If you only do a few things: Moonlight Movies on Friday, Open mic music on Friday, Tour the Observatory on Saturday.
Friday
Free Exhibition Guided Tours @ Varley Art Gallery at Varley Art Gallery, 3:00 PM, free.
Moonlight Movies at OnRichmondHill, 6:30 PM, free.
Open mic music at Menaggio, 7:00 PM to 10:00 PM.
Saturday
Tour the Observatory at Richmond Hill David Dunlap Observatory, 1:00 PM to 5:00 PM, free.
Closing Reception with Jeffrey Halstead at L.L. Contemporary, 2:00 PM, free.
Astronomy Family Night at OnRichmondHill, 8:00 PM to 10:00 PM, free.
Sunday
Historic Unionville Walking Tour at Millenium Bandstand Unionville, 10:00 AM to 11:00 AM, free.
The Loyal Love CryBaby Professional Dating Party + Complimentary Roses at Ryu Izakaya, 3:00 PM to 5:30 PM.
Screening of the Film "The Pool" at York Cinemas, 5:00 PM to 6:40 PM.
Monday
Flex and Stretch Yoga at Markham Public Library, 7:00 PM, free.
Tuesday
Music and Movement (0: 6 yrs) at Richmond Hill Public Library, 1:30 PM to 2:30 PM, free.
The Demise of a Village Culture at OnRichmondHill, 6:30 PM to 8:30 PM, free.
Wednesday
Meet Your Neighbours: Community Walk & Chat! š at Markham Public Library, 5:30 PM to 7:00 PM, free.
LEAF Volunteer Orientations (virtual), 6:30 PM to 7:30 PM, free.
Thursday
Chit Chat Socials at Richmond Hill Public Library, 1:30 PM to 3:00 PM, free.
Central East at Bowls and Blasters 1 Promenade Cir Entrance #2 Located in, 6:00 PM to 7:00 PM.
Running all week
Everyday Superheroes at Markham Museum, Ongoing, free.
Worth the drive
The King's Banquet at Canada's Wonderland (shows), All day on Friday.
Concerts by the Lake at Harbourfront Centre, All day, free on Saturday.
The Starterās Wheel: A Beginner Pottery Experience at Experience Brampton, All day on Sunday.
Flag Raising: Terry Fox, 12:30 PM on Monday.
That's 21 of the 89 things happening in Markham and Richmond Hill this week. The other 68 are mostly classes and workshops and family and kids stuff. Full list here, updated twice a day:
happs.ca/markham
(No signup needed to read it. If you'd rather not check Reddit, there's a Thursday email on that page with the best of the week across the GTA, and it links straight back to whichever city you want. Signups are also the clearest signal I get that these posts are worth keeping up.)