Home > Time Zones > Abbreviations > D – Delta Time Zone

D – Delta Time Zone (Military Time)

Also known as: d – Delta Time, Delta

Time zone map of D
Areas with same time currently (UTC +4:00).
Currently has same time zone offset as D (UTC +4:00) but different time zone name.

Delta Time Zone (D) is 4 hours ahead of Coordinated Universal Time (UTC). This time zone is a military time zone.

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Email time zone indicator: +0400

An email sent from someone in the Delta Time Zone (D) time zone will have the time zone listed as "+0400" in the headers of the email. (However, "+0400" does not have to be in Delta Time Zone, as other time zones could have the same UTC offset).

Where and when is D observed?

Delta Time Zone is often used in aviation and the military as another name for UTC +4:00. Delta Time Zone is also commonly used at sea between longitudes 52.5° East and 67.5° East.

The letter D may be used as a suffix to denote a time being in the Delta Time Zone, such as 08:00D or 0800D. This is spoken as "zero eight hundred Delta".

Only showing up to 16 cities, others may also be observing Delta Time Zone.

Delta time now

03:34:33

Friday, December 26, 2014

Military time displayed using the 24 hour clock.

  • UTC Offset: UTC +4:00
  • 9 hours ahead of New York

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