I have just received a mail from team GSOC that there is a change in schedule due to Corona Virus Pandemic. Proof of enrollment policy has also been updated since many institutions are closed currently.
This is what I have received :
Important Upcoming Dates
These dates reflect the shifted schedule.
Now - March 31 18:00 UTC : Students submit their final proposals and proof of enrollment
March 31 - May 4: Mentors review proposals and select students
May 4 : Accepted GSoC 2020 students/projects are announced
May 4 - 31: Community Bonding Period
June 1 : Coding begins
June 29 - July 3 : First evaluation period - mentors evaluate students, students evaluate mentors
July 27 - 31 : Second evaluation period - mentors evaluate students, students evaluate mentors
August 24 -31 : Students wrap up their projects and submit final evaluation of their mentor
August 31 - September 7 : Mentors submit final evaluations of students
September 8 : Students passing GSoC 2020 are announced