5 Things You Need to Know Today: Day and Night Subway Changes, Macbeth Opens, Trivia at Sepia and More

You need theater. BAM's , by the award-winning Cheek by Jowl theater company, opens tonight! Since most BAM's theater sells out, get the tickets while you can. , 651 Fulton Street. 7:30 p.m. $25-50.

2. You need to have fun. Head to for . 234 Underhill Avenue between Lincoln and Eastern Parkway. 9 p.m. No cover.

3. You need to get the kids out of the house. Head to the Central Library for   for kids 0 to 18 months.  Youth Wing, 10 a.m., 10:30 a.m. and 11 a.m., Free. Or see our this week. 

4. You need to laugh about your divorce. Nobody can understand what it's like to go through a divorce unless they've done it. Here's your chance to meet up with others who have and have a few laughs at the Huffington Post's . Writers and comedians Jill Brooke, Joel Dovev, Ruth Andrew Ellenson, Isabel Gillies, Joe Gressis, Stacy Morrison,  Rahna Reiko Rizzuto, Brooke Van Poppelen, Kamy Wicoff will share their own brief divorce stories and guests will have a chance to share theirs among themselves. 7 p.m. to 10 p.m. Macao Trading Co., 311 Church St. (between Walker St. & Lispenard St.), Manhattan. The event is full but you can get on the waitlist by e-mailing divorce@huffingtonpost.com.

5. You need to know if your train is running, and if you have to move your car. Today through Thursday from 10:30 a.m. to 3 p.m. there are no 4 or 5 trains in the neighborhood (no 4 bet. Atlantic and Utica and no 5 between Bowling Green and Flatbush). Take the 2 or 3 instead. In addition, between midnight and 5 a.m. weekdays through April 15, the Q train is going to drop you at the N platform at Pacific, make you walk to the Q platform at Atlantic, then have you wait up to 30 minutes to catch the connecting train, according to the MTA. Plus, there's no suspension of alternate side until Passover on April 19 and 20, according to NYC DOT.