GST Calendar for October 2025: Key Due Dates
📆 GST Calendar Alert: Key Due Dates for October 2025
October’s compliance schedule is jam-packed, and missing even one deadline could mean penalties, hiked interest, or blocked ITC. Don’t let that be your story. Here’s your roadmap. 👇
📌 Major GST Dates to Remember (Oct 2025):
10-Oct: GSTR-7 & GSTR-8 (TDS / TCS)
11-Oct: GSTR-1 (Monthly, for > ₹5 cr filers)
13-Oct: GSTR-5 & GSTR-6 (Non-resident & ISD)
18-Oct: CMP-08 (Quarterly return for composition taxpayers)
20-Oct: GSTR-3B (Monthly filers)
22 / 24 Oct: GSTR-3B (QRMP scheme quarterly)
25-Oct: PMT-06 (QRMP filers if liability arises)
đź› Why this calendar is your best compliance friend
Helps you set internal reminders in advance
Aids in segregating clients by their filing frequency (monthly, QRMP, composition)
Reduces chaos by creating a compliance playbook for your team & clients
Let's you spot risk periods and distribute workload smoothly
💡 Pro Tip: Use a dual-deadline strategy, set your own internal “soft” deadline a few days before the actual statutory date. Keep clients’ data ready before that. Always double-check for CBIC extensions or announcements.
👉 Want the complete compliance guide & download-ready calendar?
Read full list & checklist here:
Stay on top of October 2025 GST deadlines with the complete calendar for GST compliance.














