Family Volunteer Day (often includes local cleanups)
2025-11-22

National Clean Off Your Desk Day (2nd Monday in January)
2026-01-12

National Clean Out Your Computer Day (2nd Monday in February)
2026-02-09 08:00 - 17:00 (America/Denver)

Great American Cleanup (many locales kick off in March)
2026-03-01 - 2026-05-31

National Organize Your Home Office Day (2nd Tuesday in March)
2026-03-10

Global Recycling Day
2026-03-18
