(The Bad Batch are returning to Kamino…)

Wrecker: It’s good to be home. How long has it been?

Tech: One hundred and eighty rotations in a standard cycle, but galactic zone changes put the adjusted figure at around 205.

Wrecker: What?

Echo (sighs): A long time.

From Star Wars: The Bad Batch: Season 1 Episode 1: ‘Aftermath’ (1×01) | Produced by Lucasfilm (Disney+)

Quote meaning

If you ever confused by the time in Star Wars universe, here you have it… It’s confusing… Can you imagine the conversions?

A long time ago in a galaxy far, far away…