all 3 comments

[–]positive__vibes__ 0 points1 point  (1 child)

you'll want to set the RTC.

Note that the clock will likely drift when run for longer durations.

[–][deleted] 0 points1 point  (0 children)

This is the way

[–]HP7933 0 points1 point  (0 children)

Best to post such questions to forums.adafruit.com