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

D – Delta Time Zone (Military Time)

Also known as: d – Delta Time, Delta

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.

This time zone is no longer in use, but some locations may observe the same UTC offset (local time) under a different name.

Delta time now

17:42:22

Thursday, November 27, 2014

Military time displayed using the 24 hour clock.

  • UTC Offset: UTC +4:00
  • 9 hours ahead of Washington DC

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