You are working on the Election-Tech-Initiative/electionguard-python repository. The source code is checked…

You are working on the Election-Tech-Initiative/electionguard-python repository. The source code is checked…: a task in SWE-Lego-RL-2699 (Harbor dataset). To address this, we've decided to switch to using the unix epoch (seconds since January 1, 1970 UTC). It's unambiguous and very common.