v3.26.1
Cover
6 Months Ended
Mar. 31, 2026
Document Information [Line Items]  
Document Type 6-K
Amendment Flag false
Document Period End Date Mar. 31, 2026
Document Fiscal Year Focus 2026
Entity Registrant Name Golden Sun Technology Group Limited
Entity Central Index Key 0001826376
Current Fiscal Year End Date --09-30
Entity File Number 001-41425
Document Fiscal Period Focus Q2