If you are concerned about accuracy why not add a DS3231? Pico could check and update its own clock every minute if need be.
@cwilt started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
If you are concerned about accuracy why not add a DS3231? Pico could check and update its own clock every minute if need be.