Time Zone Converter Online

Instantly convert time between any cities or world time zones. Perfect for remote work, international meetings, global business, and travel planning—accurate, fast, and always up to date.

A bright, modern office wall with clocks showing times in multiple international cities, representing global time zone conversion

In a connected world, understanding and converting time zones is essential for seamless collaboration, travel, and communication. Whether you’re scheduling global team meetings, joining virtual events, planning trips, or deploying software to an international audience, accurate time zone conversion prevents costly mistakes and confusion.

  • Coordinate business meetings across continents
  • Avoid missing remote calls or deadlines due to time differences
  • Plan flights and travel with correct local arrival times
  • Handle daylight saving changes and regional time rules
Quick Fact There are over 400 world time zones, some differing by 30 or 45 minutes—and rules change regularly. Always double-check before you schedule!
Enter source, target, and date/time above, then click Convert Time.
Tip: Instantly convert time between any cities or zones for global meetings, deadlines, or travel. Handles daylight saving time automatically.

World Time Difference Calculator: Major Cities Time Zones

Use this quick reference to check the current time zones, UTC offsets, and daylight saving status for major global cities. Perfect for comparing local times and scheduling across continents.

Current world time zones (2025): DST status may change seasonally.
City Time Zone UTC Offset DST
New YorkEastern Time (US & Canada)UTC-4Yes
LondonBritish Summer TimeUTC+1Yes
TokyoJapan Standard TimeUTC+9No
SydneyAustralian Eastern TimeUTC+10Yes
DubaiGulf Standard TimeUTC+4No
São PauloBrasilia TimeUTC-3No
Los AngelesPacific Time (US & Canada)UTC-7Yes
MumbaiIndia Standard TimeUTC+5:30No
JohannesburgSouth Africa StandardUTC+2No
BerlinCentral European SummerUTC+2Yes
BeijingChina Standard TimeUTC+8No
TorontoEastern Time (Canada)UTC-4Yes
Mexico CityCentral Time (Mexico)UTC-6Yes
ParisCentral European SummerUTC+2Yes
SingaporeSingapore TimeUTC+8No
MoscowMoscow Standard TimeUTC+3No
IstanbulTurkey TimeUTC+3No
Cape TownSouth Africa StandardUTC+2No
Hong KongHong Kong TimeUTC+8No
VancouverPacific Time (Canada)UTC-7Yes
How to use: Find both your city and your contact’s city, compare UTC offsets, and check DST status before scheduling. For example, London and New York are usually 5 hours apart, but only 4 hours during US DST.

Tips for Managing Time Zones Effectively

  • Always confirm local times before meetings: Use a reliable time zone converter online, or double-check with your calendar app’s world clock feature.
  • Set up world clocks: Add key cities to your phone, desktop, or smart speaker so you can check global time differences at a glance.
  • Leverage calendar time zone support: Tools like Google Calendar and Outlook let you schedule in multiple time zones and send invites with automatic conversion.
  • Be wary of daylight saving time (DST): DST start and end dates change yearly, and not all regions observe it. Always check before scheduling international events.
  • Consider using UTC for technical scheduling: For APIs, online launches, or distributed software, UTC eliminates confusion.
  • Communicate time zones in writing: When sending invites, specify both local and UTC time, e.g., "Call at 14:00 London (UTC+1) / 09:00 New York (UTC-4)".
  • Try browser extensions or apps: World Time Buddy, Every Time Zone, and browser add-ons help visualize global time differences.
Example: Scheduling a product launch for 10:00 AM New York on July 1st? That’s 3:00 PM in London (during DST), 10:00 PM in Singapore (no DST), and 7:00 AM in Los Angeles (also DST). Always double-check!

FAQ: Time Zone Conversion & Scheduling

The table above shows current DST status, but it’s always best to check official sources or your calendar app for up-to-date rules. Many US, UK, and European cities observe DST, but many Asian and African cities do not. DST dates vary by country and can change by government decree—always double-check before scheduling.

Some countries use half-hour or 45-minute offsets for historical, political, or local reasons. For example, India is UTC+5:30, Nepal is UTC+5:45, and South Australia is UTC+9:30. Always use a time zone converter online to avoid mistakes with these non-standard zones.

Use a converter tool like ours to find the best overlap, then send invitations with clear local times for each participant. Most calendar apps let you add guests in different time zones and will adjust event times automatically. For global teams, consider rotating meeting times to share the inconvenience fairly.

Always check both the source and target time zones for current DST status. Use calendar apps or our converter—these handle DST automatically. For critical events (like launches), confirm the time with all parties a few days in advance, especially if the meeting falls near DST transition dates.

Both Google Calendar and Outlook support time zone selection when creating events. Enter the event's local time and specify the time zone. Invitees see the event in their own time zone automatically. For recurring meetings, check that time zones and DST rules are set correctly in your calendar settings.

Yes! Large countries like the US, Russia, Australia, and Canada span multiple time zones. Even within a state or province, some cities may not observe DST or may use a different UTC offset. Always specify the city, not just the country, when converting times.

UTC (Coordinated Universal Time) is the world standard for timekeeping. It does not change for daylight saving and is used as a reference point for all time zones. Scheduling or logging events in UTC avoids confusion, especially for global teams and software systems.