Time Zone Converter

Our time zone converter helps you navigate the complexity of global time zones. Whether you're scheduling a meeting with colleagues across the world, planning travel, or coordinating with remote teams, this tool makes it easy to convert times between any cities or time zones, with automatic daylight saving time adjustments.

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schedule Time Zone Converter
๐ŸŒ Select timezone... expand_more
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UTC+0
๐ŸŒ Select timezone... expand_more
 
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Select time
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UTC+0
Time difference: -- hours
public World Clock

tips_and_updates Time Zone Tips

  • โ€ข DST changes can shift offsets - always check the date when scheduling across zones.
  • โ€ข UTC never changes with DST - ideal for logging and scheduling.
  • โ€ข India (IST) has a 30-minute offset (+5:30), unlike most time zones.
  • โ€ข Best meeting times: Find overlap during 9 AM - 6 PM for all participants.

bolt Quick Reference

Ho Chi Minh โ†’ New York -12 hours
Ho Chi Minh โ†’ London -7 hours
Ho Chi Minh โ†’ Tokyo +2 hours
New York โ†’ London +5 hours
London โ†’ Tokyo +9 hours

public Major Time Zones

PSTUTC-8
ESTUTC-5
GMTUTC+0
CETUTC+1
ICTUTC+7
JSTUTC+9

How to Use This Calculator

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Select Mode

Choose to convert time, compare multiple cities, or find the best meeting time.

edit

Enter Details

Input the time and date, then select your source and target time zones.

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View Results

See the converted time, time difference, and whether DST is active.

The Formula

Time zone conversion works by first converting to UTC, then to the target zone. DST adjustments are applied based on the specific date and location.

Target Time = Source Time + (Target Offset - Source Offset)

lightbulb Variables Explained

  • Source Time The time in the source time zone
  • Target Offset Hours offset from UTC for target zone
  • Source Offset Hours offset from UTC for source zone

tips_and_updates Pro Tips

1

Always check the date when converting times - daylight saving time can affect the offset.

2

UTC (Coordinated Universal Time) never changes with DST, making it ideal for scheduling.

3

For international meetings, try to find overlap during normal business hours for all participants.

4

Some regions like Arizona and Hawaii don't observe daylight saving time.

5

India (IST) has a 30-minute offset (+5:30), unlike most time zones which are whole hours.

World Time Zone Converter

Convert time between any cities or time zones instantly. Our converter handles daylight saving time automatically, making it easy to schedule international calls, meetings, and coordinate with teams around the world.

Understanding Time Zones

Time zones are regions that observe the same standard time. The world is divided into 24 primary time zones, each roughly 15 degrees of longitude wide. However, actual time zone boundaries often follow political borders rather than strict longitude lines, and many regions observe daylight saving time during part of the year.

Working Across Time Zones

Remote work and global teams make time zone awareness essential. When scheduling meetings, consider the local time for all participants. Tools like our meeting planner help find overlapping work hours. For regular communications, UTC timestamps avoid confusion.

Daylight Saving Time Considerations

DST can complicate time conversions as it's not universal - some countries, states, or territories don't observe it. DST dates also vary by region. Our converter automatically adjusts for DST based on your selected date and locations.

Frequently Asked Questions

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Data sourced from trusted institutions

All formulas verified against official standards.