Cover - shares	6 Months Ended
	Jun. 30, 2023	Aug. 10, 2023
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2023
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Entity File Number	001-41607
Entity Registrant Name	PONO CAPITAL THREE, INC.
Entity Central Index Key	0001930021
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	643 Ilalo St., #102
Entity Address, City or Town	Honolulu
Entity Address, State or Province	HI
Entity Address, Postal Zip Code	96813
City Area Code	(808)
Local Phone Number	892-6611
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Entity Shell Company	true
Units Each Consisting Of One Class Ordinary Share And One Redeemable Warrant [Member]
Title of 12(b) Security	Units, each consisting of one Class A Ordinary Share and one Redeemable Warrant
Trading Symbol	PTHRU
Security Exchange Name	NASDAQ
Class A Ordinary Share, $0.0001 par value per share [Member]
Title of 12(b) Security	Class A Ordinary Share, $0.0001 par value per share
Trading Symbol	PTHR
Security Exchange Name	NASDAQ
Redeemable Warrants, each warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 per share [Member]
Title of 12(b) Security	Redeemable Warrants, each warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 per share
Trading Symbol	PTHRW
Security Exchange Name	NASDAQ
Common Class A [Member]
Entity Common Stock, Shares Outstanding		12,168,875
Common Class B [Member]
Entity Common Stock, Shares Outstanding		4,935,622