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: 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.