v3.25.2
Cover - shares
 3 Months Ended
Jun. 30, 2025
Aug. 19, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Information [Line Items]    
Entity Registrant Name GOLDENSTONE ACQUISITION LIMITED  
Entity Central Index Key 0001858007  
Entity File Number 001-41328  
Entity Tax Identification Number 85-3373323  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --03-31  
Entity Current Reporting Status Yes  
Entity Shell Company true  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Incorporation, Date of Incorporation Sep. 09, 2020  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 4360 E. New York Street  
Entity Address, City or Town Aurora  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60504  
Entity Phone Fax Numbers [Line Items]    
City Area Code (330)  
Local Phone Number 352-7788  
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   2,289,246
Common stock, par value $0.0001 per share    
Entity Listings [Line Items]    
No Trading Symbol Flag true  
Title of 12(g) Security Common stock, par value $0.0001 per share  
Redeemable Warrants, each exercisable for one-half of one share of Common Stock at an exercise price of $11.50 per whole share    
Entity Listings [Line Items]    
No Trading Symbol Flag true  
Title of 12(g) Security Redeemable Warrants, each exercisable for one-half of one share of Common Stock at an exercise price of $11.50 per whole share  
Rights, entitling the holder to receive one-tenth of one share of Common Stock upon consummation of a business combination    
Entity Listings [Line Items]    
No Trading Symbol Flag true  
Title of 12(g) Security Rights, entitling the holder to receive one-tenth of one share of Common Stock upon consummation of a business combination  
Units, each consisting of one share of Common Stock, one redeemable warrant and one right    
Entity Listings [Line Items]    
No Trading Symbol Flag true  
Title of 12(g) Security Units, each consisting of one share of Common Stock, one redeemable warrant and one right