04 PM
Mon, Aug 10 · GMT+1
São Paulo, Brazil
02:04 PM
Mon, Aug 10 · GMT-3
Toronto, Canada
01:04 PM
Mon, Aug 10 · GMT-4
New York, USA
01:04 PM
Mon, Aug 10 · GMT-4
Los Angeles, USA
10:04 AM
Mon, Aug 10 · GMT-7
UTC
05:04 PM
Mon, Aug 10 · GMT+0
Convert a specific time
Equivalent time
Aug 10, 2026, 11:04 PM
Ho Chi Minh City, Vietnam is 11 hours ahead of New York, USA.
What this tool does
The world clock at the top shows the current time in Vietnam, the UK, China, Brazil, Canada, the US, and several other major regions at once, refreshing automatically so it's always current. Below it, the converter takes a specific date and time in one time zone and shows exactly what that moment is in another — the tool people actually reach for when scheduling a call, a livestream, or a deadline across countries rather than just checking what time it is right now somewhere else.
Why time zones aren't just whole-hour offsets
It's tempting to think of time zones as simple whole-hour shifts from UTC, but several complicate that assumption. India, for example, is UTC+5:30 — a 30-minute offset, not a whole hour. Many countries observe daylight saving time for part of the year, shifting their offset by an hour twice annually on dates that don't line up with each other across countries, which is why 'New York is 12 hours behind Vietnam' can quietly become 11 hours behind for part of the year. This tool calculates the actual offset for the specific date you pick, rather than assuming a fixed year-round gap, so daylight saving shifts are accounted for automatically.
Common use cases
Remote teams spanning Vietnam, the UK, China, Brazil, and Canada use a time zone converter constantly to find a meeting slot that doesn't land at 3 a.m. for someone. It's also useful for figuring out when a livestream, product launch, or online event goes live in your own local time, confirming a delivery or flight departure time quoted in a different zone, and avoiding the classic mistake of joining a call an hour early or late because a daylight saving shift wasn't accounted for.
How the conversion is calculated
The tool reads the correct UTC offset for both the source and destination time zones on the exact date you've selected — not just today's offset — using your browser's built-in time zone database, the same one operating systems and browsers keep updated as countries change their daylight saving rules. That's also why the result can show 'the next day' or 'the previous day' at the destination: converting a time across enough hours of offset genuinely does roll over into a different calendar date, which is easy to miss doing the math by hand.
How to use Time Zone Converter
- 1Check the world clock grid for the current time in major regions at a glance.
- 2To convert a specific time, pick a date, time, and the 'From' time zone.
- 3Choose the 'To' time zone and read the equivalent date and time.
Frequently asked questions
Does this account for daylight saving time?
Yes — the offset is calculated for the exact date you pick, not a fixed year-round assumption, so it correctly reflects daylight saving shifts in either time zone.
Why does the result sometimes show 'the next day' or 'the previous day'?
Because the offset between two time zones can be large enough that the equivalent time falls on a different calendar date at the destination — a common source of scheduling mistakes this note is meant to catch.
Is my data sent anywhere?
No — the conversion runs entirely in your browser using its built-in time zone database.
Why is India's offset 5 hours and 30 minutes instead of a whole number?
Not every country aligns its time zone to a whole-hour offset from UTC — India, among others, uses a half-hour offset. The tool calculates the exact offset regardless of whether it lands on a whole hour.
Can I add a time zone that isn't in the world clock grid?
The world clock grid shows a fixed set of major regions, but the From/To converter below it includes a longer list of time zones you can pick from for a specific conversion.