Time Zone Converter
Convert time between different time zones for meetings, calls, and international coordination.
Converted time will appear here.
How to Use the Time Zone Converter
- Select Source Time Zone: Choose the time zone you're converting FROM
- Enter Date and Time: Input the specific date and time in the source timezone
- Select Target Time Zone: Choose the timezone you're converting TO
- Convert: Get instant conversion showing the equivalent time in the target zone
- Copy & Share: Use the copy button to share meeting times with colleagues
Why Use a Time Zone Converter?
In our globally connected world, coordinating across time zones is a daily challenge for remote teams, international businesses, and travelers. Time zone converters eliminate confusion and prevent missed meetings by showing exactly when events occur in different locations. No more mental math or Daylight Saving Time mistakes—just accurate, reliable time conversions.
Time zone errors cost businesses millions annually in missed meetings, scheduling conflicts, and frustrated clients. A reliable converter ensures everyone shows up at the right time, whether you're scheduling a Zoom call between New York and Tokyo or planning a product launch across multiple regions.
Common Use Cases
- Remote Team Meetings: Schedule calls across distributed teams in different countries
- International Business: Coordinate with clients, vendors, or partners globally
- Travel Planning: Convert flight times, hotel check-ins, or tour bookings
- Live Events: Determine when webinars, conferences, or broadcasts air locally
- Family Coordination: Call relatives abroad at convenient times
- Stock Market Trading: Track market opening times across exchanges
- Gaming: Coordinate multiplayer sessions with international friends
Understanding Time Zones
How Time Zones Work
The world is divided into 24 primary time zones, each roughly 15 degrees of longitude apart (360° ÷ 24 = 15°). Time zones are measured as offsets from UTC (Coordinated Universal Time), the global time standard. For example, Eastern Time is UTC-5 (5 hours behind UTC), while Tokyo is UTC+9 (9 hours ahead).
Daylight Saving Time (DST)
Many regions observe Daylight Saving Time, shifting clocks forward in spring and back in autumn. This means time zone offsets change twice yearly. For example, Eastern Time switches between EST (UTC-5) and EDT (UTC-4). Not all countries observe DST, and those that do often switch on different dates, adding complexity to international scheduling.
UTC vs GMT
UTC (Coordinated Universal Time) and GMT (Greenwich Mean Time) are often used interchangeably as the zero-reference point. UTC is the modern standard maintained by atomic clocks, while GMT is the historical reference. For practical purposes, they're effectively identical.
Frequently Asked Questions
How do I account for Daylight Saving Time?
Our converter automatically handles Daylight Saving Time transitions based on the date you enter. The tool uses current timezone rules, so you don't need to manually adjust for DST—it calculates the correct offset automatically.
What if I need to schedule a recurring meeting?
Convert the time for one occurrence, then note the time difference in hours. However, be aware that this difference can change when DST transitions occur in one timezone but not the other. Check conversions again after DST changes in March/April and October/November.
Why does the time difference change throughout the year?
Time differences vary because countries observe Daylight Saving Time on different schedules—or not at all. For example, when the US springs forward but India doesn't observe DST, the gap between New York and Mumbai changes from 10.5 hours to 9.5 hours.
What's the best way to communicate meeting times internationally?
Always specify the time zone (e.g., "3 PM EST" not just "3 PM"). Better yet, include times in multiple zones: "3 PM EST / 8 PM GMT / 4 AM JST next day." This prevents confusion and shows consideration for international participants.
How accurate is the time zone converter?
Our converter uses the IANA Time Zone Database, the global standard for timezone information. It accurately handles historical timezone changes, current offsets, and Daylight Saving Time rules for all regions.
What if a timezone isn't listed?
The most commonly used timezones are included. If you need a specific city, most align with a major timezone in the list (e.g., Mumbai = Asia/Kolkata, Los Angeles = America/Los_Angeles). You can also convert to/from UTC then calculate the specific offset.
🌍 Best Practices for International Scheduling
- Use 24-Hour Format: Avoid AM/PM confusion—"15:00" is clearer than "3 PM"
- State the Timezone: Always include timezone abbreviation (EST, GMT, JST, etc.)
- Consider Work Hours: Check if your meeting time is during reasonable hours for all participants
- Account for DST Changes: Reconfirm meeting times after Daylight Saving transitions
- Use UTC for Tech: Software developers often use UTC to avoid timezone complications
- Add to Calendar: Let calendar apps handle timezone conversion automatically
Time Zone Scheduling Tips
Find Overlapping Hours: For recurring meetings, identify hours that work for all time zones. A 9 AM EST call is 2 PM London but 11 PM Tokyo—consider rotating times to share the burden.
Double-Check "Next Day": When converting to eastern time zones, remember the date might change. A Tuesday 8 PM in San Francisco is Wednesday 1 PM in Sydney.
Bookmark This Tool: Save the converter for quick access when scheduling international calls or coordinating across regions.
For Remote Teams
Distributed teams benefit from establishing a "team timezone" (often UTC or the company HQ timezone) as a reference point. Document all meeting times in this standard timezone, then let individuals convert to their local time. This reduces confusion and ensures everyone interprets schedules consistently.
Tools like Slack, Google Calendar, and Zoom automatically display times in each participant's local timezone, but confirming with a converter prevents surprises when traveling or during DST transitions.