COST – Colombia Summer Time (Summer Time)

Colombia Summer Time or COST has a UTC-04:00 which means that the time zone is four hours behind from Greenwich Mean Time and it is located at the west of the Greenwich. Colombia Summer Time or COST time zone is used during summer time and during standard time use Colombia Time or COT time zone. .

• Asia

Email Time Zone Indicator: -0400

An E-mail sent from somebody inside the Colombia Summer Time zone could have the time zone listed as -0400 inside the headers of the email. (However, -0400 ought not to be in Colombia Summer Time, as different time zones might have an equivalent Greenwich Mean Time (GMT) offset.
- Note. UTC/GMT itself shows up as +0000; −0000 implies the time zone basically obscure you'll be able to ignore that. However, the time zone's name can seem like a part of the time zone offset (like +0000 (UTC/GMT)); you can overlook that.