on:
  schedule:
    - cron: bad
    - cron: '61 * * * *'
    - cron: '*/0 * * * *'
    - cron: '0 0 * * 7'
    - cron: '0 0 * jan-mar mon'
    - cron: '0 0 * mar-jan mon'
    - cron: '* * * * * *'
    - cron: '1-5/2 * * * *'
    - cron: '*/5 */2 1,15 * *'
    - cron: '5 4 * * sun'
    - cron: '0  0 * * *'
    - cron: ' 0 0 * * *'
    - cron: '1,,2 * * * *'
    - cron: '*/5/2 * * * *'
    - cron: '1-2-3 * * * *'
    - cron: '*-5 * * * *'
    - cron: '5-1 * * * *'
    - cron: '0 0 1-31/2 * *'
    - cron: '0 0 * * MON'
    - cron: '0 0 * Feb *'
jobs:
  a:
    runs-on: x
    steps: [{run: a}]