ABOUT PAKISTANI FLAG
The national flag of Pakistan was designed by Amir-ud-Din Khidwai based on the 1906 flag of the All-India Muslim League. It was adopted on August 11, 1947, three days before independence.

The flag comprises a dark green field (representing Muslims) with a vertical white stripe in the hoist (left side) (representing non-Muslim minorities). In the centre is a white crescent (symbolising progress) and a white five-pointed star (symbolising light, knowledge and wisdom).

A common name for the Pakistani flag is Sabz Hilali Parcham which is Urdu for Green Flag with the Crescent. Or Parcham-e-Sitara aw Hilal meaning The Flag of the Crescent and Star.
 
 
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Size of Flag:
»  For ceremonial occasions. 21' x 14', 18' x 12', 10' x 6-2/3' or 9' x 6 1/4.
»  For use over buildings. 6' x 4' or 3' x 2'.
»  For cars 12" x 8".
»  For tables 6 1/4" x 4 1/4".

Occasions on which the flag is flown:
»  Pakistan Day (23 March 1940)
»  Pakistan Resolution (National document) and Republic Day (23 March 1940'1956)
»  Independence Day (14 August 1947)
»  Quaid-e-Azam's Birthday (25 December 1876)
»  Madar-e-Millat's Birthday (30 July, 1893)
»  Allama Iqbal's Birthday (9 November 1877)
»  Mirza Ghalib's Birthday (27 December 1796)
»  Sir Syed Ahmad Khan's Birthday (17 October 1817)
»  Choudhary Rahmat Ali Khan's Birthday (16 November 1897)
»  Shaheed-e-Millat's Birthday (1 October 1896)
»  Quaid-e-Awam, Zulfiqar Ali Bhutto's Birthday (5 January 1928)

Days when flags are at half-mast:
»  (Fall of Dacca; signing of Instrument of Surrender) (16 December 1971)
»  Anniversary of death of Allama Muhammad Iqbal (21 April 1938)
»  Anniversary of death of Quaid-e-Azam (11 September 1948)
»  Anniversary of death of Nawabzada, Liaquat Ali Khan (16 October 1951)
»  Anniversary of death of Khatoon-e-Pakistan, The Mother of the Nation Fatima Jinnah (8 July 1967)
»  Anniversary of death of Mirza Ghalib (15 February 1869)
»  Anniversary of death of Sir Syed Ahmad Khan (27 March 1898)
»  Anniversary of death of Choudhary Rahmat Ali Khan (12 February 1951)
»  Anniversary of death of Quaid-e-Awam, Zulfiqar Ali Bhutto (4 April 1979)

Vehicles carrying public officials:
The flag is also flown on vehicles carrying the following:

»  The President of Pakistan.
»  The Prime Minister of Pakistan.
»  The Chairman of the Senate and the Speaker of the National Assembly.
»  Chief Justice of Pakistan.
»  Provincial Governors and Chief Ministers
»  Chief Justices.