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Time Zone Converter

Convert time between world time zones

How It Works

Convert a date and time from one time zone to another, handling day rollover across the International Date Line.

A time zone converter translates a date and time from one time zone to another. With over 37 time zones supported ranging from UTC−12 to UTC+14, including fractional offsets (such as UTC+5:30 for India and UTC+5:45 for Nepal), it covers all major world time zones.

The calculator adds the difference between the source and target time zone offsets to the input time. If the result crosses midnight, the date is adjusted forward or backward accordingly. This includes crossing the International Date Line, where the date may change by a full day.

Time zone conversion is essential for international business meetings, travel planning, remote team coordination, and global communication. Note that this calculator uses standard time offsets and does not account for daylight saving time changes.

Results

Enter values to see results

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Quick Tips

  • • Results update automatically as you type
  • • Use Tab to navigate between fields
  • • Press Enter to calculate

Frequently Asked Questions

How does the Time Zone Converter work?
Simply enter your values into the input fields above. The Time Zone Converter uses standard formulas to compute results instantly as you type or click.
Is the Time Zone Converter free?
Yes, this calculator is completely free to use. No registration, no hidden fees, no limits.
How accurate are the results?
Results are computed using industry-standard mathematical formulas. For critical decisions, we recommend consulting a professional.
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