Time Zone Converter

Our converter automatically accounts for daylight saving time (DST):

• The calculator uses the IANA time zone database for accurate DST transitions
• DST rules vary by country and region - some don't observe it at all
• Conversions are calculated based on the specific date you enter
• Time zone abbreviations will change (e.g., EST to EDT) during DST periods

UTC (Coordinated Universal Time) and GMT (Greenwich Mean Time) explained:

• UTC is the primary time standard by which the world regulates clocks
• GMT is a time zone while UTC is a time standard - they share the same time
• UTC does not observe daylight saving time
• All other time zones are expressed as offsets from UTC (e.g., UTC-5 for EST)

Date changes occur due to time zone differences:

• When converting to a timezone that's many hours ahead, midnight may be crossed
• Example: 10 PM in New York is 8 AM the next day in Tokyo
• The converter will indicate "Next day" or "Previous day" when this happens
• This is normal behavior when there's more than 12 hours difference

Our converter ensures high accuracy through:

• Using the Intl API which follows IANA timezone database standards
• Automatic handling of daylight saving time transitions
• Support for historical and future date conversions
• Regular updates to timezone rules as countries change their policies

We support major time zones across all regions:

• North America: Eastern, Central, Mountain, Pacific, Alaska, Hawaii
• Europe: UTC/GMT, London, Paris, Berlin, Moscow
• Asia: Dubai, India, Bangkok, Singapore, Hong Kong, China, Tokyo, Seoul
• Australia & Pacific: Perth, Sydney, Auckland