Related Clues:

• Quite a stretch
• Eternities
• Fortnight's 14
• Lotsa time
• Oodles of time
• Incredibly long time
• Extremely long time
• Long periods
• Prisoner's tally on a cell wall
• The 366 of 2000
• They last for hours
• Diurnal periods
• (K) There are seven in a week
• Father's and Mother's
• A looooong time