Things to do in New York City tomorrow

Shabbat Vayera: Sabbath services and classes.

Friday After Dark: rooftop Halloween party with a DJ.

The Last Friday: dark Halloween-eve party in Astoria.

Piano Karaoke with Stefan Kukurugya: you sing, he plays.

The Little Houston of Whore-ers: dare to show up.

Halloween masquerade with black-tie glamour and drinks.

Halloween costume party at the Landmark Tavern.

Karaoke: grab the mic at this Brooklyn bar night.

Tamasha Bhoots: Bollywood Halloween costume party.

Mother Midnight: Halloween party with Sasha Colby.

Monster Confessions: Madonna and Gaga party with AJA.

Piano karaoke, you call the tunes.

Hot Girls Organize: Gay Halloween, costume contest party.

Lezzie McGuire: Halloween party with DJ Hope 808 and shows.

Winard Harper & Jeli Posse: late-night jazz with Ted Chubb.

Fort90 TV: a live Halloween-eve stream on Twitch.

DJ NO SHAME: late-night DJ set at Nublu until 4am.

Ken Fowser Quintet: hard bop live, then an open jam.

Round Midnight with John DiMartino: solo jazz piano.

Torah Study: group reading of the weekly portion.

Fajr Prayer: the early morning prayer at the mosque.

Shabbat morning service at Congregation Emanu-El.

Hashkamah Minyan: egalitarian early Shabbat morning service.

Vietnamese Mass: Catholic service in Vietnamese.

Acts of Kindness Day: a day of kindness for all.

Eucharistic Adoration: quiet prayer before the sacrament.

Ice Skating: free rink at Winter Village, Bryant Park.

Zen meditation for beginners and all.

It's My Park: volunteer cleanup at Westerleigh Park.

Singin' Swingin' Shabbat: songs and play for ages 0–4.

Praying with Song & Sound: musical prayer with Jackie Perez.

Spirits After Dark: Halloween costume party with cocktails.

Parashat HaShavua: weekly Torah study of the week's portion.

Perfect Bar Celebrates Harryween: free snacks pop-up.

Shabbat morning prayer service, joinable online.

Shabbat Morning Service: two-hour morning prayer.

ReSoul Shabbat service with music, contemplation, community.

Shabbat morning services with Kiddush to follow.

Catholic Mass at Resurrection Cemetery chapel.

Saturday Potluck Brunch: share a meal after mass.