Hackathons in Kolkata
A tight-knit, growing developer scene. Updated daily with live RSVP counts.
Upcoming
Sorted by date · all times IST
Wed, 16 Sep · 12:00 AM IST
DEVHACK 2026
India
Thu, 17 Sep · 11:59 PM IST
Vivekananda Innovation Hackathon 2026
Online
Sun, 20 Sep · 11:00 AM IST
G2 AI Engineering Hackathon
Online
Sun, 20 Sep · 11:59 PM IST
Agentic AI Hackathon
Online
Fri, 25 Sep · 11:59 PM IST
CodeClash 1.0
Online
Sat, 26 Sep · 4:00 PM IST
ACM Marketsphere 2026
Online
Sun, 27 Sep · 11:59 PM IST
Data Analytics Hackathon
Online
Mon, 28 Sep · 12:00 AM IST
WebRush — 6-Hour Frontend Hackathon
Online
Tue, 29 Sep · 10:40 PM IST
TechRoom Innovation Challenge
Online
Wed, 30 Sep · 11:59 PM IST
Portfolio in Pixels 2026
Online
Thu, 1 Oct · 9:00 PM IST
Aether HackConquest Hackathon
Online
Fri, 2 Oct · 2:00 PM IST
HackSpire'26
Kolkata
Mon, 5 Oct · 4:00 PM IST
WCC Launchpad 30
Online
Tue, 6 Oct · 12:00 AM IST
36-Hour Hackathon
Online
Wed, 7 Oct · 11:56 PM IST
INNOVA X 2K26 Global Online Hackathon
Online
Sat, 10 Oct · 12:30 PM IST
HackInverse 1.0
Kolkata
Sat, 10 Oct · 11:45 PM IST
HackNowa Global Hackathon 2026
Online
Tue, 13 Oct · 11:59 PM IST
Hack Era 1.0
Online
Fri, 16 Oct · 5:00 PM IST
Ideathon
Online
Sat, 17 Oct · 8:00 PM IST
36-Hour Hackathon
Online
Sat, 17 Oct · 10:29 PM IST
Signalpost: Build An Agent That Finds Company Information
Online
Sat, 24 Oct · 12:00 AM IST
Hefty-Hacks
Online
Sun, 25 Oct · 11:01 AM IST
Built With Talent S1 | Hiring Hackathon
Online
Wed, 28 Oct · 10:00 AM IST
HACKER HOUSE GOA 2026
Goa
Sun, 1 Nov · 2:00 PM IST
SecLeaf Q4 CTF 2026
Online
Answers
Hackathons in Kolkata, in one paragraph
In the next 7 days, Kolkata has 25 hackathons listed on Jamao: DEVHACK 2026 (Wed 16 Sep, 12:00 AM IST, Kolkata), Vivekananda Innovation Hackathon 2026 (Thu 17 Sep, 11:59 PM IST, online) and G2 AI Engineering Hackathon (Sun 20 Sep, 11:00 AM IST, online) and 22 more.
- 1
- 2Vivekananda Innovation Hackathon 2026
Thu 17 Sep, 11:59 PM IST · Online
RSVP on organizer site · Jamao Curator
- 3
- 4
- 5
- 6
- 7
- 8WebRush — 6-Hour Frontend Hackathon
Mon 28 Sep, 12:00 AM IST · Online
RSVP on organizer site · Jamao Curator
- 9TechRoom Innovation Challenge
Tue 29 Sep, 10:40 PM IST · Online
RSVP on organizer site · Jamao Curator
- 10
Frequently asked
- When are most hackathons in Kolkata?
- Of the 25 upcoming hackathons listed in Kolkata for the next 60 days, Saturday is the busiest day with 6 events, and 52% start at or after 5 PM IST. The most active area is India (3). 21 are online.
- Are hackathons in Kolkata free?
- 0 of the 25 upcoming hackathons in Kolkata (0%) are free to attend.
- How do I get into a hackathon in Kolkata?
- Open the event page on Jamao, tap Register and you get a QR ticket by email (and WhatsApp if you opt in); show it at the door. 25 listings link out to the organizer's own RSVP page.
- How do I list my event in Kolkata?
- Create it free at jamao.in/create (about two minutes: title, time, venue, tickets), or import an existing Luma, Meetup or Google Calendar feed at jamao.in/dashboard/import. Published hackathons in Kolkata appear on this page, in the Kolkata RSS feed and calendar subscription, and in the Thursday digest. Free events cost nothing to list.
Figures are computed from published listings in Kolkata for the next 60 days and refresh with the page. All times IST.
Tech events in Kolkata, every Thursday
One email a week with the weekend's meetups, workshops and demo nights. Optional WhatsApp channel. Unsubscribe any time.