Emphasize the value of a consistent daily routine when using 'keep regular hours.'

Routine Importance

'Keep regular hours' often suggests a disciplined, reliable professional life or work ethic.

Professional Context

'Keep late hours' highlights activities done at nighttime, maybe due to work or social life.

Using 'keep late hours' can hint at a bustling social life or a night-oriented job.

Describe a schedule outside the mainstream workday to imply flexibility or creativity.

Can imply a disorganized lifestyle or a challenging circumstance requiring odd timings.

Suggests how others may view a person's unconventional schedule with 'keep unsociable hours.'