TTL

Like TTL this command returns the remaining time to live of a key that has an expire set, with the sole difference that TTL returns the amount of remaining time in seconds while PTTL returns it in milliseconds.

Syntax

TTL key

Return

Integer reply: TTL in seconds, or a negative value in order to signal an error.

• The command returns -2 if the key does not exist.

• The command returns -1 if the key exists but has no associated expire.