With CircleCI 2.0 you can schedule jobs and workflows. This is similar to a cron job that sets the time (hour day week) when your job will repeat or run automatically.
Scheduling vanilla 2.0:
Scheduling 2.0 workflows:
NOTE: All times must be scheduled in UTC. Other timezone formats are not supported.
NOTE: Scheduling only supports POSIX crontab syntax. You can read about supported syntax characters on their page here.