Shacharis, followed by Siyum Be'chorim - 6:30 am
Search for Chometz to begin promptly at 8:59 pm
(Brocha is recited followed by "kol chamira")

Shacharis - 6:45 am
Chometz (collected from previous night) should be burned by - 12:10 pm
(kol chamira is NOT recited, but rather postponed until Shabbos)
All Pesach preparations must be completed by Candle lighting - 7:59 pm
Mincha, followed by Kabbolas Shabbos & Ma'ariv - 8:00 pm

Shabbos Ha'Gadol Erev Pesach
Shacharis - 7:00 am
Latest time for eating Chometz - 10:50 am
All Chometz remaining must be disposed of by - 12:10 pm (kol chamira is then recited)
Mincha, followed by reading of Haggadah & Shabbos Ha'Gadol D'rosha, part II-7:40 pm
Ma'ariv - 8:40 pm
Candle lighting, Kiddush, no preparation before - 9:01 pm
Chatzos Ha'Lailah "midnight" - 1:30 am -- Afikomen must be eaten before this time

(* For further explanation, please refer to the Special Guide When Erev Pesach Falls on Shabbos link)

Shacharis - 9:20 am
Mincha, followed by learning - 8:00 pm
Ma'ariv, counting of the Omer begins - 8:40 pm
Candle lighting, Kiddush, no preparation before - 9:03 pm
Chatzos Ha'Lailah "midnight" - 1:30 am -- Afikomen must be eaten before this time

Shacharis - 9:20 am
Mincha, followed by learning - 8:00 pm
Ma'ariv, followed by partial Havdalah - 9:04 pm

Shacharis - 6:30 am
Mincha, followed by Ma'ariv - 8:10 pm

Shacharis - 6:30 am
Candle lighting - 8:07 pm
Mincha, followed by abridged Kabbolas Shabbos & Ma'ariv - 8:10 pm

Shacharis - 9:00 am
Shir Hashirim - 10:15 am
Shalosh Se'udos must be eaten at home before Mincha
Mincha followed by learning - 8:00 pm
Ma'ariv - 8:50 pm
Candle lighting, no preparation before - 9:09 pm

Shacharis - 9:00 am
Yizkor - 10:45 am
Mincha, followed by learning - 8:10 pm
Ma'ariv & termination of Yom Tov - 9:11 pm
Chometz re-purchased - 10:00 pm