Moonlight Mania:

24 hours of spooky fun!

Start: 1 October at 15:00 CET
End: 2 October at 15:00 CET.

NOTE: The pumpkin to activate night mode is now found in the event timer popout menu.

Don't forget that you can unlock the bat breeding during the Event. You can find the icon for bat breeding in the bottom-right corner of Jack's Shop

See the requirements here: {FAQ} Moonlight mania and {FAQ} Bat Breeding

Also don't forget: Jack's shop is the place to get spider pens and bat roosts.