Ok, just solved it:
Changes:
Green group:
RAWR - Turban squad - Thugs of the sea.

To play on: Sunday 00:00hs - 02:00hs GMT

Purple group:
Andreys&co - German Metal Suckers - Omega.

To play on: Wednestay 16:00hs - 18:00hs GMT.

(editing charts asap)