settings sleep (settings night_time)

settings night_time ADMIN
Aliases: night sleep sleeping_ducks

Set the night time. Only some exclusive ducks spawn during the night.

Times are specified in UTC. The bot does *not* honor daylight savings time (DST). You might need to edit this setting twice a year if you care about DST

Invoke with:
dh!settings night_time [night_start] [night_end]