Flag of Indonesia

Indonesia

Name	Sang Saka Merah Putih (derived from Javanese: ꦱꦁ​ꦱꦏ​ꦲꦧꦁ​ꦥꦸꦠꦶꦃ, romanized: Sang Såkå Abang Putih, lit. 'The Red-White Heirloom'; one of the nicknames of the Majapahit empire's flag) Sang Merah Putih (derived from Javanese: ꦱꦁ​​ꦲꦧꦁ​ꦥꦸꦠꦶꦃ, romanized: Sang Abang Putih, lit. 'The Red-White'; the simplified term for Sang Saka Merah Putih) Sang Saka Dwiwarna (derived from Javanese: ꦱꦁ​ꦱꦏ​ꦢ꧀ꦮꦶ​ꦮꦂꦤ, romanized: Sang Såkå Dwi Warnå, lit. 'The Bicolor Heirloom') Bendera Pusaka (derived from Javanese: ꦒꦼꦤ꧀ꦢꦺꦫꦦꦸꦱꦏ, romanized: Gêndérå Pusåkå, lit. 'The Heirloom Flag')
Use	National flag and ensign
Proportion	2:3
Adopted	13th century (Majapahit Empire) 28 October 1928 (standardized) 17 August 1945
Design	A horizontal bicolour of red and white
Variant flag of Indonesia
Name	Original form: Sang Saka Getih Getah (derived from Javanese: ꦱꦁ​ꦱꦏ​ꦒꦼꦠꦶꦃ​ꦒꦼꦠꦃ; one of the nicknames of the Majapahit empire's flag) Sang Saka Abang Putih (derived from Javanese: ꦱꦁ​ꦱꦏ​ꦲꦧꦁ​ꦥꦸꦠꦶꦃ, romanized: Sang Såkå Abang Putih, lit. 'The Red-White Heirloom'; one of the nicknames of the Majapahit empire's flag) Official (modern era): Ular-Ular Perang (derived from Javanese: ꦲꦸꦭꦲꦸꦭꦥꦼꦫꦁ, romanized: Ulå-Ulå Pêrang, lit. 'The Battle Snakes') Lencana Perang (derived from Javanese: ꦭꦤ꧀ꦕꦤ​ꦥꦼꦫꦁ, romanized: Lancånå Pêrang, lit. 'The Battle Emblem')
Use	Naval jack
Proportion	2:3
Design	Nine horizontal stripes of alternating red and white

The flag of Indonesia a.k.a. Sang Saka Merah Putih, Sang Merah Putih or Sang Saka Dwiwarna is a bicolour flag with two equal horizontal bands of red (top) and white (bottom) with an overall ratio of 2:3.

The flag of Indonesia is graphically identical to the Flag of Monaco, with a slight difference only in the ratio of its dimensions.

Usage

The National Monument with a row of Indonesian flags

The Indonesian flag of Ular-Ular Perang variant used by Indonesian Navy

Regulation and flag protocol

The flag is described in Article 35, Chapter XV, of the Constitution of Indonesia; Government Regulation No. 24/2009; and Government Regulation No. 40/1958.

The national flag shall be Sang Merah Putih (The Red-White)

— Article 35, Chapter XV, Constitution of Indonesia

The raising of the flag should be conducted in the time between sunrise until sunset, but in certain circumstances, it can be done at night. In daily use, the flag should be flown at every commemoration such as the Indonesian Independence Day on 17 August every year, by the citizens who have a right to use it at house, building or office, schools, colleges, public and private transport and the representative office of Indonesia in overseas. The flag can be flown in maritime-based activity as well.

Indonesian sail training ship KRI Dewaruci at Sailabration 2012, Baltimore Inner Harbor, Maryland, USA

Indonesian Navy Ship with the flag of Indonesia flown (Ular-Ular Perang variant)

It can be used as the cover of the coffin of a President or former Presidents, Vice President or former Vice Presidents, Members of Cabinet, Speaker of People's Representative Council, and Head of Government, members of the Indonesian Armed Forces, and persons who are members of the Indonesian National Police who died in service, or an Indonesian citizen who made contributions to their nation as a badge of honor.