Job setup for every month end

I have 2 jobs, need to be execute on every month last day with below date setup.

Job 1 : 3 sessions
Generate plan – 1st Jun 2020 to 31st Jul 2020
Update service center - – 1st Jun 2020 to 31st Jul 2020
Release planned activities - – 1st Jun 2020 to 30th Jun 2020

Job 2 : 1 session
Process planned Activities – 1st Jun 2020 to 30th Jun2020

While we open session from job at month end date, date fields automatically set as attached screen shot.

like 1st Jun 2020 to 1st Jul 2020.

please let me know, if i can set date like above.

Attached Images

job_session_picture.png (18.7 KB)