Shabbat (and not a festival)

בָּרוּךְ אַתָּה יְיָ אֱלֹהֵינוּ מֶלֶךְ הָעוֹלָם אֲשֶׁר קִדְּשָׁנוּ בְּמִצְוֹתָיו וְצִוָנוּ לְהַדְלִיק נֵר שֶׁל שַׁבָּת׃
Listen Baruch atah Adonai Eloheinu melech ha–olam asher kiddishanu b’mitzvotav v’tzivanu l'hadlik ner shel shabbat.
Blessed are you Lord our G–D, ruler of the universe, who has sanctified us with your commandments and commanded us to kindle the light of Shabbat.

Yom Kippur (and not Shabbat)

בָּרוּךְ אַתָּה יְיָ אֱלֹהֵינוּ מֶלֶךְ הָעוֹלָם אֲשֶׁר קִדְּשָׁנוּ בְּמִצְוֹתָיו וְצִוָנוּ לְהַדְלִיק נֵר שֶׁל יוֹם הַכִּפּוּרִים׃
Listen Baruch atah Adonai Eloheinu melech ha–olam asher kiddishanu b’mitzvotav v’tzivanu l'hadlik ner shel yom hakippurim.
Blessed are you Lord our G–D, ruler of the universe, who has sanctified us with your commandments and commanded us to kindle the light of Yom Kippur.
Add shehechiyanu below.

Yom Kippur and Shabbat

בָּרוּךְ אַתָּה יְיָ אֱלֹהֵינוּ מֶלֶךְ הָעוֹלָם אֲשֶׁר קִדְּשָׁנוּ בְּמִצְוֹתָיו וְצִוָנוּ לְהַדְלִיק נֵר שֶׁל שַׁבָּת וְשֶׁל יוֹם הַכִּפּוּרִים׃
Listen Baruch atah Adonai Eloheinu melech ha–olam asher kiddishanu b’mitzvotav v’tzivanu l'hadlik ner shel shabbat v'shel yom hakippurim.
Blessed are you Lord our G–D, ruler of the universe, who has sanctified us with your commandments and commanded us to kindle the light of Shabbat and Yom Kippur.
Add shehechiyanu below.

Festival (and not Shabbat)

Rosh Hashanah both nights, Sukkot first 2 nights, Shemini Atzeret, Simchat Torah, Pesach (Passover) first 2 and last 2 nights, Shavuot both nights:
בָּרוּךְ אַתָּה יְיָ אֱלֹהֵינוּ מֶלֶךְ הָעוֹלָם אֲשֶׁר קִדְּשָׁנוּ בְּמִצְוֹתָיו וְצִוָנוּ לְהַדְלִיק נֵר שֶׁל יוֹם טוֹב׃
Listen Baruch atah Adonai Eloheinu melech ha–olam asher kiddishanu b’mitzvotav v’tzivanu l'hadlik ner shel yom tov.
Blessed are you Lord our G–D, ruler of the universe, who has sanctified us with your commandments and commanded us to kindle the light of the Festival.
Add shehechiyanu below, except on the last 2 days of Pesach.

Festival and Shabbat

Rosh Hashanah both nights, Sukkot first 2 nights, Shemini Atzeret, Simchat Torah, Pesach (Passover) first 2 and last 2 nights, Shavuot both nights:
בָּרוּךְ אַתָּה יְיָ אֱלֹהֵינוּ מֶלֶךְ הָעוֹלָם אֲשֶׁר קִדְּשָׁנוּ בְּמִצְוֹתָיו וְצִוָנוּ לְהַדְלִיק נֵר שֶׁל שַׁבָּת וְשֶׁל יוֹם טוֹב׃
Listen Baruch atah Adonai Eloheinu melech ha–olam asher kiddishanu b’mitzvotav v’tzivanu l'hadlik ner shel shabbat v'shel yom tov.
Blessed are you Lord our G–D, ruler of the universe, who has sanctified us with your commandments and commanded us to kindle the light of Shabbat and the Festival.
Add shehechiyanu below, except on the last 2 days of Pesach.

Shehechiyanu (Yom Kippur and all Festivals except the last 2 days of Pesach)

בָּרוּךְ אַתָּה יְיָ אֱלֹהֵינוּ מֶלֶךְ הָעוֹלָם שֶׁהֶחֱיָנוּ וְקִיְמָנוּ וְהִגִּיעָנוּ לַזְמַן הַזֶּה׃
Listen Baruch atah Adonai Eloheinu melech ha–olam shehechiyanu v'kiyimanu v'higiyanu laz'man hazeh.
Blessed are you Lord our G–D, ruler of the universe, who has kept us alive, sustained us, and brought us to this season.