be as regular as clockwork

be as regular as clockwork

To happen at predictable intervals. My daughter starts crying every night at bedtime—it's as regular as clockwork.
See also: clockwork, regular
Farlex Dictionary of Idioms.
See also:
  • at regular intervals
  • on a regular basis
  • on the regular
  • regular
  • regular as clockwork
  • clockwork
  • (as) regular as clockwork
  • regular guy
  • regular brick
  • regular fellow