Possible Clues:

• Tiny adjustment to an atomic clock
• Tiny tweak to an atomic clock
• Bit of extra time
• Tiny adjustment occasionally added to Coordinated Universal Time
• Coordinated Universal Time adjustment
• Tiny adjustment to Coordinated Universal Time
• Tiny change to a master clock
• An extra moment in pole dances -- fantastic!
• Clock change in spring getting support
• Tiny time adjustment