If i remember correctly i saw another GHQ for stage 3 at wednesday or thursday. They will most likely keep adding more of them as stages are unlocked. Perhaps the list will be scrollable later to accomodate for the amount of stages :P

GHQ

Monday Stage 1 first half.
Tuesday Stage 1 2nd half.
Wedensday Stage 2 first half.
Thirsday stage 2 2nd half.
Friday stage 3 fiste half.
Saturday stage 3 2nd half and Stage 1 first half.
Sunday stage 1 2nd half.