# Google Summer of Code Timeline

Are you an interested open source project looking to be a mentoring organization for Google Summer of Code? Or a student or developer looking to participate as a GSoC contributor to gain real world experience coding on important open source projects?

The timeline for Google Summer of Code can shift a bit each year. Below is the current program's timeline and at the bottom of the page you can find the general timing for your next GSoC adventure

## 2026 Timeline

### January 19 - 18:00 UTC

- Mentoring organizations can begin submitting applications to Google

### February 3 - 18:00 UTC

- Mentoring organization application deadline

### February 3 - 18

- Google program administrators review organization applications

### February 19 - 18:00 UTC

- List of accepted mentoring organizations published

### February 19 - March 15

- Potential GSoC contributors discuss application ideas with mentoring organizations

### March 16 - 18:00 UTC

- GSoC contributor application period begins

### March 31 - 18:00 UTC

- GSoC contributor application deadline

### April 21 - 18:00 UTC

- GSoC contributor proposal rankings due from Org Admins

### April 30 - 18:00 UTC

- Accepted GSoC contributor projects announced

### May 1 - 24

- Community Bonding Period \| GSoC contributors get to know mentors, read documentation, get up to speed to begin working on their projects

### May 25

- Coding officially begins!

### July 6 - 18:00 UTC

- Mentors and GSoC contributors can begin submitting midterm evaluations (for standard 12 week coding projects)

### July 10 - 18:00 UTC

- Midterm evaluation deadline (standard coding period)

### July 6 - August 16

- Work Period \| GSoC contributors work on their project with guidance from Mentors

### August 17 - 24 - 18:00 UTC

- Final week: GSoC contributors submit their final work product and their final mentor evaluation (standard coding period)

### August 24 - 31 - 18:00 UTC

- Mentors submit final GSoC contributor evaluations (standard coding period)

### August 24 - November 2

- GSoC contributors with extended timelines continue coding

### November 2 - 18:00 UTC

- Final date for all GSoC contributors to submit their final work product and final evaluation

### November 9 - 18:00 UTC

- Final date for mentors to submit evaluations for GSoC contributor projects with extended deadlines

## General Timing for Google Summer of Code

### January

- Mentoring Organization applications open for OSS projects (*application period is 2 weeks*)

### February

- Mentoring Org Applications close
- Google reviews all Mentoring Org applications (*3 week period*)
- Accepted Mentoring Organizations announced publicly

### March

- Interested applicants reach out to Mentoring Orgs to discuss their project ideas (*4 weeks*)
- Aspiring GSoC contributors apply and submit their project proposals to orgs (*15 day period*)

### April

- GSoC contributor applications close
- Mentors and Org Admins review all contributor applications and rank their selections

### May

- Google Admins review Org requests and resolve duplicative selections
- Accepted GSoC contributors are announced
- Community Bonding period (3 week period for contributors to understand codebase, start integrating into their OSS community, set milestones with mentors, etc.)

### June

- Coding Period Begins (\~75% of projects are 12 weeks; project length can be 8-22 weeks)

### August

- Most contributors finish their projects

### November

- All 22 week projects are completed