Online Converter

GMT to UTC

Year Month Day
Hour Minute
Time Zone: Greenwich Mean Time (GMT)

Calculation Results

Time ZoneCoordinated Universal Time (UTC)
Time

Introduction

This free tool can help you convert Greenwich Mean Time (GMT) to Coordinated Universal Time (UTC). You just need to select the data and time of the source time zone and the tool will calculate the date and time for the destination time zone.

How To Use

  • Select a date by using the "Year", "Month" and "Day" options.
  • Select a time by using the "Hour" and "Minute" options.
  • Click button "Convert" to calculate.
  • The calculation results will be displayed in table.

Remarks

  • Based International Air Transport Association (IATA) timezone codes.
  • Time zones use hours and minutes offset from Coordinated Universal Time (UTC), most a whole number of hours, a few are offset by 30 or 45 minutes.
  • Greenwich Mean Time (GMT) is UTC+00:00, the mean solar time in Greenwich, London.
  • Coordinated Universal Time (UTC) is the primary time standard now, time zones around the world are expressed using offsets from UTC, UTC offset is the difference in hours and minutes from UTC, a time zone can be determined by adding or subtracting the number of UTC offset.
  • Converter supports daylight saving time (DST) or summer time, if the target location is currently using DST time zone, converter will automatically calculate and display local summer time.

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