GitHub Actions can be used to do something whenever something happens in one of your GitHub repositories. If you are not familiar with GitHub Actions, check out my article Getting Started with GitHub Actions.

Here is a trivial example of how you could run one of your GitHub Actions workflows on a cron schedule. It is important to recognize that on.schedule.cron is in UTC and cannot be adjusted to some other time zone.

name: my workflow
run-name: ${{ github.workflow }} run by ${{ github.actor }}
on:
  schedule:
    - cron: '*/15 * * * *'  # Once every 15 minutes
jobs:
  my-job:
    runs-on: [ubuntu-latest]
    steps:
      - name: echo Hello World
        run: echo "Hello World"