Related Clues:
- Timelessness
- Long time span
- Long time, geologically
- It may be after lunch
- Long geological stretch
- A billion years, to Hubble
- Infinite time
- 'A moment is a concentrated ___': Emerson
- Dog's age
- Eternity, seemingly
- Long period of time
- A month of Sundays
- Prolonged period
- L-o-n-g stretch of time
- Looooong time