Boston Celtics 2021-22 NBA Regular Season is scheduled to start with a game against the New York Knicks Tuesday, October 19, 2021, at Madison Square Garden, New York, NY, and end with a game against the Memphis Grizzlies Sunday, April 10, 2022, at FedExForum, Memphis, TN.
Here is the Celtics game schedule, start time, date, location, TV channel you need to know.
| Opponent | Time (ET) | Date | Venue | TV |
| Knicks | 7:30 pm | Wed. Oct 20 | Madison Square Garden | ESPN |
| Raptors | 7:30 pm | Fri. Oct 22 | TD Garden | NBC Sports Boston |
| Rockets | 7:00 pm | Sun. Oct 24 | Toyota Center | NBC Sports Boston |
| Hornets | 7:00 pm | Mon. Oct 25 | Spectrum Center | NBA TV |
| Wizards | 7:30 pm | Wed. Oct 27 | TD Garden | NBC Sports Boston |
| Wizards | 5:00 pm | Sat. Oct 30 | Capital One Arena | NBC Sports Boston |
| Bulls | 7:30 PM | Mon. Nov 1 | TD Garden | NBC Sports Boston |
| Magic | 7:00 PM | Wed. Nov 3 | Amway Center | NBC Sports Boston |
| Heat | 7:30 PM | Thur. Nov 4 | FTX Arena | NBC Sports Boston |
| Mavericks | 8:30 PM | Sat. Nov 6 | American Airlines Center | NBA TV |
| Raptors | 7:30 PM | Wed. Nov 10 | TD Garden | NBC Sports Boston |
| Bucks | 7:30 PM | Fri. Nov 12 | TD Garden | ESPN |
| Cavaliers | 7:30 PM | Sat. Nov 13 | Rocket Mortgage Fieldhouse | NBA TV |
| Cavaliers | 7:00 PM | Mon. Nov 15 | Rocket Mortgage Fieldhouse | NBC Sports Boston |