If you go by the wtf-ness of the comments on a tz, Asia/Riyadh has gotta be up there. But contemporarily it behaves as `<+03>-3`, which is vanilla.

agreed. From pytz's docs: "the intention was to set sunset to 0:00 local time, the start of the Islamic day. In the best case caused the DST offset to change daily and worst case caused the DST offset to change each instant depending on how you interpreted the ruling"