Lifespan: Maximum one eon.

Lifespan: Maximum one eon.

Lifespan: Five hundred years.

Lifespan: Two hundred fifty years.

Lifespan: Five hundred years.

Lifespan: One thousand years.

Lifespan: Not fixed: unlimited, eighty thousand, one hundred, or ten years, depending on the eon.

Lifespan: Five hundred years = 9 million human years (one day = 50 human years).

Lifespan: Five hundred years = 1 trillion 620 billion human years (one day = 9 million human years).

Lifespan: One thousand years = 36 million years (one day = 100 human years).

Lifespan: One thousand years = 12 trillion 960 billion human years (one day = 36 million human years).

Lifespan: Two thousand years = 144 million human years (one day = 200 human years).

Lifespan: Two thousand years = 103 billion 680 million human years (one day = 144 million human years).

Lifespan: Four thousand years = 576 million human years (one day = 400 human years).

Lifespan: Four thousand years = 829 trillion 440 billion human years (one day = 576 million human years).

Lifespan: Eight thousand years = 2 billion 304 million human years (one day = 800 human years).

Lifespan: Eight thousand years = 6 quadrillion 635 trillion 520 billion human years (one day = 2 billion 304 million human years).

Lifespan: Sixteen thousand years = 9 billion 216 million human years (one day = 1,600 human years).

Lifespan: Sixteen thousand years = 53 quadrillion 84 trillion 160 billion human years (one day = 9 billion 216 million human years).

Lifespan: Unspecified, exceedingly long timespans. (In relative terms, the lifespan of each subsequent cold hell is prolonged by a factor of twenty, e.g., the lifespan in Bursting Blister Hell is twenty times longer than the lifespan in Blistering Hell).

Lifespan: Half an eon.

Lifespan: One eon.

Lifespan: Half an eon.

Lifespan: Three quarters of an eon (one eon according to the Sanskrit).

Lifespan: One eon (one and a half eons according to the Sanskrit).

Lifespan: Two eons.

Lifespan: Four eons.

Lifespan: Eight eons.

Lifespan: Sixteen eons.

Lifespan: Thirty-two eons.

Lifespan: Sixty-four eons.

Lifespan: One hundred twenty-five eons.

Lifespan: Two hundred fifty eons.

Lifespan: Five hundred eons.

Lifespan: One thousand eons.

Lifespan: One thousand eons (Insentient Beings = five hundred eons according to the Sanskrit).

Lifespan: Two thousand eons.

Lifespan: Four thousand eons.

Lifespan: Eight thousand eons.

Lifespan: Sixteen thousand eons.

Lifespan: Twenty thousand eons.

Lifespan: Forty thousand eons.

Lifespan: Sixty thousand eons.

Lifespan: Eighty thousand eons.