Related Clues:

• See 31-Down
• Commitment
• Calendar square
• Period of time
• Journal unit
• 'I'll never do it again,' e.g.
• See 25-Across
• See 6-Down
• When it's light
• Take an oath
• Time piece?
• See 39-Across
• New Year's ___
• See 35-Down
• Time period