Time, Date & Timezone CalcyZone Calculator
UTC Offset Calculator
Find current and date-specific UTC offsets for any city or region worldwide.
🌐 Time Zone & Offset Calculator
Convert times globally with real-time flag location pickers, IANA DST accuracy, and hour diff analysis.
Popular:
Offset: UTC-4:00EST/EDT/ET
Offset: UTC+0:00GMT/BST
🌐
Converted Local Time Result+4 hrs
Thu, Oct 29, 2026, 04:00:00 PM
London is 4 hours ahead of New York
New YorkCountry:United States
Timezone IANA:America/New_York
Abbreviations:EST, EDT, ET
LondonCountry:United Kingdom
Timezone IANA:Europe/London
Abbreviations:GMT, BST
Mathematical Formula
UTC Offset = Local Time minus UTC Time
Overview & Explanation
Determines exact UTC offset for any location on any specified date.
How It Works
- Queries browser Intl.DateTimeFormat for the specified IANA location.
Practical Applications
- Programming date configuration.
- Global meeting preparation.
Worked Example: India (Asia/Kolkata)
Find UTC offset.
1
Query Offset
Evaluate Asia/Kolkata
= UTC+5:30
Frequently Asked Questions
What is the UTC offset for India?
India operates on UTC+5:30 (India Standard Time).
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