You have seconds.

You are getting seconds per second.

Cost: seconds

You have minutes, and time accelerators.

Cost: minutes

You have hours, and clock factories.

Cost: hours

You have days, and calendar flippers.

Cost: days

Cost: 7 Days

Cost: days
You have weeks.
, Year
You have years, and time machines.
Cost: 10 Years

Cost: years. You currently have .

You have decades, and decade builds.

Cost: decades.

You have centuries, and century builds.

Cost: centuries.

You have millenia, and millenium builds.

Cost: millenia.