v3.26.3
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
Document Fiscal Period Focus Q2
Entity Registrant Name Rich Sparkle Holdings Limited
Entity Central Index Key 0002031688
Entity File Number 001-42724
Current Fiscal Year End Date --09-30