Cover - USD ($)	10 Months Ended
	Dec. 31, 2022	Mar. 28, 2023	Jun. 30, 2022
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
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 Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
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
Entity Public Float			$ 0
ICFR Auditor Attestation Flag	false
Auditor Firm ID	688
Auditor Name	Marcum LLP
Auditor Location	Boston, MA
Units, each consisting of one Class A Ordinary Share and one Redeemable Warrant
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
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
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		103,500
Common Class B [Member]
Entity Common Stock, Shares Outstanding		4,935,622