APEE at DCA is Tuesday, Thursday, Saturday, Sunday and at DL Monday, Wednesday, Friday.
EMH (for those staying at a Disney Hotel) at DCA is Monday, Wednesday & Friday and at DL on Tuesday, Thursday, Saturday, Sunday.
If you are part of a split group, if you are staying at a Disney Hotel use EMH. < - - - ACDSNY since you are staying at a Disney Hotel use EMH
If you are not staying at a Disney Hotel then you can either split up with the AP doing APEE. And those without joining them after park opening. Or just skip it all together.
Please note that to use a APEE one must sign up at least 3 days in advance and can only attend 1 EE at DCA & 1 EE at DL during this promotion.